(6516) Gruss Main-belt Asteroid

Discovered on 3 October 1988 by A. Mrkos at Klet.

Czech astronomer Gustav Gruss (1854-1922) was head of the Astronomical Institute of the Czech division of Charles University in Prague from 1891 to 1914. He studied the spectroscopy of variable stars. The name was suggested by J. Ticha and M. Šolc.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Gruss is today

MercuryVenusEarthEarthMarsMarsGrussGruss

Seen from above the solar system on 2026-10-14: Gruss is 2.65 au from the Sun and 3.59 au from Earth. Computed from JPL's orbital elements.

Facts

Number6516
Provisional designation1988 TC2
Orbit classMain-belt Asteroid
Diameter6.18 km (#8,660 largest of 17,440 named asteroids with a measured size)
Albedo0.0600
Rotation period13.0 hours
Absolute magnitude (H)14.78
Orbital period3.57 years
Semi-major axis2.34 au
Perihelion – aphelion1.87 – 2.81 au
Eccentricity0.201
Inclination1.70°
Closest distance between its orbit and Earth's (MOID)0.863 au

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

Also named after someone called Gustav

More named asteroids discovered by A. Mrkos