(5637) Gyas Jupiter Trojan
Discovered on 10 September 1988 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Where Gyas is today
Seen from above the solar system on 2026-10-14: Gyas is 5.50 au from the Sun and 5.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5637 |
| Provisional designation | 1988 RF1 |
| Orbit class | Jupiter Trojan |
| Diameter | 28.2 km (#1,468 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0560 |
| Absolute magnitude (H) | 11.65 |
| Orbital period | 11.9 years |
| Semi-major axis | 5.20 au |
| Perihelion – aphelion | 4.57 – 5.84 au |
| Eccentricity | 0.122 |
| Inclination | 22.4° |
| Closest distance between its orbit and Earth's (MOID) | 3.57 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.