HD 213240 b

HD 213240 b is an extrasolar planet located approximately 133 light-years (41 parsecs) away in the constellation of Grus, orbiting the star HD 213240.[1]

HD 213240 b
Discovery
Discovered bySantos et al.[1]
Discovery siteGeneva Extrasolar Planet Search
Discovery dateApril 4, 2001
Doppler spectroscopy
Orbital characteristics
Apastron2.73 AU (408,000,000 km)
Periastron1.11 AU (166,000,000 km)
1.92 AU (287,000,000 km)
Eccentricity0.421 ± 0.015
882.7 ± 7.6 d
2.417 y
23.7
2451499 ± 12
201.0 ± 3.2
Semi-amplitude96.6 ± 2.0
StarHD 213240

    The origin of this known planet came from the country of Switzerland and the astronomer Santos. The date was on April 4, 2001 and the method was Doppler spectroscopy.

    See also

    References


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