(3941) Haydn Main-belt Asteroid
Discovered on 27 October 1973 by F. Borngen at Tautenburg.
Where Haydn is today
Seen from above the solar system on 2026-10-14: Haydn is 2.97 au from the Sun and 3.82 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3941 |
| Provisional designation | 1973 UU5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.01 km (#8,923 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.339 |
| Absolute magnitude (H) | 13.17 |
| Orbital period | 5.01 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.87 – 2.99 au |
| Eccentricity | 0.0201 |
| Inclination | 1.67° |
| Closest distance between its orbit and Earth's (MOID) | 1.89 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 27 October 1973
- (2424) Tautenburg
- (3245) Jensch
- (3540) Protesilaos
- (3826) Handel
- (4850) Palestrina
- (5157) Hindemith
- (12182) Storm
- (12659) Schlegel
- (18286) Kneipp
- (19914) Klagenfurt
- (39464) Poppelmann