(9764) Morgenstern Main-belt Asteroid
Discovered on 30 October 1991 by F. Borngen at Tautenburg.
Where Morgenstern is today
Seen from above the solar system on 2026-10-14: Morgenstern is 2.25 au from the Sun and 1.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9764 |
| Provisional designation | 1991 UE5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.39 km (#14,242 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.352 |
| Absolute magnitude (H) | 14.57 |
| Orbital period | 3.53 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.88 – 2.76 au |
| Eccentricity | 0.189 |
| Inclination | 7.21° |
| Closest distance between its orbit and Earth's (MOID) | 0.899 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.