(11257) Rodionta Main-belt Asteroid
Discovered on 3 October 1978 by N. S. Chernykh at Nauchnyj.
Tatiana Vladimirovna Rodionova (b. 1964) is an engineer in Orenburg, wife of Igor' Victorovich Rodionov, building engineer, and the discoverer's friend.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rodionta is today
Seen from above the solar system on 2026-10-14: Rodionta is 2.63 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11257 |
| Provisional designation | 1978 TP2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.44 km (#8,324 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0680 |
| Absolute magnitude (H) | 14.71 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.96 – 2.67 au |
| Eccentricity | 0.153 |
| Inclination | 4.31° |
| Closest distance between its orbit and Earth's (MOID) | 0.973 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Tatiana
All asteroids named after someone called Tatiana