265 Anna

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265 Anna
265Anna (Lightcurve Inversion).png
A three-dimensional model of 265 Anna based on its light curve.
Discovery
Discovered by Johann Palisa
Discovery date 25 February 1887
Designations
1933 QN, 1933 RC
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)
2.42035 AU (362.079 Gm)
Eccentricity 0.26706
3.77 yr (1375.4 d)
19.15 km/s
84.9293°
0° 15m 42.3s / day
Inclination 25.6443°
335.566°
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 23.66±3.0 km
Mass unknown
Mean density
unknown
Equatorial surface gravity
unknown
Equatorial escape velocity
unknown
11.681 h (0.4867 d)
0.1045±0.033
Temperature unknown
unknown
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[edit]

External links[edit]