(12649) Ascanios Jupiter Trojan
Discovered on 16 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Ascanios was the son of Aeneas. He is also named Julus and became under this name the ancestor of the Julius family.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ascanios is today
Seen from above the solar system on 2026-10-14: Ascanios is 5.58 au from the Sun and 5.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12649 |
| Provisional designation | 2035 T-3 |
| Orbit class | Jupiter Trojan |
| Diameter | 25.1 km (#1,688 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Absolute magnitude (H) | 11.83 |
| Orbital period | 11.8 years |
| Semi-major axis | 5.18 au |
| Perihelion – aphelion | 4.41 – 5.95 au |
| Eccentricity | 0.149 |
| Inclination | 6.56° |
| Closest distance between its orbit and Earth's (MOID) | 3.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 October 1977
- (3798) de Jager
- (3936) Elst
- (4044) Erikhog
- (4108) Rakos
- (4722) Agelaos
- (4753) Phidias
- (4754) Panthoos
- (5610) Balster
- (5699) Munch
- (5700) Homerus
- (5984) Lysippus
- (6055) Brunelleschi