(890) Waltraut ( lat.Waltraut ) - an asteroid of the main asteroid belt , belonging to the spectral class T. The asteroid was discovered on March 11, 1918 by the German astronomer Max Wolf at the Heidelberg Observatory in southwestern Germany and named after the character of Richard Wagner’s opera Twilight of the Gods . [one]
| (890) Valtraut | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Max Wolf |
| Place of discovery | Heidelberg Observatory |
| Discovery date | March 11, 1918 |
| Alternative notation | A918 EO; A908 GA |
| Category | Main ring |
| Orbital characteristics | |
| Age of April 27, 2019 JD 2458600.5 | |
| Eccentricity ( e ) | 0,06079 |
| Semimajor axis ( a ) | 452.466 million km (3.02455 AU ) |
| Perihelion ( q ) | 424.961 million km (2.84069 AU) |
| Aphelion ( Q ) | 479.972 million km (3.20841 AU) |
| Circulation Period ( P ) | 1,921.275 days (5.26 g ) |
| Average orbital speed | 17.11 km / s |
| Inclination ( i ) | 10.866 ° |
| Longitude node (Ω) | 160.611 ° |
| Perihelion Argument (ω) | 89.377 ° |
| Median Anomaly ( M ) | 3,092 ° |
| physical characteristics | |
| Diameter | 28,376 km |
| Rotation period | 12,581 h |
| Spectral class | T |
| Apparent magnitude | 15.87 m (current) |
| Absolute magnitude | 10.78 m |
| Albedo | 0.121 |
| Current distance from the sun | 2.86 a. e. |
| Current distance from earth | 2,332 a. e. |
The object belongs to a large family of Eos asteroids [2]
See also
- (221) Eos
- List of Asteroids (801-900 )
- Classifications of Minor Planets
Notes
- ↑ https://books.google.com/books?id=aeAg1X7afOoC&pg=PA77&redir_esc=y#v=onepage&q&f=false
- ↑ Veeder, GJ; et al. (March 1995). Eos, Koronis, and Maria family asteroids: Infrared (JHK) photometry // Icarus, 114, pp. 186–196, Bibcode: 1995Icar..114..186V, CiteSeerX 10.1.1.31.2739, doi: 10.1006 / icar.1995.105.
Links
- NASA JPL Small Solar System Bodies (890 Waltraut )
- Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- 992 p. - ISBN 3-540-00238-3 .