Autonomous Navigation ( AutoNav ) for Primitive Body Exploration
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Capabilities / Performance • High precision dynamic models of trajectory • Autonomous onboard image processing and orbit determination • Autonomous onboard maneuver planning and execution • ‘Scene Analysis’ for target site selection • Spacecraft-Spacecraft synchronization AutoNav has been used successfully on every NASA comet imaging mission to date Autonomous Navigation (AutoNav) for Primitive Body Exploration 19/P Borrelly Deep Space 1 81/P Wild 2 Stardust 2004 9/P Tempel 1 Deep Impact 103/P Hartley 2 EPOXI 2010 9/P Tempel 2 Stardust NExT Introduction AutoNav is uniquely suited to handle primitive body exploration needs • Rapid orbit knowledge with respect to previously unseen targets • Quick turnaround maneuver design for orbit maintenance and/or landing • High accuracy targeting for imaging and small landing footprint • Proven capability for high-speed small body deflection Enable AutoNa v Depart staging area Touchdown Braking burns at 110, 35m Drop burn at 500 m altitude Continue flyby if commit command not received Landmark tracking X New Capabilities AutoNav now includes autonomous landmark tracking 1 for proximity operations 2 Representative scenario of how AutoNav can be used for a targeted landing AutoNav 3-DOF and 6 DOF simulations confirm landing accuracy performance of < 5 m (3- sigma) 3 References 1. Gaskell, R. “Optical Navigation Near Small Bodies”, Paper AAS 11-220, 2011 2. Riedel et al, “Configuring the Deep Impact AutoNav System for Lunar, Comet and Mars Landing”, Paper AIAA-2008-6940, 2008 Shyam Bhaskaran Mission Design and Navigation Section Jet Propulsion Laboratory/California Institute of Technology ional Aeronautics and Space Administration
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National Aeronautics and Space Administration. Autonomous Navigation ( AutoNav ) for Primitive Body Exploration. Shyam Bhaskaran Mission Design and Navigation Section Jet Propulsion Laboratory/California Institute of Technology. Introduction - PowerPoint PPT Presentation
Transcript of Autonomous Navigation ( AutoNav ) for Primitive Body Exploration
Capabilities / Performance• High precision dynamic models of trajectory• Autonomous onboard image processing and orbit determination• Autonomous onboard maneuver planning and execution• ‘Scene Analysis’ for target site selection• Spacecraft-Spacecraft synchronization
AutoNav has been used successfully on every NASA comet imaging mission to date
Autonomous Navigation (AutoNav) for Primitive Body Exploration
19/P BorrellyDeep Space 1
2001
81/P Wild 2Stardust
2004
9/P Tempel 1Deep Impact
2005
103/P Hartley 2EPOXI2010
9/P Tempel 2Stardust NExT
2011
IntroductionAutoNav is uniquely suited to handle primitive body exploration needs• Rapid orbit knowledge with respect to previously unseen targets• Quick turnaround maneuver design for orbit maintenance and/or landing• High accuracy targeting for imaging and small landing footprint• Proven capability for high-speed small body deflection
Enable AutoNav
Depart staging
area
TouchdownBraking burns
at 110, 35m
Drop burn at 500 m altitude
Continue flyby if commit command not received
Landmarktracking
X
New CapabilitiesAutoNav now includes autonomous landmark tracking1 for proximity operations2
Representative scenarioof how AutoNav can be used for a targeted landing
AutoNav 3-DOF and 6 DOF simulations confirm landing accuracy performance of < 5 m (3- sigma)3
References1. Gaskell, R. “Optical Navigation Near Small Bodies”, Paper AAS 11-220, 20112. Riedel et al, “Configuring the Deep Impact AutoNav System for Lunar,
Comet and Mars Landing”, Paper AIAA-2008-6940, 20083. Bhaskaran et al, “Small Body Landings Using Autonomous Onboard Optical
Navigation,” JAS in press.
Shyam BhaskaranMission Design and Navigation Section
Jet Propulsion Laboratory/California Institute of Technology
National Aeronautics and Space Administration
