57424 Caelumnoctu
Appearance
This article relies largely or entirely on a single source. (December 2013) |
Discovery | |
---|---|
Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
Discovery site | Socorro |
Discovery date | 16 September 2001 |
Designations | |
57424 | |
2001 SP22, 1982 BV4 | |
Orbital characteristics[1] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 12172 days (33.33 yr) |
Aphelion | 3.3227002 AU (497.06887 Gm) |
Perihelion | 2.7480556 AU (411.10327 Gm) |
3.0353779 AU (454.08607 Gm) | |
Eccentricity | 0.0946578 |
5.29 yr (1931.6 d) | |
222.88119° | |
0° 11m 10.946s / day | |
Inclination | 9.671696° |
353.32181° | |
46.25298° | |
Earth MOID | 1.76331 AU (263.787 Gm) |
Jupiter MOID | 2.11459 AU (316.338 Gm) |
TJupiter | 3.213 |
Proper orbital elements | |
Proper mean motion | 0.1861 deg / yr |
Proper orbital period | 1934.44385 yr (706555.615 d) |
Physical characteristics | |
13.7 | |
57424 Caelumnoctu (2001 SP22) is a main-belt asteroid discovered on September 16, 2001 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro, New Mexico.
It was named Caelumnoctu (Latin for The Sky at Night) in honour of the BBC television programme which celebrated its 50th anniversary in 2007. The number 57424 refers to the date of the first broadcast, 24 April 1957.[1]
References
- ^ a b "57424 Caelumnoctu (2001 SP22)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
External links
- JPL Small-Body Database Browser on 57424 Caelumnoctu
- 57424 Caelumnoctu at the JPL Small-Body Database