(10558) Karlstad

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Asteroid
(10558) Karlstad
Properties of the orbit ( animation )
Epoch:  April 27, 2019 ( JD 2,458,600.5)
Orbit type Inner main belt asteroid
Major semi-axis 2.3442  AU
eccentricity 0.1296
Perihelion - aphelion 2.0403 AU - 2.6482 AU
Inclination of the orbit plane 5.6398 °
Length of the ascending node 190.4567 °
Argument of the periapsis 124.3902 °
Time of passage of the perihelion 19th June 2018
Sidereal period 3.59 a
Mean orbital velocity 19.45 km / s
Physical Properties
Medium diameter 3.474 km (± 0.072)
Albedo 0.227 (± 0.044)
Absolute brightness 14.5 mag
history
Explorer Eric Walter Elst
Date of discovery September 15, 1993
Another name 1993 RB 7 , 1992 GH 1
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.

(10558) Karlstad is an asteroid of the main inner belt discovered on September 15, 1993 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809). There were unconfirmed sightings of the asteroid on April 3 and 4, 1992 (1992 GH 1 ) at the Observatorio Astronómico Nacional de Llano del Hato in Venezuela .

The mean diameter of the asteroid was calculated to be 3.474 km (± 0.072).

According to the SMASS classification ( Small Main-Belt Asteroid Spectroscopic Survey ), a spectroscopic study by Gianluca Masi , Sergio Foglia and Richard P. Binzel at (10558) Karlstad assumed a bright surface, so it could, roughly speaking, be around trade an S asteroid .

(10558) Karlstad was named on March 2, 2000 after the Swedish city ​​of Karlstad .

Web links

Individual evidence

  1. (10558) Karlstad at the IAU Minor Planet Center (English)
  2. ^ Gianluca Masi, Sergio Foglia, Richard P. Binzel: Search for Unusual Spectroscopic Candidates Among 40313 minor planets from the 3rd Release of the Sloan Digital Sky Survey Moving Object Catalog . (English)
  3. subdivision of asteroids to S-types, C-types and V-types (English)