(4098) Thraen Outer Main-belt Asteroid
Discovered on 26 November 1987 by F. Borngen at Tautenburg.
Where Thraen is today
Seen from above the solar system on 2026-10-14: Thraen is 3.51 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4098 |
| Provisional designation | 1987 WQ1 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 13.9 km (#3,437 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Absolute magnitude (H) | 13.16 |
| Orbital period | 5.78 years |
| Semi-major axis | 3.22 au |
| Perihelion – aphelion | 2.81 – 3.63 au |
| Eccentricity | 0.129 |
| Inclination | 2.93° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.