(3023) Heard Main-belt Asteroid

Discovered on 5 May 1981 by E. Bowell at Anderson Mesa.

Where Heard is today

MercuryVenusEarthEarthMarsMarsHeardHeard

Seen from above the solar system on 2026-10-14: Heard is 2.16 au from the Sun and 2.76 au from Earth. Computed from JPL's orbital elements.

Facts

Number3023
Provisional designation1981 JS
Orbit classMain-belt Asteroid
Diameter4.99 km (#10,635 largest of 17,440 named asteroids with a measured size)
Albedo0.257
Rotation period2.71 hours
Absolute magnitude (H)13.56
Orbital period3.30 years
Semi-major axis2.22 au
Perihelion – aphelion2.03 – 2.41 au
Eccentricity0.0855
Inclination4.00°
Closest distance between its orbit and Earth's (MOID)1.02 au

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

Also discovered on 5 May 1981

More named asteroids discovered by E. Bowell