(20018) Paulgray Main-belt Asteroid
Discovered on 29 October 1991 by Ueda, S., Kaneda, H. at Kushiro.
Paul Michael Gray (b. 1972) is a Canadian amateur astronomer who has served as President of both the RASC Halifax Centre and the RASC New Brunswick Centre. He edited the RASC Observer’s Calendar from 2013 to 2022. Gray was co-discoverer of SN 1995F, the first supernova discovered from Canada.Naming citation (WGSBN Bull. 3, #15, 7), IAU / Minor Planet Center, via NASA/JPL
Where Paulgray is today
Seen from above the solar system on 2026-10-14: Paulgray is 2.29 au from the Sun and 1.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20018 |
| Provisional designation | 1991 UJ2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.45 km (#11,741 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.204 |
| Rotation period | 7.59 hours |
| Absolute magnitude (H) | 13.99 |
| Orbital period | 3.50 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.94 – 2.67 au |
| Eccentricity | 0.158 |
| Inclination | 5.33° |
| Closest distance between its orbit and Earth's (MOID) | 0.933 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Paul
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