(26) Proserpina Main-belt Asteroid

Discovered on 5 May 1853 by R. Luther at Dusseldorf.

Where Proserpina is today

MercuryVenusEarthEarthMarsMarsProserpinaProserpina

Seen from above the solar system on 2026-10-14: Proserpina is 2.42 au from the Sun and 3.19 au from Earth. Computed from JPL's orbital elements.

Facts

Number26
Provisional designationA853 JA
Orbit classMain-belt Asteroid
Diameter94.8 km (#268 largest of 17,440 named asteroids with a measured size)
Albedo0.197
Rotation period13.1 hours
Spectral typeS
Absolute magnitude (H)7.48
Orbital period4.33 years
Semi-major axis2.66 au
Perihelion – aphelion2.42 – 2.89 au
Eccentricity0.0887
Inclination3.55°
Closest distance between its orbit and Earth's (MOID)1.41 au

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

More named asteroids discovered by R. Luther