(3213) Smolensk
Asteroid (3213) Smolensk |
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Properties of the orbit ( animation ) | |
Orbit type | Main outer belt asteroid |
Asteroid family | Themis family |
Major semi-axis | 3.1990 AU |
eccentricity | 0.1590 |
Perihelion - aphelion | 2.6903 AU - 3.7078 AU |
Inclination of the orbit plane | 0.9555 ° |
Length of the ascending node | 33.7409 ° |
Argument of the periapsis | 325.9144 ° |
Time of passage of the perihelion | June 14, 2018 |
Sidereal period | 5.72 a |
Mean orbital velocity | 16.64 km / s |
Physical Properties | |
Medium diameter | 17.720 (± 0.244) km |
Albedo | 0.074 (± 0.010) |
Absolute brightness | 12.4 mag |
history | |
Explorer | Nikolai Tschernych |
Date of discovery | July 14, 1977 |
Another name | 1977 NQ , 1980 BJ 5 , 1983 PL |
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. |
(3213) Smolensk is an asteroid of the main outer belt , which was discovered by the Soviet astronomer Nikolai Tschernych on July 14, 1977 at the Crimean Observatory in Nauchnyj ( IAU code 095).
The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis . The timeless (non- osculating ) orbital elements of (3213) Smolensk are almost identical to those of the smaller, if one assumes the absolute brightness of 16.6 compared to 12.4, asteroids (362525) 2010 TT 151 .
(3213) Smolensk was named on April 2, 1988 after the western Russian city of Smolensk .
Web links
- (3213) Smolensk in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (3213) Smolensk in the Small-Body Database of the Jet Propulsion Laboratory .
- Discovery Circumstances of (3213) Smolensk according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)