(2176) Donar Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Donar is today

MercuryVenusEarthEarthMarsMarsDonarDonar

Seen from above the solar system on 2026-10-14: Donar is 3.07 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.

Facts

Number2176
Provisional designation2529 P-L
Orbit classMain-belt Asteroid
Diameter11.4 km (#4,379 largest of 17,440 named asteroids with a measured size)
Albedo0.164
Rotation period4.71 hours
Absolute magnitude (H)12.31
Orbital period5.01 years
Semi-major axis2.93 au
Perihelion – aphelion2.77 – 3.09 au
Eccentricity0.0536
Inclination3.04°
Closest distance between its orbit and Earth's (MOID)1.76 au

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

Also discovered on 24 September 1960

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