(6814) Steffl Main-belt Asteroid

Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.

Andrew J. Steffl (b. 1977), an astronomer at the Southwest Research Institute in Boulder, Colorado, in July 2005 independently discovered Pluto's second and third satellites, using Hubble Space Telescope images.Naming citation (20060413/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Steffl is today

MercuryVenusEarthEarthMarsMarsStefflSteffl

Seen from above the solar system on 2026-10-14: Steffl is 2.73 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.

Facts

Number6814
Provisional designation1979 MC2
Orbit classMain-belt Asteroid
Diameter6.80 km (#7,873 largest of 17,440 named asteroids with a measured size)
Albedo0.264
Rotation period5.44 hours
Absolute magnitude (H)13.16
Orbital period4.75 years
Semi-major axis2.83 au
Perihelion – aphelion2.71 – 2.94 au
Eccentricity0.0403
Inclination2.17°
Closest distance between its orbit and Earth's (MOID)1.70 au

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

Also named after someone called Andrew

Also discovered on 25 June 1979

More named asteroids discovered by Helin, E. F., Bus, S. J.