632 Pyrrha is a minor planet orbiting the Sun.
Photometric observations of the minor planet in 2011 gave a rotation period of 4.1167±0.001 h with an amplitude of 0.40±0.04 in magnitude. This result rules out previous determinations of the period.[3]
References
- ^ "Pyrrhic". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ "632 Pyrrha (1907 YX)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- ^ Pilcher, Frederick (July 2011), "Rotation Period Determinations for 28 Bellona, 81 Terpsichore, 126 Velleda 150 Nuwa, 161 Athor, 419 Aurelia, and 632 Pyrrha", The Minor Planet Bulletin, 38 (3): 156–158, Bibcode:2011MPBu...38..156P.
External links
- 632 Pyrrha at AstDyS-2, Asteroids—Dynamic Site
- 632 Pyrrha at the JPL Small-Body Database
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