Tau1 Gruis b

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Tau Gruis b
Discovery
Discovered by Jones et al.
Discovery site Australia
Discovery date November 16, 2002
Detection method Doppler Spectroscopy
Designations
Alternative names HD 216435 b
HIP 113044 b
Periastron 2.381 AU
Apastron 2.741 AU
Semi-major axis 2.561 AU
Eccentricity 0.0703±0.0781
Orbital period 1311±49 d
(3.589 y)
Average orbital speed 21.30 km/s
Inclination ?
Angular distance 76.933 mas
Longitude of periastron 99.8°
Time of periastron 2,450,870±210 JD
Semi-amplitude 19.6±1.5 m/s
Physical characteristics
Mass >1.26 MJ

Tau1 Gruis b is a planet orbiting the star Tau1 Gruis. The orbital distance is 2.56 AU, just in the outer edge of the habitable zone.

It is over one and a quarter times as massive as Jupiter.

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