HomeSolar SystemStarsOther WorldsCosmos' LifeExplorationExtras
-The Sun-Planets-Dwarf Planets-Asteroids-Comets-The "Edge"-

Ceres

Overview

To Be Entered Soon

Data for the Dwarf Planets

Ceres Pluto Eris
Mean Orbital Distance (106 km)
413.715
5906.38
10,120,000
Average Orbital Velocity (km/s)
17.882
4.72
3.436
Orbital Inclination (from Earth's Orbit)
10.587°
17.16°
44.187°
Orbital Eccentricity
0.080
0.2488
0.44177
Equatorial Radius (km)
975
1195
2400 ± 100
Polar Radius (km)
909
1195
2400 ± 100
Mass (1024 kg)
0.00095
0.0125
?
Density (water=1)
2.08
1.75
?
Escape Velocity (km/s)
0.51
1.1
?
Gravity (m/s2)
0.27
0.6
?
Length of Day (hours)
9.074
153.2820
> 8?
Tropical Orbital Period (days)
1679.819
90,588
203,500
Average Surface Temperature (Celsius)
-106°
-225°
~-240°
Number of Moons
Rings?
No
No
No
Absolute Magnitude
3.34
-1.12±0.01
Discoverer
Guiseppe Piazzi
Clyde Tombaugh
Mike E. Brown, C.A. Trujillo, and D.L. Rabinowitz
Discovery Date
January 1, 1801
February 18, 1930
October 21, 2003

color bar
© 1997-2006, all rights reserved