(367436) Siena Main-belt Asteroid
Discovered on 27 September 2008 by Karge, S., Schwab, E. at Taunus.
Siena is an Italian city in the region of Tuscany, known for its beautiful medieval cityscape and the Palio, a horse race held twice a year. The historic center has been declared a World Heritage Site by UNESCO.Naming citation (MPC batch dated 2016-08-18), IAU / Minor Planet Center, via NASA/JPL
👶 Siena as a baby name🐶 Siena as a dog name
Where Siena is today
Seen from above the solar system on 2026-10-14: Siena is 3.19 au from the Sun and 3.36 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 367436 |
| Provisional designation | 2008 SM83 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.53 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.68 – 3.61 au |
| Eccentricity | 0.149 |
| Inclination | 4.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.