NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Lissajous Orbit Control for the Deep Space Climate Observatory Sun-Earth L1 Libration Point MissionDSCOVR Lissajous Orbit sized such that orbit track never extends beyond 15 degrees from Earth-Sun line (as seen from Earth). Requiring delta-V maneuvers, control orbit to obey a Solar Exclusion Zone (SEZ) cone of half-angle 4 degrees about the Earth-Sun line. Spacecraft should never be less than 4 degrees from solar center as seen from Earth. Following Lissajous Orbit Insertion (LOI), DSCOVR should be in an opening phase that just skirts the 4-degree SEZ. Maximizes time to the point where a closing Lissajous will require avoidance maneuvers to keep it out of the SEZ. Station keeping maneuvers should take no more than 15 minutes.
Document ID
20150018272
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Roberts, Craig
(AI Solutions, Inc. Lanham, MD, United States)
Case, Sarah
(AI Solutions, Inc. Lanham, MD, United States)
Reagoso, John
(AI Solutions, Inc. Lanham, MD, United States)
Date Acquired
September 24, 2015
Publication Date
August 9, 2015
Subject Category
Astrodynamics
Report/Patent Number
AAS 15-611
GSFC-E-DAA-TN25630
Meeting Information
Meeting: AIAA/AAS Astrodynamics Specialist Conference
Location: Vail, CO
Country: United States
Start Date: August 9, 2015
End Date: August 13, 2015
Sponsors: American Astronautical Society, American Inst. of Aeronautics and Astronautics
Funding Number(s)
CONTRACT_GRANT: NNG14VC09C
Distribution Limits
Public
Copyright
Public Use Permitted.
Keywords
Orbit Control
Lissajous
Deep Space
No Preview Available