Astronomy:HD 212301 b

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Short description: Extrasolar planet in the constellation Octans
HD 212301 b
Discovery
Discovered byLo Curto et al.
Discovery siteLa Silla Observatory
Discovery dateAugust 22, 2005
Doppler spectroscopy
Orbital characteristics
astron|astron|helion}}0.0341 AU (5,100,000 km)
astron|astron|helion}}0.0341 AU (5,100,000 km)
0.0341 AU (5,100,000 km)
Eccentricity0
Orbital period2.24572 ± 28 d
53.897 h
Average Orbital speed166
astron|astron|helion}}2453549.195 ± 0.004
0
Semi-amplitude59.5 ± 0.7
StarHD 212301


HD 212301 b is an extrasolar planet located approximately 172 light-years (53 parsecs) away in the constellation of Octans, orbiting the star HD 212301. It has an orbital period of 2.25 Earth days. The orbital distance is 0.0341 astronomical units or 5.10 gigameters.[1]

On August 22, 2005, taking place in ESO La Silla Observatory in Chile , the planet was discovered by Lo Curto who used the HARPS spectrometer.

See also

References

External links

Coordinates: Sky map 22h 27m 30.9195s, −77° 43′ 04.521″


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