(1192) Prisma Main-belt Asteroid

Discovered on 17 March 1931 by A. Schwassmann at Bergedorf.

Where Prisma is today

MercuryVenusEarthEarthMarsMarsPrismaPrisma

Seen from above the solar system on 2026-10-14: Prisma is 2.76 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.

Facts

Number1192
Provisional designation1931 FE
Orbit classMain-belt Asteroid
Diameter7.38 km (#7,232 largest of 17,440 named asteroids with a measured size)
Albedo0.220
Rotation period6.56 hours
Absolute magnitude (H)12.72
Orbital period3.64 years
Semi-major axis2.37 au
Perihelion – aphelion1.75 – 2.98 au
Eccentricity0.259
Inclination23.9°
Closest distance between its orbit and Earth's (MOID)0.825 au

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

More named asteroids discovered by A. Schwassmann