(290181) Sigut Main-belt Asteroid
Discovered on 3 September 2005 by P. A. Wiegert at Mauna Kea.
Thomas Allan Aaron Sigut (b. 1966) is a Canadian astronomer who completed his PhD at the University of Toronto on infrared Rydberg transitions in B stars in 1995. He is known for his research on circumstellar disks around hot stars, classical Be stars, Herbig Ae/Be stars and non-LTE radiative transfer as applied to precise stellar abundance determinations.Naming citation (WGSBN Bull. 3, #3, 15), IAU / Minor Planet Center, via NASA/JPL
Where Sigut is today
Seen from above the solar system on 2026-10-14: Sigut is 2.96 au from the Sun and 3.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 290181 |
| Provisional designation | 2005 RZ50 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.21 km (#14,680 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Absolute magnitude (H) | 16.42 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.17 – 3.31 au |
| Eccentricity | 0.209 |
| Inclination | 6.71° |
| Closest distance between its orbit and Earth's (MOID) | 1.16 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Thomas
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All asteroids named after someone called Thomas