(4021) Dancey Main-belt Asteroid

Discovered on 30 August 1981 by E. Bowell at Anderson Mesa.

Where Dancey is today

MercuryVenusEarthEarthMarsMarsDanceyDancey

Seen from above the solar system on 2026-10-14: Dancey is 1.90 au from the Sun and 0.905 au from Earth. Computed from JPL's orbital elements.

Facts

Number4021
Provisional designation1981 QD2
Orbit classMain-belt Asteroid
Diameter4.54 km (#11,541 largest of 17,440 named asteroids with a measured size)
Albedo0.374
Rotation period4.11 hours
Absolute magnitude (H)13.7
Orbital period3.45 years
Semi-major axis2.28 au
Perihelion – aphelion1.90 – 2.67 au
Eccentricity0.170
Inclination3.54°
Closest distance between its orbit and Earth's (MOID)0.897 au

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

Also discovered on 30 August 1981

More named asteroids discovered by E. Bowell