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Tau1 Gruis b information


Tau1 Gruis b
Discovery
Discovered byJones, et al.
Discovery siteAustralia
Discovery date17 September 2002
Detection method
Doppler spectroscopy
Orbital characteristics
Semi-major axis
2.561 AU (383.1 million km)
Eccentricity0.0703 ± 0.0781
Orbital period (sidereal)
1,311 ± 49 d
Time of periastron
2,450,870 ± 210
Argument of periastron
99.8
Semi-amplitude19.6 ± 1.5
StarTau1 Gruis

Tau1 Gruis b, also known as HD 216435 b, is an extrasolar planet approximately 109 light-years away in the constellation of Grus (the Crane). The planet was discovered orbiting the star Tau1 Gruis in September 2002. It was calculated that the planet orbits its sun at an average distance of 2.7 astronomical units. The planet is over 1.25 times as massive as Jupiter.

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