(2786) Grinevia Main-belt Asteroid
Discovered on 6 September 1978 by N. S. Chernykh at Nauchnyj.
Where Grinevia is today
Seen from above the solar system on 2026-10-14: Grinevia is 2.97 au from the Sun and 3.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2786 |
| Provisional designation | 1978 RR5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.5 km (#4,830 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.255 |
| Rotation period | 2.91 hours |
| Absolute magnitude (H) | 12.15 |
| Orbital period | 4.21 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.15 – 3.06 au |
| Eccentricity | 0.175 |
| Inclination | 13.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.