(5243) Clasien Main-belt Asteroid

Discovered on 29 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Clasien is today

MercuryVenusEarthEarthMarsMarsClasienClasien

Seen from above the solar system on 2026-10-14: Clasien is 2.98 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.

Facts

Number5243
Provisional designation1246 T-2
Orbit classMain-belt Asteroid
Diameter13.9 km (#3,415 largest of 17,440 named asteroids with a measured size)
Albedo0.0460
Spectral typeC
Absolute magnitude (H)13.27
Orbital period4.64 years
Semi-major axis2.78 au
Perihelion – aphelion2.29 – 3.27 au
Eccentricity0.176
Inclination7.48°
Closest distance between its orbit and Earth's (MOID)1.29 au

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

Also discovered on 29 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.