(418689) Gema Main-belt Asteroid
Discovered on 24 October 2008 by J. Lacruz at La Canada.
The Asociación deportiva GEMA (Grupo de Espeleólogia Murcielago Alegre), is a speleology group based in Gijon, Asturias, Spain. Founded in the late 1960s by a group of amateurs, generations of its members have explored many caves in the karst massif of Picos de Europa, in northern Spain.Naming citation (WGSBN Bull. 2, #3, 4), IAU / Minor Planet Center, via NASA/JPL
👶 Gema as a baby name🐶 Gema as a dog name
Where Gema is today
Seen from above the solar system on 2026-10-14: Gema is 2.93 au from the Sun and 3.35 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 418689 |
| Provisional designation | 2008 UQ4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.32 km (#12,005 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0650 |
| Absolute magnitude (H) | 15.69 |
| Orbital period | 5.52 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.67 – 3.58 au |
| Eccentricity | 0.144 |
| Inclination | 27.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.71 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.