(281140) Trier Main-belt Asteroid
Discovered on 16 February 2007 by Schwab, E., Kling, R. at Taunus.
The German city of Trier, birthplace of philosopher Karl Marx, was founded by the Romans in 16 BCE as Augusta Treverorum. Numerous historic monuments make Trier an outstanding testimony to the Roman Empire. The association Sternwarte Trier is heavily involved in astronomical education.Naming citation (MPC batch dated 2014-05-14), IAU / Minor Planet Center, via NASA/JPL
Where Trier is today
Seen from above the solar system on 2026-10-14: Trier is 2.67 au from the Sun and 2.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 281140 |
| Provisional designation | 2007 DO7 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.39 |
| Orbital period | 3.57 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.00 – 2.67 au |
| Eccentricity | 0.144 |
| Inclination | 3.74° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.