(959) Arne Main-belt Asteroid

Discovered on 30 September 1921 by K. Reinmuth at Heidelberg.

Where Arne is today

MercuryVenusEarthEarthMarsMarsArneArne

Seen from above the solar system on 2026-10-14: Arne is 3.72 au from the Sun and 4.67 au from Earth. Computed from JPL's orbital elements.

Facts

Number959
Provisional designationA921 SE
Orbit classMain-belt Asteroid
Diameter45.2 km (#852 largest of 17,440 named asteroids with a measured size)
Albedo0.0670
Rotation period124 hours
Absolute magnitude (H)10.75
Orbital period5.65 years
Semi-major axis3.17 au
Perihelion – aphelion2.46 – 3.88 au
Eccentricity0.224
Inclination4.49°
Closest distance between its orbit and Earth's (MOID)1.47 au

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

Also discovered on 30 September 1921

More named asteroids discovered by K. Reinmuth