(541897) TRAPPIST Main-belt Asteroid
Discovered on 1 February 2012 by TRAPPIST at La Silla.
TRAPPIST (TRAnsiting Planets and PlanetesImals Small Telescopes) is a project of the University of Liège (Belgium) devoted to the study of exoplanets and comets and other small bodies. It consists of two 0.6-m robotic telescopes located at the La Silla Observatory in Chile and at the Oukaïmeden Observatory in Morocco.Naming citation (WGSBN Bull. 5, #12, 25), IAU / Minor Planet Center, via NASA/JPL
Where TRAPPIST is today
Seen from above the solar system on 2026-10-14: TRAPPIST is 2.64 au from the Sun and 2.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 541897 |
| Provisional designation | 2012 CK |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.07 |
| Orbital period | 4.20 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.27 – 2.93 au |
| Eccentricity | 0.127 |
| Inclination | 15.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.