Stefano Sposetti (born 22 December 1958) is a Swiss amateur astronomer, and a prolific discoverer of minor planets. He lives in Gnosca, in the Italian-speaking part of Switzerland in the Ticino Alps, where the Gnosca Observatory is located.
Sposetti took images of 2004 FH, an Aten asteroid which made a sub-lunar flyby of Earth. In addition, he detects the optical counterparts of gamma-ray bursts and conducts transit photometry on exoplanets at his observatory.
As of 2019, Sposetti's discoveries include 164 minor planets (numbered only). The Minor Planet Center ranks him 70th in the list of all-time, worldwide discoverers. Asteroid 22354 Sposetti has been named after him.
|see § List of discovered minor planets|
List of discovered minor planetsEdit
- "Minor Planet Electronic Circular 2004-F26 : 2004 FH". International Astronomical Union - MPC.
- "Minor Planet Discoverers (Alphabetically)". Minor Planet Center. Retrieved 15 March 2011.
- Dauvergne, J. L. (21 February 2011). "L'impact d'une météorite sur la Lune observé par deux amateurs" (in French). Ciel et Espace. Retrieved 15 March 2011.
- "GRB". Osservatorio Astronomico di Gnosca. Retrieved 9 September 2015.
- "Minor Planet Discoverers (by number)". Minor Planet Center. 25 October 2018. Retrieved 19 February 2019.
- "22354 Sposetti (1992 UR8)". Minor Planet Center. Retrieved 19 February 2019.
- 143–Gnosca – The astronomical observatory (official website of the Osservatorio Astronomico di Gnosca)