(12145) Behaim Main-belt Asteroid
Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Martin Behaim (1459-1507) was a German merchant, astronomer and cosmographer from Nürnberg. He traveled through Europe and became a Portuguese knight. He developed the earliest terrestrial globe, Erdapfel, or ‘Earth Apple’, with a diameter of about 50 cm.Naming citation (20101128/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Behaim is today
Seen from above the solar system on 2026-10-14: Behaim is 2.75 au from the Sun and 2.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12145 |
| Provisional designation | 4730 P-L |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.46 |
| Orbital period | 4.35 years |
| Semi-major axis | 2.66 au |
| Perihelion – aphelion | 2.43 – 2.89 au |
| Eccentricity | 0.0862 |
| Inclination | 4.75° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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