21436 Chaoyichi
| Discovery | |
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | 31 March 1998 |
| Designations | |
| MPC designation | 21436 |
| 1998 FL116 | |
| 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° | |
| Earth MOID | 1.01422 AU (151.725 Gm) |
| Jupiter MOID | 2.64054 AU (395.019 Gm) |
| Jupiter Tisserand parameter | 3.669 |
| Physical characteristics | |
| 2.87 h (0.120 d) | |
| 15.4 | |
|
| |
21436 Chaoyichi (1998 FL116) is a main-belt binary asteroid[2] discovered on March 31, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.[3]
References
- ↑ "21436 Chaoyichi (1998 FL116)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
- ↑ 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): 1085–1088. (Lightcurve plots as supplemental data)
External links
21436 Chaoyichi at the JPL Small-Body Database
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