(19255) 1994 VK8
From Wikipedia, the free encyclopedia
- The correct title of this article is (19255) 1994 VK8. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
Discovery
|
|
---|---|
Discovered by | Alan Fitzsimmons, Donal O'Ceallaigh, and Iwan P. Williams[1] |
Discovery date | November 8, 1994 |
Designations
|
|
MPC designation | (19255) 1994 VK8 |
Alternative names | none |
Minor planet category |
cubewano |
Epoch December 31, 2006 (JD 2454100.5) | |
Aphelion | 6603.633 Gm (44.143 AU) |
Perihelion | 6155.912 Gm (41.150 AU) |
Semi-major axis | 6379.773 Gm (42.646 AU) |
Eccentricity | 0.035 |
Orbital period | 101722.753 d (278.50 a) |
Average orbital speed | 4.56 km/s |
Mean anomaly | 247.428° |
Inclination | 1.489° |
Longitude of ascending node | 72.388° |
Argument of perihelion | 120.733° |
Physical characteristics
|
|
Dimensions | 175 km[2] |
Mass | 5.6×1018 kg |
Mean density | 2.0 g/cm³ |
Equatorial surface gravity | 0.0489 m/s² |
Escape velocity | 0.0925 km/s |
Sidereal rotation period |
? d |
Albedo | 0.10 |
Temperature | ~43 K |
Spectral type | ? |
Absolute magnitude | 7.0 |
(19255) 1994 VK8, also written as (19255) 1994 VK8, is a trans-Neptunian object (TNO) that resides in the Kuiper belt beyond Pluto. It was discovered on November 8, 1994 by Alan Fitzsimmons, Donal O'Ceallaigh, and Iwan P. Williams.
[edit] References
|
|