(3861) Lorenz Main-belt Asteroid
Discovered on 30 March 1910 by J. Helffrich at Heidelberg.
Where Lorenz is today
Seen from above the solar system on 2026-10-14: Lorenz is 3.04 au from the Sun and 2.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3861 |
| Provisional designation | A910 FA |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.18 km (#6,407 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.290 |
| Rotation period | 11.9 hours |
| Spectral type | S |
| Absolute magnitude (H) | 12.42 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.06 – 3.04 au |
| Eccentricity | 0.191 |
| Inclination | 5.69° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. Helffrich
- (697) Galilea
- (698) Ernestina
- (699) Hela
- (700) Auravictrix
- (701) Oriola
- (702) Alauda
- (706) Hirundo
- (708) Raphaela
- (709) Fringilla
- (713) Luscinia
- (714) Ulula
- (2056) Nancy
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