(133243) Essen Main-belt Asteroid
Discovered on 2 September 2003 by T. Payer at Essen.
Essen, in the German agglomeration “Ruhrgebiet”, is the former center of German heavy industry. It has emerged as a modern city with various scientific and cultural activities. Essen is the location of the observatory where this minor planet was discovered.Naming citation (20091004/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Essen is today
Seen from above the solar system on 2026-10-14: Essen is 2.72 au from the Sun and 3.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 133243 |
| Provisional designation | 2003 RT1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.86 |
| Orbital period | 4.19 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.47 – 2.73 au |
| Eccentricity | 0.0497 |
| Inclination | 7.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.47 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.