(11249) Etna Outer Main-belt Asteroid
Discovered on 24 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Etna is the stratovolcano mountain above the Sicilian city of Catania. Its height is 3350 meters, and the last eruption was 2003. Etna's eruptions have been known since antiquity.Naming citation (20040713/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Etna is today
Seen from above the solar system on 2026-10-14: Etna is 4.00 au from the Sun and 4.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11249 |
| Provisional designation | 1971 FD |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 9.97 km (#5,118 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.371 |
| Absolute magnitude (H) | 12.29 |
| Orbital period | 7.84 years |
| Semi-major axis | 3.95 au |
| Perihelion – aphelion | 3.18 – 4.72 au |
| Eccentricity | 0.195 |
| Inclination | 14.5° |
| Closest distance between its orbit and Earth's (MOID) | 2.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 March 1971
- (1864) Daedalus
- (1870) Glaukos
- (1871) Astyanax
- (1872) Helenos
- (1877) Marsden
- (6672) Corot
- (6750) Katgert
- (23403) Boudewijnbuch