(6540) Stepling Main-belt Asteroid

Discovered on 16 September 1982 by A. Mrkos at Klet.

Named in memory of Joseph Stepling (1716-1778), founder and the first director of the astronomical observatory at the Jesuit college in Prague called Klementinum (1751). He was also known for introducing Newtonian physics to Prague. Name suggested by J. Ticha and M. Šolc.Naming citation (19980211/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Stepling is today

MercuryVenusEarthEarthMarsMarsSteplingStepling

Seen from above the solar system on 2026-10-14: Stepling is 2.57 au from the Sun and 3.56 au from Earth. Computed from JPL's orbital elements.

Facts

Number6540
Provisional designation1982 SL1
Orbit classMain-belt Asteroid
Diameter5.16 km (#10,331 largest of 17,440 named asteroids with a measured size)
Albedo0.241
Rotation period65.3 hours
Absolute magnitude (H)13.91
Orbital period3.25 years
Semi-major axis2.20 au
Perihelion – aphelion1.82 – 2.57 au
Eccentricity0.171
Inclination4.68°
Closest distance between its orbit and Earth's (MOID)0.819 au

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

Also named after someone called Joseph

Also discovered on 16 September 1982

More named asteroids discovered by A. Mrkos