21436 Chaoyichi

Chaoyichi

Discovery
Discovered by	Lincoln Laboratory Near-Earth Asteroid Research Team
Discovery site	Socorro
Discovery date	31 March 1998
Designations
MPC designation	21436
Alternative names	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)
Semi-major axis	2.186716 AU (327.1281 Gm)
Eccentricity	0.0849810
Orbital period	3.23 yr (1181.1 d)
Mean anomaly	226.1171°
Mean motion	0° 18^m 17.281^s / day
Inclination	3.736916°
Longitude of ascending node	320.37494°
Argument of perihelion	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
Rotation period	2.87 h (0.120 d)
Absolute magnitude (H)	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

1. "21436 Chaoyichi (1998 FL116)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
2. Wm. Robert Johnston (31 December 2015). "Asteroids with Satellites". JohnstonArchive.net. Retrieved 15 January 2016.
3. 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

• Discovery · Orbit diagram · Chaoyichi#elem Orbital elements · Physical parameters