(156880) Bernardtregon Main-belt Asteroid
Discovered on 4 March 2003 by St. Veran at St. Veran.
French amateur astronomer Bernard Tregon (b. 1968), from Bretagne, is a friend of Michel Hernandez, one of the discoverers of this minor planet. Tregon, who specializes in interferometry, often uses the amateur telescope at Pic du Midi.Naming citation (WGSBN Bull. 3, #12, 8), IAU / Minor Planet Center, via NASA/JPL
Where Bernardtregon is today
Seen from above the solar system on 2026-10-14: Bernardtregon is 2.38 au from the Sun and 2.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 156880 |
| Provisional designation | 2003 ES1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.0 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 2.34 – 2.41 au |
| Eccentricity | 0.0156 |
| Inclination | 2.95° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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