(154865) Stefanheutz Main-belt Asteroid

Discovered on 9 September 2004 by W. Ries at Altschwendt.

Stefan Heutz (b. 1980) is a German jurist and amateur astrophotographer. His pictures and articles are published in books, magazines and in the internet. The naming of this minor planet is in appreciation of his efforts to encourage and promote astronomy.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Stefanheutz is today

MercuryVenusEarthEarthMarsMarsStefanheutzStefanheutz

Seen from above the solar system on 2026-10-14: Stefanheutz is 3.23 au from the Sun and 4.16 au from Earth. Computed from JPL's orbital elements.

Facts

Number154865
Provisional designation2004 RO84
Orbit classMain-belt Asteroid
Diameter3.49 km (#13,984 largest of 17,440 named asteroids with a measured size)
Albedo0.132
Absolute magnitude (H)15.58
Orbital period4.80 years
Semi-major axis2.84 au
Perihelion – aphelion2.45 – 3.24 au
Eccentricity0.138
Inclination15.2°
Closest distance between its orbit and Earth's (MOID)1.46 au

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

Also named after someone called Stefan

Also discovered on 9 September 2004

More named asteroids discovered by W. Ries