237 Coelestina

237 Coelestina
Discovery
Discovered by	Johann Palisa
Discovery date	27 June 1884
Designations
Alternative names	n/a
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	131.81 yr (48143 d)
Aphelion	2.96365 AU (443.356 Gm)
Perihelion	2.56551 AU (383.795 Gm)
Semi-major axis	2.76458 AU (413.575 Gm)
Eccentricity	0.072007
Orbital period	4.60 yr (1679.0 d)
Average orbital speed	17.92 km/s
Mean anomaly	253.418°
Mean motion	0° 12^m 51.905^s / day
Inclination	9.74247°
Longitude of ascending node	84.3141°
Argument of perihelion	199.113°
Earth MOID	1.55089 AU (232.010 Gm)
Jupiter MOID	2.1304 AU (318.70 Gm)
Jupiter Tisserand parameter	3.315
Physical characteristics
Dimensions	7004410800000000000♠41.08±1.4 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	29.215 h (1.2173 d)
Geometric albedo	6999210800000000000♠0.2108±0.016
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	9.24

237 Coelestina is a typical Main belt asteroid.

It was discovered by Johann Palisa on June 27, 1884 in Vienna and was named after Coelestine, wife of astronomer Theodor von Oppolzer.

References

Minor planets navigator

236 Honoria 237 Coelestina 238 Hypatia

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