(6469) Armstrong
Asteroid (6469) Armstrong |
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Properties of the orbit ( animation ) | |
Orbit type | Inner main belt asteroid |
Major semi-axis | 2.2193 AU |
eccentricity | 0.2042 |
Perihelion - aphelion | 1.7660 AU - 2.6725 AU |
Inclination of the orbit plane | 3.9596 ° |
Length of the ascending node | 159.4117 ° |
Argument of the periapsis | 107.1022 ° |
Sidereal period | 3.31 a |
Physical Properties | |
Medium diameter | 3.720 (± 0.392) km |
Albedo | 0.243 (± 0.039) |
Absolute brightness | 14.5 mag |
history | |
Explorer | Antonin Mrkos |
Date of discovery | August 14, 1982 |
Another name | 1982 PC , 1969 UK 1 , 1972 NN, 1979 WZ 6 , 1982 QL |
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. |
(6469) Armstrong (provisional name 1982 PC) is an asteroid from the inner regions of the asteroid belt .
Description and track characteristics
(6469) Armstrong has an average diameter of about 3 or 4 kilometers and was discovered by the Czech astronomer Antonín Mrkos on August 14, 1982 at the Klet 'observatory .
It orbits the sun at a distance of 1.8 to 2.7 astronomical units , once every 3 years and 4 months (1208 days). Its orbit has an eccentricity of 0.20 and an inclination of 3.96 °.
Naming
The asteroid was named on the 30th anniversary of the Apollo 11 mission after the American astronaut Neil Armstrong , who was the first to step on the surface of the moon .
The name was suggested by the Czech astronomers Jana Tichá , Miloš Tichý and Zdeněk Moravec , who (6469) observed Armstrong in 1995. The name was adopted on May 4, 1999.
The asteroids (6470) Aldrin and (6471) Collins were also named after Apollo 11 astronauts.