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3D Position and Velocity Vector Computations of Objects Jettisoned from the International Space Station Using Close-Range Photogrammetry ApproachMeasurement of the jettisoned object departure trajectory and velocity vector in the International Space Station (ISS) reference frame is vitally important for prompt evaluation of the object s imminent orbit. We report on the first successful application of photogrammetric analysis of the ISS imagery for the prompt computation of the jettisoned object s position and velocity vectors. As post-EVA analyses examples, we present the Floating Potential Probe (FPP) and the Russian "Orlan" Space Suit jettisons, as well as the near-real-time (provided in several hours after the separation) computations of the Video Stanchion Support Assembly Flight Support Assembly (VSSA-FSA) and Early Ammonia Servicer (EAS) jettisons during the US astronauts space-walk. Standard close-range photogrammetry analysis was used during this EVA to analyze two on-board camera image sequences down-linked from the ISS. In this approach the ISS camera orientations were computed from known coordinates of several reference points on the ISS hardware. Then the position of the jettisoned object for each time-frame was computed from its image in each frame of the video-clips. In another, "quick-look" approach used in near-real time, orientation of the cameras was computed from their position (from the ISS CAD model) and operational data (pan and tilt) then location of the jettisoned object was calculated only for several frames of the two synchronized movies. Keywords: Photogrammetry, International Space Station, jettisons, image analysis.
Document ID
20080009704
Acquisition Source
Johnson Space Center
Document Type
Preprint (Draft being sent to journal)
Authors
Papanyan, Valeri (NASA Johnson Space Center Houston, TX, United States)
Oshle, Edward (NASA Johnson Space Center Houston, TX, United States)
Adamo, Daniel (United Space Alliance Houston, TX, United States)
Date Acquired
August 24, 2013
Publication Date
January 1, 2008
Subject Category
Instrumentation And Photography
Report/Patent Number
Paper Number 6958-17
Meeting Information
Meeting: Sensors and Systems for Space Applications
Location: Orlando, Fl
Country: United States
Start Date: March 17, 2008
End Date: March 20, 2008
Sponsors: International Society for Optical Engineering
Funding Number(s)
CONTRACT_GRANT: NNJ05HI0SC
Distribution Limits
Public
Copyright
Public Use Permitted.

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