(39509) Kardashev

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Asteroid
(39509) Kardashev
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Main belt
Asteroid family Dora family
Major semi-axis 2.8004  AU
eccentricity 0.2267
Perihelion - aphelion 2.1655 AU - 3.4352 AU
Inclination of the orbit plane 8.4061 °
Length of the ascending node 183.6080 °
Argument of the periapsis 191.5878 °
Sidereal period 4.69 a
Physical Properties
Absolute brightness 14.2 mag
history
Explorer Nikolai Stepanowitsch Tschernych
Date of discovery October 22, 1981
Another name 1981 US 11 , 1993 FY 39 , 1998 HO 66 , 2002 CN 145
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.

(39509) Kardashev is an asteroid of the main belt that was discovered on October 22, 1981 by the Russian astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory in Nautschnyj ( IAU code 095).

The asteroid belongs to the Dora family, a group of asteroids named after (668) Dora . The timeless (non- osculating ) orbital elements of (39509) Kardashev are almost identical to those of the smaller one, assuming the absolute magnitude of 15.7 versus 14.2, asteroids (377140) 2003 OC 16 .

(39509) Kardashev was named on February 13, 2012 after the Russian astrophysicist Nikolai Semjonowitsch Kardaschow (1932-2019), director of the Space Research Institute of the Russian Academy of Sciences in Moscow and creator of the Kardaschow scale for classifying extraterrestrial civilizations.

See also

Web links

Individual evidence

  1. The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)