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Celestial Mechanics

NSSDCA ID: 1973-019A-09

Mission Name: Pioneer 11
Principal Investigator:Dr. John D. Anderson


In this investigation, two-way Doppler tracking of the spacecraft was used to make more precise determinations of planetary masses; the heliocentric orbits of Jupiter and Saturn; and the gravitational fields of the Sun, Jupiter, Saturn, and the Galilean and Saturnian satellites.

Alternate Names

  • Pioneer11/CelestialMechanics

Funding Agency

  • NASA-Office of Space Science (United States)


  • Astronomy: Celestial Mechanics
  • Planetary Science: Celestial Mechanics

Additional Information

Questions and comments about this experiment can be directed to: Dr. John F. Cooper



NameRoleOriginal AffiliationE-mail
Mr. George W. NullOther InvestigatorNASA Jet Propulsion
Dr. John D. AndersonPrincipal InvestigatorNASA Jet Propulsion
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