(221516) Bergen-Enkheim Inner Main-belt Asteroid
Discovered on 13 August 2006 by U. Suessenberger at Bergen-Enkheim.
Bergen-Enkheim is the easternmost borough of Frankfurt am Main. Since 2005 it has hosted the discoverer's observatory, which is dedicated to confirmation of near-Earth objects and research on minor planets.Naming citation (WGSBN Bull. 5, #28, 7), IAU / Minor Planet Center, via NASA/JPL
Where Bergen-Enkheim is today
Seen from above the solar system on 2026-10-14: Bergen-Enkheim is 1.87 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 221516 |
| Provisional designation | 2006 PR4 |
| Orbit class | Inner Main-belt Asteroid |
| Absolute magnitude (H) | 17.24 |
| Orbital period | 2.67 years |
| Semi-major axis | 1.92 au |
| Perihelion – aphelion | 1.70 – 2.14 au |
| Eccentricity | 0.115 |
| Inclination | 17.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.730 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.