Tau1 Gruis b
From Wikipedia, the free encyclopedia
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Discovery
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| Discovered by | Jones et al. |
| Discovery site | Australia |
| Discovery date | November 16, 2002 |
| Detection method | Doppler Spectroscopy |
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Designations
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| 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 |
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Physical characteristics
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| 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.

