(2855) Bastian Main-belt Asteroid

Discovered on 10 October 1931 by K. Reinmuth at Heidelberg.

Where Bastian is today

MercuryVenusEarthEarthMarsMarsBastianBastian

Seen from above the solar system on 2026-10-14: Bastian is 2.84 au from the Sun and 3.19 au from Earth. Computed from JPL's orbital elements.

Facts

Number2855
Provisional designation1931 TB2
Orbit classMain-belt Asteroid
Diameter9.02 km (#5,744 largest of 17,440 named asteroids with a measured size)
Albedo0.105
Rotation period3.52 hours
Spectral typeSl
Absolute magnitude (H)13.3
Orbital period3.84 years
Semi-major axis2.45 au
Perihelion – aphelion2.04 – 2.87 au
Eccentricity0.169
Inclination8.14°
Closest distance between its orbit and Earth's (MOID)1.07 au

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

Also discovered on 10 October 1931

More named asteroids discovered by K. Reinmuth