(2389) Dibaj

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Asteroid
(2389) Dibaj
Properties of the orbit ( animation )
Orbit type Inner main belt
Major semi-axis 2.4436 ± 0.0001  AU
eccentricity 0.2344 ± 0.0005
Perihelion - aphelion 1.8708 ± 0.0013 AU - 3.0163 ± 0.0001 AU
Inclination of the orbit plane 7.8350 ± 0.0562 °
Length of the ascending node 333.7807 ± 0.2887 °
Argument of the periapsis 337.5626 ± 0.3003 °
Time of passage of the perihelion 18th June 2019
Sidereal period 3.82 a ± 0.0901 d
Physical Properties
Medium diameter 5.820 ± 0.236 km
Albedo 0.434 ± 0.104
Absolute brightness 12.8 mag
history
Explorer Nikolai Stepanowitsch Tschernych
Date of discovery 19th August 1977
Another name 1977 QC 1 ; 1935 SH; 1950 ND 1 ; 1958 UL; 1973 QW
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.

(2389) Dibaj ( 1977 QC 1 ; 1935 SH ; 1950 ND 1 ; 1958 UL ; 1973 QW ) is an approximately six kilometers large asteroid of the inner main belt that was discovered on August 19, 1977 by the Russian (then: Soviet Union ) astronomer Nikolai Stepanowitsch Tschernych was discovered at the Crimean Observatory (Nautschnyj branch) on the Crimean peninsula ( IAU code 095).

designation

(2389) Dibaj was named after the astrophysicist Ernest Apuschewitsch Dibai (1931–1983), who is known for his research on the interstellar medium , variable stars and extragalactic astronomy . As a professor at the Lomonosov University in Moscow , he headed the branch of the Sternberg Institute for Astronomy in Nautschnyj on the Crimean peninsula from 1962 to 1977 .

See also

Web links

Individual evidence

  1. ^ Lutz D. Schmadel : Dictionary of Minor Planet Names . Fifth Revised and Enlarged Edition. Ed .: Lutz D. Schmadel. 5th edition. Springer Verlag , Berlin , Heidelberg 2003, ISBN 978-3-540-29925-7 , pp.  186 (English, 992 pp., Link.springer.com [ONLINE; accessed on August 6, 2019] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “1977 QC 1 . Discovered 1977 Aug. 19 by NS Chernykh at Nauchnyj. "