(2780) Monnig Main-belt Asteroid

Discovered on 28 February 1981 by S. J. Bus at Siding Spring.

Where Monnig is today

MercuryVenusEarthEarthMarsMarsMonnigMonnig

Seen from above the solar system on 2026-10-14: Monnig is 1.98 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.

Facts

Number2780
Provisional designation1981 DO2
Orbit classMain-belt Asteroid
Diameter4.84 km (#10,929 largest of 17,440 named asteroids with a measured size)
Albedo0.267
Absolute magnitude (H)13.81
Orbital period3.25 years
Semi-major axis2.19 au
Perihelion – aphelion1.94 – 2.45 au
Eccentricity0.116
Inclination5.46°
Closest distance between its orbit and Earth's (MOID)0.936 au

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

Also discovered on 28 February 1981

More named asteroids discovered by S. J. Bus