(20963) Pisarenko Main-belt Asteroid
Discovered on 19 August 1977 by N. S. Chernykh at Nauchnyj.
Georgij Stepanovich Pisarenko (1910-2000), a specialist in mechanics and in the theory of the strength of materials, was head of both the Ukrainian Space Research Committee and the faculty at Kiev Polytechnical Institute.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pisarenko is today
Seen from above the solar system on 2026-10-14: Pisarenko is 2.83 au from the Sun and 3.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20963 |
| Provisional designation | 1977 QN1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.64 km (#8,071 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.304 |
| Rotation period | 3.14 hours |
| Absolute magnitude (H) | 13.14 |
| Orbital period | 4.24 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.14 – 3.10 au |
| Eccentricity | 0.183 |
| Inclination | 12.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.15 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 19 August 1977
- (2207) Antenor
- (2254) Requiem
- (2295) Matusovskij
- (2389) Dibaj
- (2564) Kayala
- (2793) Valdaj
- (3084) Kondratyuk
- (3557) Sokolsky
- (3738) Ots
- (6684) Volodshevchenko
- (7628) Evgenifedorov
- (7629) Foros