(9545) Petrovedomosti Main-belt Asteroid
Discovered on 25 June 1984 by T. M. Smirnova at Nauchnyj.
The oldest Russian daily newspaper Sankt-Peterburgskie Vedomosti (“St. Petersburg News”) was founded in 1728. The great Russian scientist M. V. Lomonosov was one of the first editors-in-chief of the newspaper. The tenth anniversary of the resumption of its publication is celebrated in 2001.Naming citation (20010705/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Petrovedomosti is today
Seen from above the solar system on 2026-10-14: Petrovedomosti is 3.31 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9545 |
| Provisional designation | 1984 MQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.47 km (#5,437 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.103 |
| Rotation period | 5.66 hours |
| Absolute magnitude (H) | 13.54 |
| Orbital period | 4.48 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 1.98 – 3.46 au |
| Eccentricity | 0.273 |
| Inclination | 10.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.963 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.