(250955) Sorena Outer Main-belt Asteroid
Discovered on 3 February 2006 by Mt. Lemmon Survey at Mount Lemmon.
Sorena Svea Sorensen (1956–2025) was an American geologist and an expert on metamorphic petrology and geochemistry. She studied the formation of jade and jadeite, and the role of fluids in subduction zones. Sorena was Curator of the National Rock and Ore Collection at the Smithsonian Museum of Natural History, where she inspired many early career scientists.Naming citation (WGSBN Bull. 6, #3, 11), IAU / Minor Planet Center, via NASA/JPL
Where Sorena is today
Seen from above the solar system on 2026-10-14: Sorena is 3.75 au from the Sun and 4.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 250955 |
| Provisional designation | 2006 CF68 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 4.93 km (#10,740 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0660 |
| Absolute magnitude (H) | 15.3 |
| Orbital period | 6.40 years |
| Semi-major axis | 3.45 au |
| Perihelion – aphelion | 3.14 – 3.75 au |
| Eccentricity | 0.0875 |
| Inclination | 3.81° |
| Closest distance between its orbit and Earth's (MOID) | 2.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.