(10549) Helsingborg
Asteroid (10549) Helsingborg |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Asteroid family | Eunomia family |
Major semi-axis | 2.5594 AU |
eccentricity | 0.1705 |
Perihelion - aphelion | 2.1230 AU - 2.9959 AU |
Inclination of the orbit plane | 13.7085 ° |
Length of the ascending node | 340.4623 ° |
Argument of the periapsis | 349.1444 ° |
Time of passage of the perihelion | February 26, 2017 |
Sidereal period | 4.09 a |
Mean orbital velocity | 18.61 km / s |
Physical Properties | |
Medium diameter | 4.188 ± 0.334 |
Albedo | 0.210 ± 0.057 |
Absolute brightness | 14.1 mag |
history | |
Explorer | Eric Walter Elst |
Date of discovery | 2nd September 1992 |
Another name | 1992 RM 2 , 1988 RF 2 |
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. |
(10549) Helsingborg is an asteroid of the main belt , which on 2 September 1992 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory ( IAU code in 809) Chile was discovered.
The asteroid belongs to the Eunomia family, a group named after (15) Eunomia , to which probably five percent of the asteroids in the main belt belong.
The celestial body was named on March 20, 2000 after the Swedish city of Helsingborg , located at the narrowest point of the Oresund .
See also
Individual evidence
- ↑ The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)
Web links
- (10549) Helsingborg in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).
- (10549) Helsingborg in the Small-Body Database of the Jet Propulsion Laboratory (English).
- Discovery Circumstances of (10549) Helsingborg according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics in Cambridge , Massachusetts (English)