(25139) Roatsch Main-belt Asteroid
Discovered on 22 September 1998 by LONEOS at Anderson Mesa.
Thomas Roatsch (b. 1958) is a cartographer of planetary satellite and asteroid surfaces working at the Deutsches Zentrum für Luft- und Raumfahrt (DLR) in Berlin. He developed a mosaic atlas of Vesta as one of the key data products from the Dawn mission.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Roatsch is today
Seen from above the solar system on 2026-10-14: Roatsch is 2.69 au from the Sun and 1.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 25139 |
| Provisional designation | 1998 SN25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.55 km (#7,051 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0880 |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.56 – 3.00 au |
| Eccentricity | 0.0790 |
| Inclination | 5.53° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Thomas
- (4008) Corbin
- (4739) Tomahrens
- (4830) Thomascooley
- (4897) Tomhamilton
- (5548) Thosharriot
- (6019) Telford
- (6361) Koppel
- (8236) Gainsborough
- (8382) Mann
- (8793) Thomasmuller
- (9460) McGlynn
- (9536) Statler
All asteroids named after someone called Thomas
Also discovered on 22 September 1998
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- (12908) Yagudina
- (13744) Rickline
- (14593) Everett
- (15017) Cuppy
- (22719) Nakadori
- (23882) Fredcourant
- (23890) Quindou
- (25140) Schmedemann
- (28107) Sapar
- (29614) Sheller
- (52873) Grootaerd