(13387) Irus Jupiter Trojan
Discovered on 22 December 1998 by Farra d'Isonzo at Farra d'Isonzo.
The mythological Greek beggar Irus defied and, in the presence of Penelope's suitors, was defeated by Ulysses on his return to Ithaca.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Irus is today
Seen from above the solar system on 2026-10-14: Irus is 5.68 au from the Sun and 6.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13387 |
| Provisional designation | 1998 YW6 |
| Orbit class | Jupiter Trojan |
| Diameter | 19.0 km (#2,352 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0930 |
| Absolute magnitude (H) | 12.23 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.71 – 5.70 au |
| Eccentricity | 0.0952 |
| Inclination | 7.25° |
| Closest distance between its orbit and Earth's (MOID) | 3.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 December 1998
- (13815) Furuya
- (14654) Rajivgupta
- (15057) Whitson
- (15058) Billcooke
- (25312) Asiapossenti
- (44527) Tonnon
- (49441) Scerbanenco
- (49443) Marcobondi
- (91213) Botchan
- (121001) Liangshanxichang