(12191) Vorontsova Main-belt Asteroid
Discovered on 9 October 1978 by L. V. Zhuravleva at Nauchnyj.
Margarita Alekseevna Vorontsova (b. 1923) is a pediatrician at the Simferopol children's hospital who has treated children for more than 50 years.Naming citation (20040504/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Vorontsova is today
Seen from above the solar system on 2026-10-14: Vorontsova is 3.26 au from the Sun and 4.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12191 |
| Provisional designation | 1978 TT8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.92 km (#10,765 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.383 |
| Absolute magnitude (H) | 13.43 |
| Orbital period | 4.18 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 1.88 – 3.31 au |
| Eccentricity | 0.275 |
| Inclination | 5.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.881 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Margarita
All asteroids named after someone called Margarita