(418) Alemannia Main-belt Asteroid

Discovered on 7 September 1896 by M. F. Wolf at Heidelberg.

Where Alemannia is today

MercuryVenusEarthEarthMarsMarsAlemanniaAlemannia

Seen from above the solar system on 2026-10-14: Alemannia is 2.35 au from the Sun and 1.65 au from Earth. Computed from JPL's orbital elements.

Facts

Number418
Provisional designationA896 RD
Orbit classMain-belt Asteroid
Diameter40.3 km (#963 largest of 17,440 named asteroids with a measured size)
Albedo0.201
Rotation period4.67 hours
Spectral typeM
Absolute magnitude (H)9.75
Orbital period4.18 years
Semi-major axis2.59 au
Perihelion – aphelion2.29 – 2.90 au
Eccentricity0.118
Inclination6.82°
Closest distance between its orbit and Earth's (MOID)1.30 au

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

Also discovered on 7 September 1896

More named asteroids discovered by M. F. Wolf