(515) Athalia Main-belt Asteroid

Discovered on 20 September 1903 by M. F. Wolf at Heidelberg.

Where Athalia is today

MercuryVenusEarthEarthMarsMarsAthaliaAthalia

Seen from above the solar system on 2026-10-14: Athalia is 2.86 au from the Sun and 3.38 au from Earth. Computed from JPL's orbital elements.

Facts

Number515
Provisional designationA903 SH
Orbit classMain-belt Asteroid
Diameter41.2 km (#939 largest of 17,440 named asteroids with a measured size)
Albedo0.0390
Rotation period10.6 hours
Spectral typeI
Absolute magnitude (H)10.93
Orbital period5.51 years
Semi-major axis3.12 au
Perihelion – aphelion2.57 – 3.68 au
Eccentricity0.178
Inclination2.04°
Closest distance between its orbit and Earth's (MOID)1.58 au

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

Also discovered on 20 September 1903

More named asteroids discovered by M. F. Wolf