(984) Gretia Main-belt Asteroid

Discovered on 27 August 1922 by K. Reinmuth at Heidelberg.

Where Gretia is today

MercuryVenusEarthEarthMarsMarsGretiaGretia

Seen from above the solar system on 2026-10-14: Gretia is 2.47 au from the Sun and 2.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number984
Provisional designationA922 QD
Orbit classMain-belt Asteroid
Diameter32.4 km (#1,256 largest of 17,440 named asteroids with a measured size)
Albedo0.421
Rotation period5.78 hours
Spectral typeSr
Absolute magnitude (H)9.56
Orbital period4.70 years
Semi-major axis2.80 au
Perihelion – aphelion2.26 – 3.35 au
Eccentricity0.195
Inclination9.09°
Closest distance between its orbit and Earth's (MOID)1.27 au

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

More named asteroids discovered by K. Reinmuth