Gravitational Parameters of the Jupiter System from the Doppler Tracking of Pioneer 10
Preliminary analyses of Doppler data from Pioneer 10 during its encounter with Jupiter indicate that the mass of Io is about 20 percent greater than previously thought and that Io's mean density is about 3.5 grams per cubic centimeter. A determination of the dynamical flattening of Jupiter (a-b)/a (where a is the semimajor axis and b is the semiminor axis) is found to lie in the neighborhood of 0.065, which agrees with the value determined from satellite perturbations.
- Research Organization:
- California Inst. of Tech., Pasadena
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-016701
- OSTI ID:
- 4357686
- Journal Information:
- Science, Journal Name: Science Journal Issue: 4122 Vol. 183; ISSN 0036-8075
- Publisher:
- AAAS
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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