265 Anna

265 Anna
Discovery
A three-dimensional model of 265 Anna based on its light curve.
Discovered by	Johann Palisa
Discovery date	25 February 1887
Designations
Alternative names	1933 QN, 1933 RC
Minor planet category	Main belt
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	115.71 yr (42263 d)
Aphelion	3.06672 AU (458.775 Gm)
Perihelion	1.77398 AU (265.384 Gm)
Semi-major axis	2.42035 AU (362.079 Gm)
Eccentricity	0.26706
Orbital period	3.77 yr (1375.4 d)
Average orbital speed	19.15 km/s
Mean anomaly	84.9293°
Mean motion	0° 15^m 42.3^s / day
Inclination	25.6443°
Longitude of ascending node	335.566°
Argument of perihelion	251.567°
Earth MOID	0.91311 AU (136.599 Gm)
Jupiter MOID	2.331 AU (348.7 Gm)
Jupiter Tisserand parameter	3.335
Physical characteristics
Dimensions	7004236600000000000♠23.66±3.0 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	11.681 h (0.4867 d)
Geometric albedo	6999104500000000000♠0.1045±0.033
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	11.9

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

Minor planets navigator

264 Libussa 265 Anna 266 Aline

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Asteroid belt Families Jupiter Trojans Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

Lists / categories

This article is issued from Wikipedia - version of the 9/10/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.