2903 Zhuhai

Zhuhai

Discovery
Discovered by	Purple Mountain Observatory
Discovery site	Nanking
Discovery date	23 October 1981
Designations
MPC designation	2903
Named after	Zhuhai
Alternative names	1981 UV9
Orbital characteristics[1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc	60.76 yr (22191 days)
Aphelion	2.7138827 AU (405.99107 Gm)
Perihelion	2.4115179 AU (360.75794 Gm)
Semi-major axis	2.562700 AU (383.3745 Gm)
Eccentricity	0.0589934
Orbital period	4.10 yr (1498.5 d)
Mean anomaly	43.23447°
Mean motion	0° 14^m 24.888^s / day
Inclination	14.34218°
Longitude of ascending node	232.59497°
Argument of perihelion	244.73849°
Earth MOID	1.46107 AU (218.573 Gm)
Jupiter MOID	2.44851 AU (366.292 Gm)
Jupiter Tisserand parameter	3.388
Physical characteristics
Rotation period	6.152 ± 0.001 h[2]
Absolute magnitude (H)	11.7

2903 Zhuhai (1981 UV9) is a main-belt asteroid discovered on October 23, 1981, by Purple Mountain Observatory at Nanking. It is a member of the Maria family of asteroids.^[2]

References

1. "2903 Zhuhai (1981 UV9)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 15 April 2016.
2. Alvarez-Candal, Alvaro; et al. (December 2004), "Rotational lightcurves of asteroids belonging to families", Icarus 172 (2): 388–401, Bibcode:2004Icar..172..388A, doi:10.1016/j.icarus.2004.06.008.

External links

• 2903 Zhuhai at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters