(2164) Lyalya

Asteroid (2164) Lyalya
Properties of the orbit ( animation )
Orbit type	Outer main belt
Asteroid family	Themis family
Major semi-axis	3,187 AU
eccentricity	0.131
Perihelion - aphelion	2.769 AU - 3.605 AU
Inclination of the orbit plane	2.625 °
Length of the ascending node	115.727 °
Argument of the periapsis	196.875 °
Time of passage of the perihelion	18th June 2017
Sidereal period	5.69 a
Physical Properties
Medium diameter	19.976 ± 0.208 km
Albedo	0.08 ± 0.011
Rotation period	11.57 h
Absolute brightness	11.9 likes
history
Explorer	Nikolai Stepanowitsch Tschernych
Date of discovery	September 11, 1972
Another name	1972 RM ₂ ; 1949 QF ₁ ; 1953 FJ; 1955 RW; 1955 SB ₂ ; 1976 GO ₇
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.

(2164) Lyalya ( 1972 RM ₂ ; 1949 QF ₁ ; 1953 FJ ; 1955 RW ; 1955 SB ₂ ; 1976 GO ₇ ) is an asteroid of the outer main belt that was discovered on September 11, 1972 by the Russian astronomer Nikolai Stepanowitsch Tschernych at the Crimean Observatory was discovered in Nautschnyj ( IAU code 095). The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis .

designation

(2164) Lyalya was named after Elena "Lyalya" Konstantinova Ubijvovk (1918–1942), an astronomy student at Kharkiv University , who died with others in the German-Soviet War (also known as the "Great Patriotic War").

Web links

(2164) Lyalya in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
(2164) Lyalya in the Small-Body Database of the Jet Propulsion Laboratory .

Individual evidence

^ 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. 176 (English, 992 pp., Link.springer.com [ONLINE; accessed October 20, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in memory of Elena (Lyalya ) Konstantinova Ubijvovk (1918–1942) ”

[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. 176 (English, 992 pp., Link.springer.com [ONLINE; accessed October 20, 2017] Original title: Dictionary of Minor Planet Names . First edition: Springer Verlag, Berlin, Heidelberg 1992): “Named in memory of Elena (Lyalya ) Konstantinova Ubijvovk (1918–1942) ”