(6469) Armstrong

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Asteroid
(6469) Armstrong
Properties of the orbit ( animation )
Epoch:  July 31, 2016 ( JD 2,457,600.5)
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 TicháMiloš 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.