(9761) Krautter Main-belt Asteroid

Discovered on 13 September 1991 by Schmadel, L. D., Borngen, F. at Tautenburg.

Joachim Krautter (b. 1948) is associate director of the Heidelberg Königstuhl Observatory and a well-known expert on pre-main-sequence stars and novae. He is also engaged in European astronomical organizations and serves as president of the Astronomische Gesellschaft (2002-2005).Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Krautter is today

MercuryVenusEarthEarthMarsMarsKrautterKrautter

Seen from above the solar system on 2026-10-14: Krautter is 2.37 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.

Facts

Number9761
Provisional designation1991 RR4
Orbit classMain-belt Asteroid
Diameter2.95 km (#15,348 largest of 17,440 named asteroids with a measured size)
Albedo0.425
Absolute magnitude (H)14.65
Orbital period3.40 years
Semi-major axis2.26 au
Perihelion – aphelion1.90 – 2.62 au
Eccentricity0.159
Inclination3.60°
Closest distance between its orbit and Earth's (MOID)0.906 au

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

Also named after someone called Joachim

Also discovered on 13 September 1991

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