(248750) Asteroidday Main-belt Asteroid
Discovered on 4 September 2006 by M. Dawson at Roeser.
Asteroid Day is an annual global movement that brings people from around the world together to learn about asteroids and what we can do to protect our planet from asteroid impacts. The United Nations has proclaimed that Asteroid Day will be observed globally on June 30 every year.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL
Where Asteroidday is today
Seen from above the solar system on 2026-10-14: Asteroidday is 3.13 au from the Sun and 4.09 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 248750 |
| Provisional designation | 2006 RH1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.78 km (#11,055 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0370 |
| Absolute magnitude (H) | 16.07 |
| Orbital period | 4.50 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.29 – 3.16 au |
| Eccentricity | 0.159 |
| Inclination | 8.80° |
| Closest distance between its orbit and Earth's (MOID) | 1.30 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.