(17939) Shanethread Main-belt Asteroid
Discovered on 16 April 1999 by LINEAR at Socorro.
Shane Thread mentored a finalist in the 2020 Regeneron Science Talent Search, a science competition for high school seniors. He teaches at the Signature School, Evansville, Indiana.Naming citation (WGSBN Bull. 3, #11, 13), IAU / Minor Planet Center, via NASA/JPL
Where Shanethread is today
Seen from above the solar system on 2026-10-14: Shanethread is 1.94 au from the Sun and 2.21 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17939 |
| Provisional designation | 1999 HH8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.11 km (#10,416 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.563 |
| Rotation period | 5.10 hours |
| Absolute magnitude (H) | 13.62 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.94 – 2.53 au |
| Eccentricity | 0.131 |
| Inclination | 9.56° |
| Closest distance between its orbit and Earth's (MOID) | 0.932 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Shane
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