(1985) Hopmann Main-belt Asteroid

Discovered on 13 January 1929 by K. Reinmuth at Heidelberg.

Where Hopmann is today

MercuryVenusEarthEarthMarsMarsHopmannHopmann

Seen from above the solar system on 2026-10-14: Hopmann is 3.56 au from the Sun and 2.62 au from Earth. Computed from JPL's orbital elements.

Facts

Number1985
Provisional designation1929 AE
Orbit classMain-belt Asteroid
Diameter35.5 km (#1,136 largest of 17,440 named asteroids with a measured size)
Albedo0.0390
Rotation period17.5 hours
Absolute magnitude (H)10.84
Orbital period5.51 years
Semi-major axis3.12 au
Perihelion – aphelion2.63 – 3.61 au
Eccentricity0.157
Inclination17.2°
Closest distance between its orbit and Earth's (MOID)1.67 au

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

Also discovered on 13 January 1929

More named asteroids discovered by K. Reinmuth