Persistent Identifier
|
hdl:2014/44031 |
Publication Date
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2013-02-10 |
Title
| GRAIL science data system orbit determination : approach, strategy, and performance |
Author
| Fahnestock, Eugene (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Asmar, Sami (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Harvey, Nate (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Kahan, Daniel (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Konopliv, Alex (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Kruizinga, Gerhard (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Oudrhiri, Kamal (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Paik, Meegyeong (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Park, Ryan (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Strekalov, Dmitry (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.)
Yuan, Dah-Ning (Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2013.) |
Point of Contact
|
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Fahnestock, Eugene |
Description
| This paper details orbit determination techniques and strategies employed within each stage of the larger iterative process (ref. Kruizinga et al., this meeting) of preprocessing raw GRAIL data into the gravity science measurements used within gravity field solutions. Each orbit determination pass used different data, corrections to them, and/or estimation parameters. We compare performance metrics among these passes. For example, for the primary mission, the magnitude of residuals using our orbits progressed from ≈19.4 to ≈0.077 μm/s for inter-satellite range rate data and from ≈0.4 to ≈0.1 mm/s for Doppler data. |
Subject
| Other |
Production Date
| 2013-02-10 |