(3635) Kreutz Mars-crossing Asteroid
Discovered on 21 November 1981 by L. Kohoutek at Calar Alto.
Heinrich Carl Friedrich Kreutz (1854-1907), astronomer at the Kiel Observatory and from 1896 editor of the Astronomische Nachrichten, is renowned for his seminal three-part study of the family of bright sungrazing comets, now known as the Kreutz Group. The name was suggested by M. Meyer, R. Kracht and B. G. Marsden.Naming citation (20041126/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kreutz is today
Seen from above the solar system on 2026-10-14: Kreutz is 1.94 au from the Sun and 1.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3635 |
| Provisional designation | 1981 WO1 |
| Orbit class | Mars-crossing Asteroid |
| Rotation period | 280 hours |
| Spectral type | S |
| Absolute magnitude (H) | 14.86 |
| Orbital period | 2.40 years |
| Semi-major axis | 1.79 au |
| Perihelion – aphelion | 1.64 – 1.95 au |
| Eccentricity | 0.0843 |
| Inclination | 19.2° |
| Closest distance between its orbit and Earth's (MOID) | 0.718 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Heinrich
- (4297) Eichhorn
- (5762) Wanke
- (7873) Boll
- (8053) Kleist
- (8811) Waltherschmadel
- (9133) d'Arrest
- (10509) Heinrichkayser
- (15273) Ruhmkorff
- (15724) Zille
- (16761) Hertz
- (31032) Scheidemann
- (215868) Rohrer
All asteroids named after someone called Heinrich