(25050) Michmadsen Main-belt Asteroid

Discovered on 17 August 1998 by LINEAR at Socorro.

Michael Kaergaard Madsen (b. 1988) was awarded second place in the 2008 Intel International Science and Engineering Fair for his environmental sciences team project. He attends the Vejle Technical High School, Vejle, Denmark.Naming citation (20080917/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Michmadsen is today

MercuryVenusEarthEarthMarsMarsMichmadsenMichmadsen

Seen from above the solar system on 2026-10-14: Michmadsen is 2.42 au from the Sun and 1.43 au from Earth. Computed from JPL's orbital elements.

Facts

Number25050
Provisional designation1998 QN50
Orbit classMain-belt Asteroid
Diameter3.40 km (#14,226 largest of 17,440 named asteroids with a measured size)
Albedo0.350
Rotation period9.75 hours
Absolute magnitude (H)14.69
Orbital period3.47 years
Semi-major axis2.29 au
Perihelion – aphelion1.97 – 2.61 au
Eccentricity0.140
Inclination5.29°
Closest distance between its orbit and Earth's (MOID)0.956 au

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

Also named after someone called Michael

Also discovered on 17 August 1998

More named asteroids discovered by LINEAR