Dwarf Planet Haumea Data
Image courtesy of
J. L. Ortiz
Orbital Elements
Semimajor Axis:
43.34 AU
Eccentricity:
0.189
Inclination:
28.19°
Argument of Perifocus:
239.51°
Longitude of Ascending Node:
121.90°
Mean Motion:
0.003453° per day
Time of Periapsis:
2133 October
Orbital Period:
285.4 years
Mass:
0.00070 M
E
Equatorial Radius:
0.24 R
E
Rotational Inclination:
?
Rotational Period:
3.9154 hours
Surface Temperature:
~ -241°C
Satellites
Satellite Name
Orbital Semimajor Axis (km)
Orbital Period (days)
Mass (kg)
Discovery
Discoverer Name
Announcement Date
Hi'iaka
4.95·10
4
49.12
?
M. Brown, et al.
2005 October 10
Namaka
3.93·10
4
34.1
?
M. Brown, et al.
2005 November 29
1 AU = 1.49597870691·10
11
m 1 year = 365.25 days = 31557600 s
1 M
E
= 5.9742·10
24
kg 1 R
E
= 6.378136·10
6
m
The URL of this page is:
http://www.princeton.edu/~willman/planetary_systems/Sol/Haumea
This page was last updated: 2008 September 17
You may contact Alex at:
willman@Princeton.EDU
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