(2120) Tyumen ( Latin Tyumenia ) is a typical asteroid of the main belt , which was discovered on September 9, 1967 by the Soviet astronomer Tamara Smirnova at the Crimean observatory and named after the Tyumen region , a subject of the Russian Federation in Western Siberia [4] .
- The orbit of the asteroid Tyumen and its position in the solar system
| (2120) Tyumen | |
|---|---|
| Asteroid | |
| Discovery [1] | |
| Discoverer | Smirnova T. M. |
| Place of discovery | Crimea |
| Discovery date | September 9, 1967 |
| Eponym | Tyumen region |
| Alternative notation | 1967 RM ; 1941 WS; 1971 KA |
| Category | Main ring |
| Orbital characteristics [2] | |
| Age of August 27, 2011 JD 2455800.5 | |
| Eccentricity ( e ) | 0,1262345 |
| Semimajor axis ( a ) | 400.094 million km (2.6744652 AU ) |
| Perihelion ( q ) | 349.589 million km (2.3368554 AU) |
| Aphelion ( Q ) | 450.6 million km (3,012075 AU) |
| Circulation Period ( P ) | 1597.548 days (4.374 g. ) |
| Average orbital speed | 18.14 km / s |
| Inclination ( i ) | 17.57174 ° |
| Longitude node (Ω) | 222.46951 ° |
| Perihelion Argument (ω) | 76.37894 ° |
| Median Anomaly ( M ) | 116.14461 ° |
| Physical Characteristics [3] | |
| Diameter | 41.18 ± 2.4 km |
| Rotation period | 2,769 h |
| Apparent magnitude | 14.59 m (current) |
| Absolute magnitude | 10,4 m |
| Albedo | 0,0721 ± 0,009 |
| Current distance from the sun | 2.513 a. e. |
| Current distance from earth | 1,767 a. e. |
See also
- List of asteroids ( 2101-2200 )
- Classifications of Minor Planets
Notes
- ↑ Discovery Circumstances: Numbered Minor Planets (1) - (5000) . IAU: Minor Planet Center. Date of treatment December 29, 2008. Archived July 9, 2012.
- ↑ (2120) Tyumenia unopened (inaccessible link) . AstDyS . University of Pisa . Date of treatment December 29, 2008. Archived on September 5, 2012.
- ↑ Oliver et al. Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: March 2008 // The Minor Planet Bulletin : journal. - Association of Lunar and Planetary Observers 2008. - Vol. 35 , no. 4 . - P. 149-150 . - .
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 172. - ISBN 3-540-00238-3 .