233 Asterope

233 Asterope

Discovery
Discovered by	A. Borrelly
Discovery date	May 11, 1883
Designations
Named after	Sterope
Alternate name(s)	n/a
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	437.839 Gm (2.927 AU)
Perihelion	358.008 Gm (2.393 AU)
Semi-major axis	397.923 Gm (2.66 AU)
Eccentricity	0.1
Orbital period	1584.533 d (4.34 a)
Average orbital speed	18.26 km/s
Mean anomaly	263.357°
Inclination	7.675°
Longitude of ascending node	222.121°
Argument of perihelion	126.274°
Proper orbital elements
Physical characteristics
Dimensions	103.0 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Escape velocity	unknown
Rotation period	19.70 h
Albedo	0.087
Temperature	unknown
Spectral type	T
Absolute magnitude (H)	8.21

233 Asterope is a quite large main-belt asteroid. It is a rare T-type asteroid and has a relatively dark surface.

It was discovered by A. Borrelly on May 11, 1883, in Marseilles, France.

The asteroid was named after Asterope (or Sterope), one of the Pleiades.

References

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances
• Asteroid Lightcurve Data File