(12165) Ringleb Main-belt Asteroid
Discovered on 30 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Peter Ringleb (b. 1965), a neurologist in the apoplectic department of the Heidelberg University hospital, is a great leader who brings lots of experience to his outstanding team.Naming citation (20081113/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ringleb is today
Seen from above the solar system on 2026-10-14: Ringleb is 2.93 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12165 |
| Provisional designation | 3289 T-2 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.34 |
| Orbital period | 5.16 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.92 – 3.06 au |
| Eccentricity | 0.0227 |
| Inclination | 9.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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