(29212) Zeeman
Asteroid (29212) Zeeman |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Koronis family |
Major semi-axis | 2.8813 AU |
eccentricity | 0.0490 |
Perihelion - aphelion | 2.7400 AU - 3.0226 AU |
Inclination of the orbit plane | 2.3119 ° |
Length of the ascending node | 31.6666 ° |
Argument of the periapsis | 271.0596 ° |
Sidereal period | 4.89 a |
Mean orbital velocity | 17.53 km / s |
Physical Properties | |
Medium diameter | 3.924 ± 0.620 km |
Albedo | 0.288 ± 0.076 |
Absolute brightness | 14.3 mag |
history | |
Explorer | Freimut Börngen |
Date of discovery | September 10, 1991 |
Another name | 1991 RA 41 , 1991 RN 32 , 1999 GU 56 |
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. |
(29212) Zeeman is an asteroid of the main belt that was discovered on September 10, 1991 by the German astronomer Freimut Börngen at the Thuringian state observatory in Tautenburg ( IAU code 033) in Thuringia .
The celestial body is a member of the Koronis family, a group of asteroids named after (158) Koronis.
The asteroid was named on May 26, 2002 after the Dutch physicist Pieter Zeeman (1865-1943), who studied the influence of magnetism on radiation phenomena and was awarded the Nobel Prize in Physics in 1902 together with Hendrik Antoon Lorentz .
See also
Individual evidence
- ↑ The family membership of (29212) Zeeman in the database AstDyS-2 (English)
Web links
- Asteroid Zeeman: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (29212) Zeeman in the Small-Body Database of the Jet Propulsion Laboratory .
- (29212) Zeeman in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).