(145709) Rocknowar Main-belt Asteroid
Discovered on 28 September 1981 by E. Colombini at Siding Spring.
“Rock No War” is an international association of volunteers based in Formigine in 1998 with the aim of bringing aid and of intervening in crisis situations involving children worldwide, without any distinction of race, religion or political allegiance. This will be symbolically the minor planet of solidarity.Naming citation (20081212/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rocknowar is today
Seen from above the solar system on 2026-10-14: Rocknowar is 2.16 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 145709 |
| Provisional designation | 1981 SK9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.26 km (#16,685 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.316 |
| Absolute magnitude (H) | 15.2 |
| Orbital period | 4.09 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.02 – 3.09 au |
| Eccentricity | 0.209 |
| Inclination | 13.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Rock
All asteroids named after someone called Rock