Orbit Maintenance and Navigation of Human Spacecraft at Cislunar Near Rectilinear Halo Orbits

Multiple studies have concluded that Earth-Moon libration point orbits are attractive candidates for staging operations. The Near Rectilinear Halo Orbit (NRHO), a member of the Earth-Moon halo orbit family, has been singularly demonstrated to meet multi-mission architectural constraints. In this pap...

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Published inNASA Center for AeroSpace Information (CASI). Conference Proceedings
Main Authors Davis, Diane, Bhatt, Sagar, Howell, Kathleen, Jang, Jiann-Woei, Whitley, Ryan, Clark, Fred, Guzzetti, Davide, Zimovan, Emily, Barton, Gregg
Format Conference Proceeding
LanguageEnglish
Published Hampton NASA/Langley Research Center 05.02.2017
Subjects
Earth orbits
Earth-Moon system
Libration
Maneuvers
Navigation
Orbits
Rendezvous
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Summary:Multiple studies have concluded that Earth-Moon libration point orbits are attractive candidates for staging operations. The Near Rectilinear Halo Orbit (NRHO), a member of the Earth-Moon halo orbit family, has been singularly demonstrated to meet multi-mission architectural constraints. In this paper, the challenges associated with operating human spacecraft in the NRHO are evaluated. Navigation accuracies and human vehicle process noise effects are applied to various station keeping strategies in order to obtain a reliable orbit maintenance algorithm. Additionally, the ability to absorb missed burns, construct phasing maneuvers to avoid eclipses and conduct rendezvous and proximity operations are examined.