(6797) Ostersund

from Wikipedia, the free encyclopedia
Asteroid
(6797) Ostersund
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Main outer belt asteroid
Asteroid family Koronis family
Major semi-axis 2.9172  AU
eccentricity 0.0703
Perihelion - aphelion 2.7121 AU - 3.1223 AU
Inclination of the orbit plane 1.1295 °
Length of the ascending node 321.7832 °
Argument of the periapsis 4.3222 °
Sidereal period 4.98 a
Mean orbital velocity 17.44 km / s
Physical Properties
Absolute brightness 12.5 mag
history
Explorer Uppsala-ESO Survey of Asteroids and Comets
at the La Silla Observatory
Date of discovery March 21, 1993
Another name 1993 FG 25 , 1985 SZ 5 , 1985 UH 6 , 1985 VY 5 , 1995 UE 9
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.

(6797) Östersund is an asteroid of the main outer belt , which was discovered on March 21, 1993 during the Uppsala-ESO Surveys of Asteroids and Comets at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809). The asteroid had already been sighted in 1985 at the Crimean Observatory in Nautschnyj , on September 21 (1985 SZ 5 ), October 18 (1985 UH 6 ) and November 12 (1985 VY 5 ).

The asteroid is a member of the Koronis family, a group of asteroids named after (158) Koronis . The ageless (not osculating ) orbital elements of (6797) Östersund are almost identical with those of five smaller (when one of the absolute brightness , 14.5, 15.0, 15.0, 15.7 and 16.7 compared to 12 5) Asteroids: (21993) 1999 XH 26 , (69843) 1998 SL 22 , (104678) 2000 GB 152 , (164546) 2006 JY 39 and (307385) 2002 SP 68 .

(6797) Östersund was named on September 28, 1999 after the Swedish city ​​of Östersund .

See also

Web links

Individual evidence

  1. (6797) Östersund at the IAU Minor Planet Center (English)
  2. The family status of the asteroids in the AstDyS-2 database (English, HTML; 51.4 MB)