(212998) Tolbachik Inner Main-belt Asteroid
Discovered on 16 October 1977 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
This Hungaria minor planet is named for the complex volcano Tolbachik on the Kamchatka Peninsula in the Russian Far East. The highest summit rises to 3682 meters.Naming citation (MPC batch dated 2014-02-14), IAU / Minor Planet Center, via NASA/JPL
Where Tolbachik is today
Seen from above the solar system on 2026-10-14: Tolbachik is 1.84 au from the Sun and 1.38 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 212998 |
| Provisional designation | 3931 T-3 |
| Orbit class | Inner Main-belt Asteroid |
| Absolute magnitude (H) | 16.83 |
| Orbital period | 2.74 years |
| Semi-major axis | 1.96 au |
| Perihelion – aphelion | 1.84 – 2.08 au |
| Eccentricity | 0.0606 |
| Inclination | 21.0° |
| Closest distance between its orbit and Earth's (MOID) | 0.869 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 October 1977
- (3798) de Jager
- (3936) Elst
- (4044) Erikhog
- (4108) Rakos
- (4722) Agelaos
- (4753) Phidias
- (4754) Panthoos
- (5610) Balster
- (5699) Munch
- (5700) Homerus
- (5984) Lysippus
- (6055) Brunelleschi