(11509) Thersilochos Jupiter Trojan
Discovered on 15 November 1990 by E. W. Elst at La Silla.
Thersilochos was a Trojan warrior from the rich valleys of Paeonia. He showed up, together with Hector, at the battle for the dead body of Patrocles. He was later killed by Achilles.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Thersilochos is today
Seen from above the solar system on 2026-10-14: Thersilochos is 5.20 au from the Sun and 4.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11509 |
| Provisional designation | 1990 VL6 |
| Orbit class | Jupiter Trojan |
| Diameter | 50.0 km (#753 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Rotation period | 17.4 hours |
| Absolute magnitude (H) | 10.23 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.18 au |
| Perihelion – aphelion | 4.43 – 5.92 au |
| Eccentricity | 0.143 |
| Inclination | 18.5° |
| Closest distance between its orbit and Earth's (MOID) | 3.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 November 1990
- (5827) Letunov
- (5966) Tomeko
- (7469) Krikalev
- (7651) Villeneuve
- (8849) Brighton
- (8850) Bignonia
- (9176) Struchkova
- (9951) Tyrannosaurus
- (10092) Sasaki
- (10770) Belo Horizonte
- (10771) Ouro Preto
- (11051) Racine
More named asteroids discovered by E. W. Elst
- (3631) Sigyn
- (3784) Chopin
- (3870) Mayre
- (3903) Kliment Ohridski
- (3910) Liszt
- (3912) Troja
- (3918) Brel
- (4038) Kristina
- (4226) Damiaan
- (4342) Freud
- (4344) Buxtehude
- (4345) Rachmaninoff
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