(5152) Labs Main-belt Asteroid
Discovered on 18 October 1931 by K. Reinmuth at Heidelberg.
Dietrich Labs (b. 1921) is a German astrophysicist and professor at Heidelberg University and Königstuhl Observatory. He specialized in the exploration of the solar spectral energy distribution and contributed to the success of SOLSPEC on several space missions, leading to the detection of solar ultraviolet variations.Naming citation (20070106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Labs is today
Seen from above the solar system on 2026-10-14: Labs is 2.96 au from the Sun and 3.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5152 |
| Provisional designation | 1931 UD |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.65 km (#8,059 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.276 |
| Rotation period | 3.88 hours |
| Absolute magnitude (H) | 13.25 |
| Orbital period | 4.26 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.16 – 3.09 au |
| Eccentricity | 0.178 |
| Inclination | 12.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.17 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Dietrich
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- (12327) Terbruggen
- (14327) Lemke
- (42482) Fischer-Dieskau
- (331105) Giselher
- (429084) Dietrichrex
All asteroids named after someone called Dietrich