(280924) Eurypterus Main-belt Asteroid
Discovered on 5 January 2006 by CSS at Catalina.
Eurypterus is an extinct genus of sea scorpion from the Silurian period, about 430 million years ago. It was among the first arthropods to dominate coastal seas. The species Eurypterus remipes became the official state fossil of New York in 1984.Naming citation (WGSBN Bull. 6, #8, 5), IAU / Minor Planet Center, via NASA/JPL
Where Eurypterus is today
Seen from above the solar system on 2026-10-14: Eurypterus is 3.08 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 280924 |
| Provisional designation | 2006 AP22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.14 km (#12,415 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0540 |
| Absolute magnitude (H) | 15.97 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.22 – 3.15 au |
| Eccentricity | 0.173 |
| Inclination | 28.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.