A three-dimensional model of 265 Anna based on its light curve | |
Discovery | |
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Discovered by | Johann Palisa |
Discovery date | 25 February 1887 |
Designations | |
MPC designation | (265) Anna |
Pronunciation | /ˈænə/ |
Named after | Anny Weiss |
Alternative designations | A887 DA, 1933 QN 1933 RC |
Minor planet category | Main belt |
Orbital characteristics | |
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 (sidereal) | 3.77 yr (1375.4 d) |
Mean anomaly | 84.9293° |
Mean motion | 0° 15 42.3 / day |
Inclination | 25.6443° |
Longitude of ascending node | 335.566° |
Argument of perihelion | 251.567° |
Physical characteristics | |
Dimensions | 23.66±3.0 km |
Synodic rotation period | 11.681 h (0.4867 d) |
Geometric albedo | 0.1045±0.033 |
Absolute magnitude (H) | 11.9 |
265 Anna is a typical Main belt asteroid.
It was discovered by Johann Palisa on 25 February 1887 in Vienna and was probably named after Anny Weiss (née Kretschmar), the daughter-in-law of astronomer Edmund Weiss.
References
- Noah Webster (1884) A Practical Dictionary of the English Language
- "265 Anna". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- Schmadel, Lutz (5 August 2003). Dictionary of Minor Planet Names. Springer Science & Business Media. ISBN 9783540002383 – via Google Books.
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Minor Planet Lightcurve Parameters
- 265 Anna at AstDyS-2, Asteroids—Dynamic Site
- 265 Anna at the JPL Small-Body Database
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