265 Anna

265 Anna

A three-dimensional model of 265 Anna based on its light curve.
Discovery
Discovered by	Johann Palisa
Discovery date	February 25, 1887
Designations
Alternative names	1933 QN, 1933 RC
Minor planet category	Main belt
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion	458.943 Gm (3.068 AU)
Perihelion	265.134 Gm (1.772 AU)
Semi-major axis	362.038 Gm (2.42 AU)
Eccentricity	0.268
Orbital period	1375.098 d (3.76 a)
Average orbital speed	19.15 km/s
Mean anomaly	64.923°
Inclination	25.63°
Longitude of ascending node	335.642°
Argument of perihelion	251.778°
Physical characteristics
Dimensions	24.0 km
Mass	unknown
Mean density	unknown
Surface gravity	unknown
Escape velocity	unknown
Rotation period	11.681 h
Albedo	unknown
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	11.2

265 Anna is a typical Main belt asteroid.

It was discovered by Johann Palisa on February 25, 1887 in Vienna and was probably named after the daughter of astronomer Edmund Weiss.

References

• The Asteroid Orbital Elements Database
• Minor Planet Discovery Circumstances
• Minor Planet Lightcurve Parameters