(325558) Guyane Main-belt Asteroid
Discovered on 24 September 2009 by E. Schwab at Tzec Maun.
Guyane is the official name for French Guiana, an overseas region of France on the North Atlantic coast of South America. It is the location of the Centre Spatial Guyanais (Guiana Space Centre), the European Space Agency's launch site.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Guyane is today
Seen from above the solar system on 2026-10-14: Guyane is 3.00 au from the Sun and 2.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 325558 |
| Provisional designation | 2009 SP101 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.03 km (#10,567 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0400 |
| Absolute magnitude (H) | 15.91 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.92 – 3.37 au |
| Eccentricity | 0.0721 |
| Inclination | 13.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.98 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.