(2055) Dvořák ( Czech Dvořák ) - a small asteroid that belongs to the group of asteroids crossing the orbit of Mars . It was discovered on February 19, 1974 by the Czech astronomer Lubos Kohoutek at the Hamburg Observatory and named after the Czech composer A. Dvořák [1] .
- Orbit of the asteroid Dvorak and its position in the solar system
| (2055) Dvorak | |
|---|---|
| Asteroid | |
| Opening | |
| Discoverer | Lubos Kogoutek |
| Place of discovery | Hamburg |
| Discovery date | February 19, 1974 |
| Eponym | Antonin Dvorak |
| Alternative notation | 1974 DB |
| Category | Mars Crossers |
| Orbital characteristics | |
| Age of December 9, 2014 JD 2457000.5 | |
| Eccentricity ( e ) | 0.3114974 |
| Semimajor axis ( a ) | 345.522 million km (2,3096738 AU ) |
| Perihelion ( q ) | 237.893 million km (1,5902164 AU) |
| Aphelion ( Q ) | 453.152 million km (3.0291312 AU) |
| Circulation Period ( P ) | 1282.107 days (3.51 g. ) |
| Average orbital speed | 19,113 km / s |
| Inclination ( i ) | 21.49071 ° |
| Longitude node (Ω) | 340.44585 ° |
| Perihelion Argument (ω) | 244.17547 ° |
| Median Anomaly ( M ) | 180.69668 ° |
| physical characteristics | |
| Diameter | 8 - 17 km |
| Rotation period | 4,405 h |
| Apparent magnitude | 17.24 m (current) |
| Absolute magnitude | 12.7 m |
| Current distance from the sun | 2,123 a. e. |
| Current distance from earth | 3.105 a. e. |
See also
- List of asteroids ( 2001-2100 )
- 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. 166. - ISBN 3-540-00238-3 .