(541318) Mirasteilas Main-belt Asteroid
Discovered on 29 March 2011 by J. De Queiroz at Falera.
Mirasteilas is the Romansh word for “watch the stars” and the name of the observatory (MPC code B67) in Falera, Switzerland, where this minor planet was discovered. The observatory houses a 0.9-m Cassegrain telescope used for both scientific research, and public education through private and group demonstrations.Naming citation (WGSBN Bull. 6, #8, 12), IAU / Minor Planet Center, via NASA/JPL
Where Mirasteilas is today
Seen from above the solar system on 2026-10-14: Mirasteilas is 3.15 au from the Sun and 3.75 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 541318 |
| Provisional designation | 2011 FD61 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.93 |
| Orbital period | 5.47 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.90 – 3.31 au |
| Eccentricity | 0.0672 |
| Inclination | 8.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.90 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.