(253587) Cloutier Main-belt Asteroid
Discovered on 14 October 2003 by New Milford at New Milford.
Bill Cloutier (b. 1955), amateur astronomer and community educator, is current Chairman of the McCarthy Observatory Board of Directors and a founder of the facility. A proponent of science literacy and educational excellence, he has observed this minor planet.Naming citation (MPC batch dated 2018-10-26), IAU / Minor Planet Center, via NASA/JPL
Where Cloutier is today
Seen from above the solar system on 2026-10-14: Cloutier is 2.55 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 253587 |
| Provisional designation | 2003 TH10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.28 km (#17,395 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.171 |
| Absolute magnitude (H) | 17.37 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.86 – 2.71 au |
| Eccentricity | 0.186 |
| Inclination | 6.04° |
| Closest distance between its orbit and Earth's (MOID) | 0.865 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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