(189398) OEM ring
Asteroid (189398) Soemmerring |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Major semi-axis | 2.587 AU |
eccentricity | 0.158 |
Perihelion - aphelion | 2.178 AU - 2.996 AU |
Inclination of the orbit plane | 5 ° |
Length of the ascending node | 125.6 ° |
Argument of the periapsis | 182.3 ° |
Sidereal period | 4.16 a |
Mean orbital velocity | 18.40 km / s |
Physical Properties | |
Absolute brightness | 16.5 mag |
history | |
Explorer | Stefan Karge and Rainer Kling |
Date of discovery | May 7, 2008 |
Another name | 2008 JG 20 |
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. |
(189398) Soemmerring is an asteroid of the main middle belt , which is located between Mars and Jupiter .
It was discovered on May 7, 2008 by the German amateur astronomers Stefan Karge and Rainer Kling from the Hans-Ludwig-Neumann-Observatory ( IAU-Code B01) on the Kleiner Feldberg in the Taunus .
The asteroid was named on July 26, 2010 in honor of Samuel Thomas von Soemmerring (1755–1830), a German anatomist , anthropologist , paleontologist and inventor . I.a. he discovered the yellow spot in the retina of the human eye and invented the electrochemical telegraph . Stefan Karge and Rainer Kling are members of the Physikalischer Verein - Society for Education and Science , which annually awards the Samuel Thomas von Soemmerring Prize for amateur astronomical work.
See also
Web links
- (189398) Soemmerring in the Small-Body Database of the Jet Propulsion Laboratory (English).
- (189398) Soemmerring at the IAU Minor Planet Center (English)
Individual evidence
- ↑ JPL Small-Body Database: 189398 Soemmerring. In: NASA . Retrieved July 21, 2017 .
- ↑ Minor Planet Circulars # 71352. (PDF) In: Minor Planet Center . July 26, 2010, accessed July 21, 2017 .