(1437) Diomedes Jupiter Trojan
Discovered on 3 August 1937 by K. Reinmuth at Heidelberg.
Where Diomedes is today
Seen from above the solar system on 2026-10-14: Diomedes is 5.40 au from the Sun and 6.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1437 |
| Provisional designation | 1937 PB |
| Orbit class | Jupiter Trojan |
| Diameter | 118 km (#167 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Rotation period | 24.5 hours |
| Spectral type | DP |
| Absolute magnitude (H) | 8.14 |
| Orbital period | 12.0 years |
| Semi-major axis | 5.23 au |
| Perihelion – aphelion | 4.99 – 5.47 au |
| Eccentricity | 0.0459 |
| Inclination | 20.5° |
| Closest distance between its orbit and Earth's (MOID) | 4.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.