21436 Chaoyichi
Appearance
(Redirected from Chaoyichi (asteroid))
Discovery | |
---|---|
Discovered by | LINEAR |
Discovery site | Lincoln Lab ETS |
Discovery date | 31 March 1998 |
Designations | |
(21436) Chaoyichi | |
1998 FL116 | |
main-belt · background | |
Orbital characteristics[1] | |
Epoch 13 January 2016 (JD 2457400.5) | |
Uncertainty parameter 0 | |
Observation arc | 9565 days (26.19 yr) |
Aphelion | 2.3725454 AU (354.92774 Gm) |
Perihelion | 2.0008870 AU (299.32843 Gm) |
2.186716 AU (327.1281 Gm) | |
Eccentricity | 0.0849810 |
3.23 yr (1181.1 d) | |
226.1171° | |
0° 18m 17.281s / day | |
Inclination | 3.736916° |
320.37494° | |
178.30874° | |
Known satellites | 1[2] |
Physical characteristics | |
1.953±0.256 km[1] | |
2.87 h[1][3] | |
0.222±0.062[1] | |
15.4[1] | |
21436 Chaoyichi (provisional designation 1998 FL116) is a background asteroid and binary system[2] from the inner region of the asteroid belt, approximately 2 kilometers in diameter. It was discovered on 31 March 1998, by astronomers of the Lincoln Near-Earth Asteroid Research at Lincoln Laboratory's Experimental Test Site near Socorro, New Mexico, United States.[1]
References
[edit]- ^ a b c d e f "21436 Chaoyichi (1998 FL116)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
- ^ a b Wm. Robert Johnston (31 December 2015). "Asteroids with Satellites". JohnstonArchive.net. Retrieved 15 January 2016.
- ^ Pravec, P.; Vokrouhlicky, D.; Polishook, D.; Scheeres, D.J.; et al. (2010). "Formation of asteroid pairs by rotational fission". Nature. 466 (7310): 1085–1088. arXiv:1009.2770. Bibcode:2010Natur.466.1085P. doi:10.1038/nature09315. PMID 20740010. (Lightcurve plots as supplemental data)
External links
[edit]- Asteroids with Satellites, Robert Johnston, johnstonsarchive.net
- 21436 Chaoyichi at AstDyS-2, Asteroids—Dynamic Site
- 21436 Chaoyichi at the JPL Small-Body Database