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Cassini Orbit Determination Performance during Saturn Satellite Tour: August 2005 - January 2006During the period spanning the second Enceladus flyby in July 2005 through the eleventh Titan encounter in January 2006, the Cassini spacecraft was successfully navigated through eight close-targeted satellite encounters. Three of these encounters included the 500 km flybys of the icy satellites Hyperion, Dione and Rhea and five targeted flybys of Saturn's largest moon, Titan. This paper will show how our refinements to Saturn's satellite ephemerides have improved orbit determination predictions. These refinements include the mass estimates of Saturn and its satellites by better than 0.5%. Also, it will be shown how this better orbit determination performance has helped to eliminate several statistical maneuvers that were scheduled to clean-up orbit determination and/or maneuver-execution errors.
Document ID
20090022176
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Antreasian, Peter G.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Bordi, J. J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Criddle, K. E.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Ionasescu, R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Jacobson, R. A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Jones, J. B.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
MacKenzie, R. A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Parcher, D. W.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Pelletier, F. J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Roth, D. C.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Stauch, J. R.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 24, 2013
Publication Date
August 19, 2007
Subject Category
Astronomy
Report/Patent Number
AAS-07-000
Meeting Information
Meeting: AAS/AIAA Astrodynamics Specialists Conference
Location: Mackinac Island, MI
Country: United States
Start Date: August 19, 2007
End Date: August 23, 2007
Sponsors: American Inst. of Aeronautics and Astronautics, American Astronomical Society
Distribution Limits
Public
Copyright
Other
Keywords
Rhea
Titan
Dione
Cassini
orbit determination
navigation
Saturn

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