(29212) Zeeman

Asteroid (29212) Zeeman
Properties of the orbit ( animation ) Epoch: March 23, 2018 ( JD 2,458,200.5)
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 .

Individual evidence