(9158) Plate Main-belt Asteroid
Discovered on 25 June 1984 by T. M. Smirnova at Nauchnyj.
Nikolaj Alfredovich Platè (b. 1934), chief scientific secretary of the Russian Academy of Sciences and director of the Institute of Petrochemical Synthesis in Moscow, is known for the synthesis of thermotropic liquid crystalline polymers, polymeric systems for drug targeting and membrane technology for gas separation.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Plate is today
Seen from above the solar system on 2026-10-14: Plate is 1.95 au from the Sun and 1.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9158 |
| Provisional designation | 1984 MR |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.73 km (#11,154 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.314 |
| Rotation period | 5.16 hours |
| Absolute magnitude (H) | 13.72 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.95 – 2.65 au |
| Eccentricity | 0.152 |
| Inclination | 7.70° |
| Closest distance between its orbit and Earth's (MOID) | 0.939 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Nikolaj
- (2233) Kuznetsov
- (2238) Steshenko
- (2342) Lebedev
- (3958) Komendantov
- (4067) Mikhel'son
- (4208) Kiselev
- (4233) Pal'chikov
- (4654) Gor'kavyj
- (5075) Goryachev
- (5087) Emel'yanov
- (5158) Ogarev
- (6483) Nikolajvasil'ev
All asteroids named after someone called Nikolaj