1230 Riceia

Riceia

Discovery
Discovered by	K. Reinmuth
Discovery site	Heidelberg
Discovery date	9 October 1931
Designations
MPC designation	1230
Alternative names	1931 TX1
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	84.50 yr (30863 days)
Aphelion	3.0333479 AU (453.78239 Gm)
Perihelion	2.1123501 AU (316.00308 Gm)
Semi-major axis	2.572849 AU (384.8927 Gm)
Eccentricity	0.1789840
Orbital period	4.13 yr (1507.4 d)
Mean anomaly	193.27068°
Mean motion	0° 14^m 19.776^s / day
Inclination	10.51348°
Longitude of ascending node	200.54984°
Argument of perihelion	185.19915°
Earth MOID	1.11512 AU (166.820 Gm)
Jupiter MOID	2.41518 AU (361.306 Gm)
Jupiter Tisserand parameter	3.383
Physical characteristics
Rotation period	6.67317 h (0.278049 d)
Absolute magnitude (H)	12.9,[2] 13.0[1]

1230 Riceia (1931 TX1) is a main-belt asteroid discovered on October 9, 1931, by K. Reinmuth at Heidelberg.^[2]

It was later named after Hugh Rice, amateur astronomer of New York and director of the Museum of Natural Sciences.^[3]

References

1. "1230 Riceia (1931 TX1)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 30 April 2016.
2. "JPL Small-Body Database Browser". Retrieved July 22, 2014.
3. Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names. Springer. p. 100. ISBN 3-540-00238-3.

External links

• 1230 Riceia at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters