(11554) Asios Jupiter Trojan
Discovered on 22 January 1993 by E. W. Elst at La Silla.
Asios was a Trojan warrior and one of the leaders in the assault on the Greek wall. He challenged Idomeneos and was killed by him.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Asios is today
Seen from above the solar system on 2026-10-14: Asios is 5.62 au from the Sun and 5.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11554 |
| Provisional designation | 1993 BZ12 |
| Orbit class | Jupiter Trojan |
| Diameter | 41.6 km (#928 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Absolute magnitude (H) | 10.5 |
| Orbital period | 12.1 years |
| Semi-major axis | 5.28 au |
| Perihelion – aphelion | 4.95 – 5.62 au |
| Eccentricity | 0.0637 |
| Inclination | 13.7° |
| Closest distance between its orbit and Earth's (MOID) | 3.95 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.