237 Coelestina

237 Coelestina

Discovery
Discovered by	Johann Palisa
Discovery date	June 27, 1884
Designations
Alternative names	n/a
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	443.501 Gm (2.965 AU)
Perihelion	383.183 Gm (2.561 AU)
Semi-major axis	413.342 Gm (2.763 AU)
Eccentricity	0.073
Orbital period	1677.516 d (4.59 a)
Average orbital speed	17.92 km/s
Mean anomaly	69.166°
Inclination	9.754°
Longitude of ascending node	84.446°
Argument of perihelion	201.743°
Physical characteristics
Dimensions	41.0 km
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	unknown
Albedo	unknown
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

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances