207 Hedda
Main-belt asteroid
Hedda (minor planet designation: 207 Hedda) is a sizeable Main belt asteroid. It is a C-type asteroid, meaning it is primitive in composition and dark in colour. This asteroid was discovered by Johann Palisa on October 17, 1879, in Pola and was named after Hedwig Winnecke (née Dell), wife of astronomer Friedrich A. T. Winnecke.[3]
Attempts to determine the rotation period for this asteroid have led to conflicting results. A study published in 2010 using photometric observations from Organ Mesa Observatory showed a rotation period of 19.489 ± 0.002 hours and a brightness variation of 0.18 ± 0.02 in magnitude.[2]
References
- ^ a b "207 Hedda". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
- ^ a b Pilcher, Frederick (January 2010), "Rotational Period Determination for 23 Thalia, 204 Kallisto and 207 Hedda, and Notes on 161 Athor and 215 Oenone", The Minor Planet Bulletin, 37 (1): 21–23, Bibcode:2010MPBu...37...21P.
- ^ Schmadel, L. (2003:31). Dictionary of minor planet names. Germany: Springer.
External links
- The Asteroid Orbital Elements Database
- Asteroid Albedo Compilation
- 207 Hedda at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 207 Hedda at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 206 Hersilia
- 207 Hedda
- 208 Lacrimosa
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