(365130) Birnfeld Main-belt Asteroid
Discovered on 23 February 2009 by F. Hormuth at Calar Alto.
Birnfeld is a small village located in the Hassberge Nature Park in northern Bavaria, Germany. This typical Franconian locality with half-timbered houses is dominated by a baroque castle. Hikers and night-sky observers find here ideal conditions for inspiring discoveries. Citation by T. G. Müller.Naming citation (MPC batch dated 2014-09-09), IAU / Minor Planet Center, via NASA/JPL
Where Birnfeld is today
Seen from above the solar system on 2026-10-14: Birnfeld is 2.55 au from the Sun and 3.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 365130 |
| Provisional designation | 2009 DU28 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.87 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.02 – 2.66 au |
| Eccentricity | 0.136 |
| Inclination | 6.84° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.