(20952) Tydeus Jupiter Trojan
Discovered on 25 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Tydeus was an immortal hero, one of The Seven against Thebes. His son Diomedes was a great hero at Troy.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tydeus is today
Seen from above the solar system on 2026-10-14: Tydeus is 5.49 au from the Sun and 6.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20952 |
| Provisional designation | 5151 T-2 |
| Orbit class | Jupiter Trojan |
| Absolute magnitude (H) | 11.74 |
| Orbital period | 11.7 years |
| Semi-major axis | 5.16 au |
| Perihelion – aphelion | 4.73 – 5.60 au |
| Eccentricity | 0.0843 |
| Inclination | 9.99° |
| Closest distance between its orbit and Earth's (MOID) | 3.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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