(117565) Alanstrauss Main-belt Asteroid
Discovered on 3 March 2005 by CSS at Catalina.
Alan Strauss (b. 1969) is an American educator. As Director of the University of Arizona Mt. Lemmon Sky Center and Sky School (2012–2023), he led the expansion of astronomical public outreach and K-12 formal STEM education programs at the facility. In 2023 he became the Head of Education and Outreach with the Vera C. Rubin Observatory.Naming citation (WGSBN Bull. 3, #15, 12), IAU / Minor Planet Center, via NASA/JPL
Where Alanstrauss is today
Seen from above the solar system on 2026-10-14: Alanstrauss is 2.84 au from the Sun and 1.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 117565 |
| Provisional designation | 2005 EN29 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.33 km (#14,411 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.231 |
| Absolute magnitude (H) | 14.8 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.54 – 3.03 au |
| Eccentricity | 0.0892 |
| Inclination | 13.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alan
- (3695) Fiala
- (6227) Alanrubin
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- (9250) Chamberlin
- (9291) Alanburdick
- (10113) Alantitle
- (10204) Turing
- (10373) MacRobert
- (12431) Webster
All asteroids named after someone called Alan
Also discovered on 3 March 2005
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- (117563) Hollyoscarson
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