(4561) Lemeshev Main-belt Asteroid
Discovered on 13 September 1978 by N. S. Chernykh at Nauchnyj.
Where Lemeshev is today
Seen from above the solar system on 2026-10-14: Lemeshev is 2.97 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4561 |
| Provisional designation | 1978 RY5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.2 km (#5,003 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0890 |
| Absolute magnitude (H) | 13.58 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.17 – 2.98 au |
| Eccentricity | 0.158 |
| Inclination | 9.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 13 September 1978
- (2239) Paracelsus
- (2724) Orlov
- (2787) Tovarishch
- (2810) Lev Tolstoj
- (2883) Barabashov
- (3189) Penza
- (3359) Purcari
- (3710) Bogoslovskij
- (4392) Agita
- (5455) Surkov