(821) Fanny ( lat. Fanny ) - an asteroid of the main belt , discovered March 30, 1916 by German astronomer Max Wolf at the Heidelberg Observatory .
| (821) Fanny | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Max Wolf |
| Place of discovery | Heidelberg |
| Discovery date | March 31, 1916 |
| Alternative notation | 1916 ZC ; 1930 HC; 1930 HO; 1930 HT |
| Category | Main ring |
| Orbital characteristics | |
| Age of March 23, 2018 JD 2458200.5 | |
| Eccentricity ( e ) | 0.2129341870949731 |
| Semimajor axis ( a ) | 414.759 million km (2.772495744211247 A.E.) |
| Perihelion ( q ) | 326.443 million km (2.1821366166934 A.E.) |
| Aphelion ( Q ) | 503.076 million km (3.3628548717291 a.u.) |
| Circulation Period ( P ) | 1686.183 days (4.617 g. ) |
| Average orbital speed | 17.683 km / s |
| Inclination ( i ) | 5,400167517250418 ° |
| Longitude node (Ω) | 209.7617442216995 ° |
| Perihelion Argument (ω) | 32.92348941646532 ° |
| Median Anomaly ( M ) | 339.4746401317912 ° |
| physical characteristics | |
| Diameter | 28.856 km |
| Rotation period | 5.44 h |
| Spectral class | C |
| Apparent magnitude | 16.2 m (current) |
| Absolute magnitude | 11.84 m |
| Albedo | 0,025 |
| Current distance from the sun | 2.99 a. e. |
| Current distance from earth | 2.021 a. e. |
Any coincidence of the name of this asteroid with a specific person or a certain event is unknown [1] .
See also
- List of Asteroids ( 801-900 )
- Classifications of Minor Planets
Notes
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 76. - ISBN 3-540-00238-3 .