(6469) Armstrong Main-belt Asteroid

Discovered on 14 August 1982 by A. Mrkos at Klet.

Where Armstrong is today

MercuryVenusEarthEarthMarsMarsArmstrongArmstrong

Seen from above the solar system on 2026-10-14: Armstrong is 2.59 au from the Sun and 2.62 au from Earth. Computed from JPL's orbital elements.

Facts

Number6469
Provisional designation1982 PC
Orbit classMain-belt Asteroid
Diameter3.72 km (#13,408 largest of 17,440 named asteroids with a measured size)
Albedo0.243
Rotation period5.96 hours
Absolute magnitude (H)14.56
Orbital period3.31 years
Semi-major axis2.22 au
Perihelion – aphelion1.77 – 2.67 au
Eccentricity0.204
Inclination3.96°
Closest distance between its orbit and Earth's (MOID)0.753 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 14 August 1982

More named asteroids discovered by A. Mrkos