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Dear Orbital Group,
I have been interested in the relative effects of gravitational forces in our solar system. The following list is a compilation of the top 26 gravitational bodies by mass in the near vicinity of our Sun.
This list was compiled on 10/17/02. It does not include recent planetary discoveries in the Kuiper Belt. I would appreciate any editorial comments on this list:
Have I missed anything significant?
Are the mass estimates correct?
Are there recent discoveries that belong on this list?
Are programs available that are able to track or locate these gravitational bodies for an astronomical observer on Earth?
Frank Lucatelli
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The top 26 list of solar system objects by their mass:
Compiled by Eric Schreur of the Kalamazoo Valley Museum
Sun.................2.0e30 Kg
Jupiter.............1.9e27 Kg
Saturn.............5.6e26 Kg
Neptune..........1.0e26 Kg
Uranus............8.7e25 Kg
Earth...............6.0e24 Kg
Mars................6.4e23 Kg
Mercury...........3.3e23 Kg
Ganymede.......1.5e23 Kg (moon of Jupiter)
Titan................1.4e23 Kg (moon of Saturn)
Callisto.............1.1e23 Kg (moon of Jupiter)
Io.....................8.9e22 Kg (moon of Jupiter)
Moon...............7.4e22 Kg
Europa.............4.9e22 Kg (moon of Jupiter)
Triton...............2.1e22 Kg (moon of Neptune)
Pluto................1.3e22 Kg ( I consider Pluto to be a moon of Neptune. fjl)
Titania.............3.5e21 Kg (moon of Uranus)
Oberon............3.0e21 Kg (moon of Uranus)
Rhea...............2.5e21 Kg (moon of Saturn)
Charon............1.9e21 Kg (moon of Pluto)
Iapetus............1.9e21 Kg (moon of Saturn)
Umbrial............1.3e21 Kg (moon of Uranus)
Ariel.................1.3e21 Kg (moon of Uranus)
Dione..............1.0e21 Kg (moon of Saturn)
Quawar??
Ceres Asteroid??
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