(2142) Landau

Asteroid (2142) Landau
Properties of the orbit ( animation ) Epoch: September 30, 2012 ( JD 2,456,200.5)
Orbit type	Main belt asteroid
Asteroid family	Themis family
Major semi-axis	3.1675 AU
eccentricity	0.1158
Perihelion - aphelion	2.8007 AU - 3.5343 AU
Inclination of the orbit plane	0.6625 °
Sidereal period	5.64 a
Mean orbital velocity	16.73 km / s
Physical Properties
Medium diameter	approx. 20 km
Absolute brightness	12.0 mag
history
Explorer	LI Chernych
Date of discovery	April 3, 1972
Another name	1972 GA, 1960 DB, 1974 SL ₁ , 1977 EE
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.

(2142) Landau is an asteroid of the main belt that was discovered on April 3, 1972 by the Russian astronomer Lyudmila Ivanovna Tschernych at the Crimean Observatory ( IAU code 095) in Nautschnyj .

The asteroid was named after the Soviet physicist and member of the Soviet Academy of Sciences Lev Dawidowitsch Landau (1908–1968), who worked on the Soviet hydrogen bomb project in the late 1940s and early 1950s and was awarded the Nobel Prize in Physics in 1962 .

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