(4003) Schumann Outer Main-belt Asteroid
Discovered on 8 March 1964 by F. Borngen at Tautenburg.
Where Schumann is today
Seen from above the solar system on 2026-10-14: Schumann is 3.68 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4003 |
| Provisional designation | 1964 ED |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 36.1 km (#1,100 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Rotation period | 5.75 hours |
| Absolute magnitude (H) | 11.48 |
| Orbital period | 6.34 years |
| Semi-major axis | 3.43 au |
| Perihelion – aphelion | 3.11 – 3.74 au |
| Eccentricity | 0.0928 |
| Inclination | 5.06° |
| Closest distance between its orbit and Earth's (MOID) | 2.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.