(55866) Javiersierra Main-belt Asteroid
Discovered on 11 August 1997 by Lopez, A., Pacheco, R. at Costitx.
Javier Sierra Albert (b. 1971) is a Spanish writer and journalist known for his mystery novels and short stories. He is the only contemporary Spanish author to have made The New York Times bestseller list. Javier's work combines rigorous research with gripping narrative, making him a benchmark in the historical and mystery thriller genre.Naming citation (WGSBN Bull. 5, #9, 19), IAU / Minor Planet Center, via NASA/JPL
Where Javiersierra is today
Seen from above the solar system on 2026-10-14: Javiersierra is 2.68 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55866 |
| Provisional designation | 1997 PV4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.94 km (#17,092 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.426 |
| Rotation period | 30.7 hours |
| Absolute magnitude (H) | 15.48 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.86 – 2.69 au |
| Eccentricity | 0.184 |
| Inclination | 8.28° |
| Closest distance between its orbit and Earth's (MOID) | 0.844 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Javier
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