729 Watsonia
729 Watsonia is a rare-type asteroid and namesake of the Watsonia family from the central region of the asteroid belt. It was named after the Canadian-American astronomer James C. Watson. Watsonia occulted the star 54 Leonis (HIP 53417, a 4.3 Magnitude Star) on 2013 Mar 03 at 01:48.[3]
Description
This object is the namesake of the Watsonia family, an Asteroid family of approximately 100 asteroids that share similar spectral properties and orbital elements; hence they may have arisen from the same collisional event. All members have a relatively high orbital inclination.[4]
References
- ^ "watsonia". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ Yeomans, Donald K., "729 Watsonia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 5 May 2016.
- ^ Pier Paolo Ricci (29 November 2012), Almanacco astronomico 2013 Astronomical almanac 2013, Lulu.com, pp. 322–, ISBN 978-1-291-21157-3
- ^ Novaković, Bojan; et al. (November 2011), "Families among high-inclination asteroids", Icarus, vol. 216, no. 1, pp. 69–81, arXiv:1108.3740, Bibcode:2011Icar..216...69N, doi:10.1016/j.icarus.2011.08.016.
External links
- 729 Watsonia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 729 Watsonia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 728 Leonisis
- 729 Watsonia
- 730 Athanasia
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