(2002) Euler ( Latin Euler ) is a small asteroid of the main belt , about 17 kilometers in diameter, which was discovered on August 29, 1973 by the Russian astronomer Tamara Smirnova at the Crimean Astrophysical Observatory at Nauchny and is named after a Swiss, German and Russian mathematician , physicist and astronomer Leonard Euler (1707-1783). Euler spent most of his life in St. Petersburg and was associated with the Russian Academy of Sciences [3] . An asteroid makes a complete revolution around its axis in 6 hours [2] .
| (2002) Euler | |
|---|---|
| Asteroid | |
| Discovery [1] | |
| Discoverer | Smirnova T. M. |
| Place of discovery | Crimea |
| Discovery date | August 29, 1973 |
| Eponym | Leonard Euler |
| Alternative notation | 1973 QQ 1 ; 1938 DW 1942 GJ; 1953 EB 1973 SJ 2 |
| Category | Main ring |
| Orbital characteristics [2] | |
| Age of July 31, 2016 JD 2457600.5 | |
| Eccentricity ( e ) | 0.0690659 |
| Semimajor axis ( a ) | 361.587 million km (2.4170570 AU ) |
| Perihelion ( q ) | 336.613 million km (2,2501208 A.E.) |
| Aphelion ( Q ) | 386.56 million km (2,5839932 AU) |
| Circulation Period ( P ) | 1372.552 days (3.758 g ) |
| Average orbital speed | 19.135 km / s |
| Inclination ( i ) | 8.50257 ° |
| Longitude node (Ω) | 178.65370 ° |
| Perihelion Argument (ω) | 53,80595 ° |
| Median Anomaly ( M ) | 254.97318 ° |
| physical characteristics | |
| Diameter | 17.44 km |
| Weight | 5.5⋅10 15 kg |
| Density | 2,000 g / cm³ |
| Acceleration of free fall on the surface | 0,0049 m / s² |
| 2nd space speed | 0.0092 km / s |
| Rotation period | 5.9929 h |
| Apparent magnitude | 17.16 m (current) |
| Absolute magnitude | 11.8 m |
| Albedo | 0.0839 ± 0.015 |
| Average surface temperature | 179 K (−94 ° C ) |
| Current distance from the sun | 2,583 a. e. |
| Current distance from earth | 2,861 a. e. |
Orbit of asteroid Euler and its position in the solar system
See also
- List of asteroids ( 2001-2100 )
- Classifications of Minor Planets
Notes
- ↑ Numbered Minor Planets (1) - (5000 ) . IAU – Minor Planet Center (April 7, 2019). Date of treatment April 8, 2019.
- ↑ 1 2 The Asteroid Orbital Elements Database . Lowell Observatory .
- ↑ Schmadel, Lutz D. Dictionary of Minor Planet Names . - Fifth Revised and Enlarged Edition. - B. , Heidelberg, N. Y .: Springer, 2003 .-- P. 162. - ISBN 3-540-00238-3 .