(299792) Celeritas Main-belt Asteroid
Discovered on 18 September 2006 by Spacewatch at Kitt Peak.
The speed of light in a vacuum, commonly denoted c, is a universal physical constant that is equal to 299,792,458 meters per second. The word “celeritas” means “speed” in Latin.Naming citation (WGSBN Bull. 4, #12, 16), IAU / Minor Planet Center, via NASA/JPL
Where Celeritas is today
Seen from above the solar system on 2026-10-14: Celeritas is 2.95 au from the Sun and 2.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 299792 |
| Provisional designation | 2006 SY93 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.37 |
| Orbital period | 5.08 years |
| Semi-major axis | 2.96 au |
| Perihelion – aphelion | 2.93 – 2.99 au |
| Eccentricity | 0.00986 |
| Inclination | 1.83° |
| Closest distance between its orbit and Earth's (MOID) | 1.91 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.