(21075) Heussinger Main-belt Asteroid

Discovered on 12 September 1991 by Schmadel, L. D., Borngen, F. at Tautenburg.

Adalbert Heussinger (b. 1923) is a member of the Catholic order of Minorites. He was for 40 years confessor in St. Peter's Cathedral at the Vatican, where he absolved thousands of penitents of their sins. He is recognized as a distinguished scholar of theology and philosophy. The name was suggested by the first discoverer.Naming citation (20060613/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Heussinger is today

MercuryVenusEarthEarthMarsMarsHeussingerHeussinger

Seen from above the solar system on 2026-10-14: Heussinger is 2.82 au from the Sun and 2.94 au from Earth. Computed from JPL's orbital elements.

Facts

Number21075
Provisional designation1991 RF4
Orbit classMain-belt Asteroid
Diameter4.56 km (#11,507 largest of 17,440 named asteroids with a measured size)
Albedo0.0570
Absolute magnitude (H)15.65
Orbital period3.77 years
Semi-major axis2.42 au
Perihelion – aphelion1.99 – 2.85 au
Eccentricity0.178
Inclination2.23°
Closest distance between its orbit and Earth's (MOID)0.976 au

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

Also named after someone called Adalbert

Also discovered on 12 September 1991

More named asteroids discovered by Schmadel, L. D., Borngen, F.