(25140) Schmedemann Main-belt Asteroid
Discovered on 22 September 1998 by LONEOS at Anderson Mesa.
Nico Schmedemann (b. 1978) is a researcher at the Institute of Geological Sciences, Freie Universität in Berlin. He is an expert in the study of cratering chronologies on asteroid and planetary satellite surfaces as a key to establishing timescales for major impact and resurfacing events.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Schmedemann is today
Seen from above the solar system on 2026-10-14: Schmedemann is 2.87 au from the Sun and 3.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25140 |
| Provisional designation | 1998 SU25 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.84 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 1.93 – 2.97 au |
| Eccentricity | 0.211 |
| Inclination | 5.38° |
| Closest distance between its orbit and Earth's (MOID) | 0.932 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 September 1998
- (12564) Ikeller
- (12908) Yagudina
- (13744) Rickline
- (14593) Everett
- (15017) Cuppy
- (22719) Nakadori
- (23882) Fredcourant
- (23890) Quindou
- (25139) Roatsch
- (28107) Sapar
- (29614) Sheller
- (52873) Grootaerd
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- (11187) Richoliver
- (11202) Teddunham
- (11374) Briantaylor
- (11377) Nye
- (11378) Dauria
- (11409) Horkheimer
← (25139) Roatsch · (25142) Hopf →