(12195) Johndavidniemann Main-belt Asteroid
Discovered on 25 June 1979 by Helin, E. F., Bus, S. J. at Siding Spring.
John David Niemann (b. 1984) contributed to NASA's Lucy Trojan asteroid mission as the Lucy Mission Assurance Manager. He is a time traveler, moving through life at the speed of 1x.Naming citation (WGSBN Bull. 1, #9, 9), IAU / Minor Planet Center, via NASA/JPL
Where Johndavidniemann is today
Seen from above the solar system on 2026-10-14: Johndavidniemann is 2.49 au from the Sun and 2.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12195 |
| Provisional designation | 1979 MM4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.59 km (#13,726 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Absolute magnitude (H) | 16.17 |
| Orbital period | 3.25 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.82 – 2.56 au |
| Eccentricity | 0.168 |
| Inclination | 2.80° |
| Closest distance between its orbit and Earth's (MOID) | 0.811 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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