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  <xs:element id="lunr_StockPurchaseAgreementAmountPrepaidForRepurchaseObligation" abstract="false" name="StockPurchaseAgreementAmountPrepaidForRepurchaseObligation" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_IntuitiveMachinesLLCPriorInvestorsMember" abstract="true" name="IntuitiveMachinesLLCPriorInvestorsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementGainLossOnAgreementSettlement" abstract="false" name="StockPurchaseAgreementGainLossOnAgreementSettlement" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ContingentConsiderationLiabilityMember" abstract="true" name="ContingentConsiderationLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_IfTriggeringEventIIBOccursAndTriggeringEventIDoesNotMember" abstract="true" name="IfTriggeringEventIIBOccursAndTriggeringEventIDoesNotMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ContractWithCustomerLiabilityContractLossProvisionCurrent" abstract="false" name="ContractWithCustomerLiabilityContractLossProvisionCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ConstructionCostsForLunarOperationsCenterMember" abstract="true" name="ConstructionCostsForLunarOperationsCenterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_AdjustmentsToAdditionalPaidInCapitalEstablishmentOfEarnOutLiabilities" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalEstablishmentOfEarnOutLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_EarnOutUnitsAmountVestedIfMilestoneAchieved" abstract="false" name="EarnOutUnitsAmountVestedIfMilestoneAchieved" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_IPAXSponsorMember" abstract="true" name="IPAXSponsorMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ContractWithCustomerLiabilityDeferredRevenueCurrent" abstract="false" name="ContractWithCustomerLiabilityDeferredRevenueCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightPeriodBeforeWarrantsMayBeExercised" abstract="false" name="ClassOfWarrantOrRightPeriodBeforeWarrantsMayBeExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_CustomerThreeMember" abstract="true" name="CustomerThreeMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_RecapitalizationShares" abstract="false" name="RecapitalizationShares" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_NumberOfSAFEAgreements" abstract="false" name="NumberOfSAFEAgreements" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_NumberOfFinanceLeases" abstract="false" name="NumberOfFinanceLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_MeasurementInputProbabilityOfContractBeingAwardedMember" abstract="true" name="MeasurementInputProbabilityOfContractBeingAwardedMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_NetIncomeLossAttributableToParentPostBusinessCombination" abstract="false" name="NetIncomeLossAttributableToParentPostBusinessCombination" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_LesseeGroundLeaseTermOfRenewalPeriod" abstract="false" name="LesseeGroundLeaseTermOfRenewalPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_AfterYearFivePostClosingMember" abstract="true" name="AfterYearFivePostClosingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lunr_ConversionOfSimpleAgreementsForFutureEquityIntoCommonStock" abstract="false" name="ConversionOfSimpleAgreementsForFutureEquityIntoCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_PreferredInvestorWarrantsMember" abstract="true" name="PreferredInvestorWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_PenumbraLLCMember" abstract="true" name="PenumbraLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_LongTermContractPercentComplete" abstract="false" name="LongTermContractPercentComplete" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightClosingPriceRequiredToRedeemWarrants" abstract="false" name="ClassOfWarrantOrRightClosingPriceRequiredToRedeemWarrants" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:perShareItemType"/>
  <xs:element id="lunr_ContractLiabilitiesCurrentAbstract" abstract="true" name="ContractLiabilitiesCurrentAbstract" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="lunr_StockIssuedDuringPeriodSharesConversionOfSAFEAgreement" abstract="false" name="StockIssuedDuringPeriodSharesConversionOfSAFEAgreement" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_KBRIncMember" abstract="true" name="KBRIncMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_CommonStockVotingRightsNumberOfVotesPerShare" abstract="false" name="CommonStockVotingRightsNumberOfVotesPerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_IfTriggeringEventsIAndIIAOccurMember" abstract="true" name="IfTriggeringEventsIAndIIAOccurMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_SupplierOneMember" abstract="true" name="SupplierOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_NumberOfYearsAfterClosingDate" abstract="false" name="NumberOfYearsAfterClosingDate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_NumberOfRealEstateLeases" abstract="false" name="NumberOfRealEstateLeases" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_MeasurementInputVolatilityMember" abstract="true" name="MeasurementInputVolatilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MeasurementInputExpectedTermLiquidityEventMember" abstract="true" name="MeasurementInputExpectedTermLiquidityEventMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_WorkingCapitalSurplusDeficit" abstract="false" name="WorkingCapitalSurplusDeficit" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementSharesIssued" abstract="false" name="StockPurchaseAgreementSharesIssued" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_ContractWithCustomerLiabilityContractLossProvisionNoncurrent" abstract="false" name="ContractWithCustomerLiabilityContractLossProvisionNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_SAFEAgreementLiabilityMeasurementInput" abstract="false" name="SAFEAgreementLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:decimalItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementCashReturnedToCompanyUponTermination" abstract="false" name="StockPurchaseAgreementCashReturnedToCompanyUponTermination" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_OmnibusIncentive2023PlanMember" abstract="true" name="OmnibusIncentive2023PlanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ProceedsFromAcquisitionOfBusiness" abstract="false" name="ProceedsFromAcquisitionOfBusiness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_MeasurementInputProbabilityOfEquityFinancingMember" abstract="true" name="MeasurementInputProbabilityOfEquityFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_IfTriggeringEventIIIOccursAndTriggeringEventsIIAAndIIBDoNotMember" abstract="true" name="IfTriggeringEventIIIOccursAndTriggeringEventsIIAAndIIBDoNotMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MembersUnitsMember" abstract="true" name="MembersUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ReimbursableLeaseholdImprovementCostsMember" abstract="true" name="ReimbursableLeaseholdImprovementCostsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_CommonUnitsMember" abstract="true" name="CommonUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MilestoneDomain" abstract="true" name="MilestoneDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_FabricationOfCommercialCommunicationsSatelliteMember" abstract="true" name="FabricationOfCommercialCommunicationsSatelliteMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_IfTriggeringEventIOccursMember" abstract="true" name="IfTriggeringEventIOccursMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_LunarOperationsCenterMember" abstract="true" name="LunarOperationsCenterMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ProceedsFromSAFEAgreements" abstract="false" name="ProceedsFromSAFEAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_BusinessCombinationExchangeRatio" abstract="false" name="BusinessCombinationExchangeRatio" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_TriggeringEventIIBMember" abstract="true" name="TriggeringEventIIBMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_SAFEAgreementLiabilityMember" abstract="true" name="SAFEAgreementLiabilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_PrepaymentsAndOtherCurrentAssetsPolicyTextBlock" abstract="false" name="PrepaymentsAndOtherCurrentAssetsPolicyTextBlock" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:textBlockItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementSharesToBeRepurchased" abstract="false" name="StockPurchaseAgreementSharesToBeRepurchased" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_MeasurementInputDividendYieldMember" abstract="true" name="MeasurementInputDividendYieldMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightPeriodBeforeWarrantsBecomeExercisable" abstract="false" name="ClassOfWarrantOrRightPeriodBeforeWarrantsBecomeExercisable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_EarnoutUnitsMember" abstract="true" name="EarnoutUnitsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_XEnergyLLCMember" abstract="true" name="XEnergyLLCMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementValueSharesAuthorized" abstract="false" name="StockPurchaseAgreementValueSharesAuthorized" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" abstract="false" name="LesseeOperatingLeaseLiabilityToBePaidAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassifiedToEquity" abstract="false" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityReclassifiedToEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_MeasurementInputExpectedTermEquityFinancingMember" abstract="true" name="MeasurementInputExpectedTermEquityFinancingMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MembersUnitsSharesOutstanding" abstract="false" name="MembersUnitsSharesOutstanding" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_StockPurchaseAgreementSharesSharesAuthorized" abstract="false" name="StockPurchaseAgreementSharesSharesAuthorized" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_ProceedsFromBusinessCombination" abstract="false" name="ProceedsFromBusinessCombination" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_PreferredStockConvertibleConversionPricePercentage" abstract="false" name="PreferredStockConvertibleConversionPricePercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lunr_AdjustmentsToAdditionalPaidInCapitalRecapitalizationAdjustment" abstract="false" name="AdjustmentsToAdditionalPaidInCapitalRecapitalizationAdjustment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightNumberOfBusinessDaysNoticePriorToNoticeBeingSent" abstract="false" name="ClassOfWarrantOrRightNumberOfBusinessDaysNoticePriorToNoticeBeingSent" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_NoncontrollingInterestIncreaseFromEstablishment" abstract="false" name="NoncontrollingInterestIncreaseFromEstablishment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_AccountsPayableBenchmarkMember" abstract="true" name="AccountsPayableBenchmarkMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_SeriesAPreferredWarrantsMember" abstract="true" name="SeriesAPreferredWarrantsMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ContractsVariableConsiderationConstrainedAmount" abstract="false" name="ContractsVariableConsiderationConstrainedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ContractWithCustomerAssetUnbilledReceivable" abstract="false" name="ContractWithCustomerAssetUnbilledReceivable" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ProceedsFromIssuanceOfCommonUnits" abstract="false" name="ProceedsFromIssuanceOfCommonUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_TaxReceivableAgreementEligibilityMinimumPercentOfCommonUnitsExchanged" abstract="false" name="TaxReceivableAgreementEligibilityMinimumPercentOfCommonUnitsExchanged" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types1:percentItemType"/>
  <xs:element id="lunr_ComputersAndSoftwareMember" abstract="true" name="ComputersAndSoftwareMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_NumberOfCounterparties" abstract="false" name="NumberOfCounterparties" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_CustomerFiveMember" abstract="true" name="CustomerFiveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="lunr_SNSMember" abstract="true" name="SNSMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_IXLLCJVMember" abstract="true" name="IXLLCJVMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MeasurementInputExpectedTermDissolutionEventMember" abstract="true" name="MeasurementInputExpectedTermDissolutionEventMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_NoncontrollingInterestRemeasurement" abstract="false" name="NoncontrollingInterestRemeasurement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_StockIssuedDuringPeriodSharesWarrantsExercised" abstract="false" name="StockIssuedDuringPeriodSharesWarrantsExercised" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_ContractWithCustomerLiabilityAccruedLaunchCostsCurrent" abstract="false" name="ContractWithCustomerLiabilityAccruedLaunchCostsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_NoncontrollingInterestTemporaryEquityRemeasurement" abstract="false" name="NoncontrollingInterestTemporaryEquityRemeasurement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_CantorStockPurchaseAgreementMember" abstract="true" name="CantorStockPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_MeasurementInputProbabilityOfDissolutionEventMember" abstract="true" name="MeasurementInputProbabilityOfDissolutionEventMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightPeriodBeforeWarrantsCanBeTransferredOrSold" abstract="false" name="ClassOfWarrantOrRightPeriodBeforeWarrantsCanBeTransferredOrSold" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_PrepaidExpenseCapitalizedBusinessAcquisitionCosts" abstract="false" name="PrepaidExpenseCapitalizedBusinessAcquisitionCosts" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_MembersUnitsCarryingAmountAttributableToParent" abstract="false" name="MembersUnitsCarryingAmountAttributableToParent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="lunr_ClassOfWarrantOrRightPeriodInWhichStockMustReachMandatoryClosingPrice" abstract="false" name="ClassOfWarrantOrRightPeriodInWhichStockMustReachMandatoryClosingPrice" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="lunr_ConversionOfSAFEAgreementsSharesIssued" abstract="false" name="ConversionOfSAFEAgreementsSharesIssued" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="lunr_VariableInterestEntityProfitsInterestPercent" abstract="false" name="VariableInterestEntityProfitsInterestPercent" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="lunr_NumberOfVotesForEachShare" abstract="false" name="NumberOfVotesForEachShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="lunr_MilestoneAxis" abstract="true" name="MilestoneAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
  <xs:element id="lunr_XEnergyMember" abstract="true" name="XEnergyMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types1:domainItemType"/>
  <xs:element id="lunr_ContractAxis" abstract="true" name="ContractAxis" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:dimensionItem" type="xbrli:stringItemType"/>
</xs:schema>
