(11334) Rio de Janeiro

from Wikipedia, the free encyclopedia
Asteroid
(11334) Rio de Janeiro
Properties of the orbit ( animation )
Epoch:  December 9, 2014 ( JD 2,457,000.5)
Orbit type Middle main belt asteroid
Asteroid family Maria family
Major semi-axis 2.5798  AU
eccentricity 0.1596
Perihelion - aphelion 2.1681 AU - 2.9916 AU
Inclination of the orbit plane 15.5601 °
Length of the ascending node 44.7046 °
Argument of the periapsis 278.5079 °
Sidereal period 4.14 a
Mean orbital velocity 18.54 km / s
Physical Properties
Absolute brightness 13.3 mag
history
Explorer Eric Walter Elst
Date of discovery April 18, 1996
Another name 1996 HM 18 , 1979 FC 4 , 1980 PU 2 , 1997 UG 11 , 1999 CF 121
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.

(11334) Rio de Janeiro is an asteroid of the main central belt that was discovered on April 18, 1996 by the Belgian astronomer Eric Walter Elst at the La Silla Observatory of the European Southern Observatory in Chile ( IAU code 809). There had already been several unconfirmed sightings of the asteroid: on March 22, 1979 (1979 FC 4 ) at the Karl Schwarzschild Observatory in the Tautenburg Forest and in August 1980 (1980 PU 2 ) at the Siding Spring Observatory near Coonabarabran , New South Wales .

The asteroid belongs to the Maria family, a group of asteroids named after (170) Maria .

(11334) Rio de Janeiro was named after the Brazilian city ​​of Rio de Janeiro on March 2, 2000 .

Web links

Individual evidence

  1. (11334) Rio de Janeiro at the IAU Minor Planet Center (English)
  2. (11334) Rio de Janeiro in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).