996 Hilaritas
Main-belt asteroid
996 Hilaritas is a Themistian asteroid. It was discovered in 1923 by Austrian astronomer Johann Palisa. Following Palisa's death in 1925, this asteroid was named for a "happy or contented mind"; qualities associated with the discoverer.[2]
Photometric observations of this asteroid collected during 2010 show a rotation period of 10.052 ± 0.001 hours with a brightness variation of 0.65 ± 0.03 magnitude.[3]
References
- ^ "996 Hilaritas (1923 NM)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 2 May 2016.
- ^ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names (6th ed.), Springer, p. 85, ISBN 3642297188.
- ^ Strabla, Luca; Quadri, Ulisse; Girelli, Roberto (January 2011), "Lightcurve Analysis of 996 Hilaritas", The Minor Planet Bulletin, 38 (1): 14–15, Bibcode:2011MPBu...38...14S.
External links
- 996 Hilaritas at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 996 Hilaritas at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 995 Sternberga
- 996 Hilaritas
- 997 Priska
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