(24978) 1998 HJ151
From Wikipedia, the free encyclopedia
- The correct title of this article is (24978) 1998 HJ151. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
Discovery A | |
---|---|
Discoverer | Jane X. Luu, Chadwick A. Trujillo, David J. Tholen, and David C. Jewitt |
Discovery date | April 28, 1998 |
Alternate designations B |
none |
Category | TNO (cubewano) |
Orbital elements C | |
|
|
Eccentricity (e) | 0.052 |
Semi-major axis (a) | 6524.567172 Gm (43.614 AU) |
Perihelion (q) | 6184.231722 Gm (41.339 AU) |
Aphelion (Q) | 6864.902622 Gm (45.889 AU) |
Orbital period (P) | d a |
Mean orbital speed | |
Inclination (i) | 2.4° |
Longitude of the ascending node (Ω) |
50.4° |
Argument of perihelion (ω) |
133.0° |
Mean anomaly (M) | 53.5° |
Physical characteristics D | |
Dimensions | 139 km[1] |
Mass | |
Density | |
Surface gravity | |
Escape velocity | |
Rotation period | |
Spectral class | |
Absolute magnitude | 7.5 |
Albedo (geometric) | |
Mean surface temperature |
|
(24978) 1998 HJ151, also written as (24978) 1998 HJ151, is a cubewano. It has a perihelion (closest approach to the Sun) at 41.339 AU and an aphelion (farthest approach to the Sun) at 45.889 AU. It has a diameter of about 139 km. It was discovered on April 28, 1998 by Jane X. Luu, Chadwick A. Trujillo, David J. Tholen and David C. Jewitt.
[edit] References
1 ^http://cfa-www.harvard.edu/iau/lists/TNOs.html
|
|