81 Ceti b
Coordinates: 
02h 37m 41.8003s, −03° 23′ 46.229″
02h 37m 41.8003s, −03° 23′ 46.229″| Discovery | |
|---|---|
Doppler Spectroscopy | |
| Orbital characteristics | |
| 2.5 AU (370,000,000 km) | |
| Eccentricity | 0.206 ± 0.029 |
| 952.7 ± 8.8 d | |
| 2486 ± 26 | |
| 175 ± 69 | |
| Star | 81 Ceti |
| Physical characteristics | |
Mean radius | 1.14 RJ Estimate |
| Mass | 5.30 MJ[1][2] |
81 Ceti b (abbreviated 81 Cet b) is an
light years away in the constellation of Cetus. It is estimated to be 5.3 times the mass of Jupiter which also makes it a gas giant.[1][2] It orbits the G-type giant star 81 Ceti at an average distance of 2.5 AU, taking about 2.6 years to revolve with an eccentricity of 20.6.[3]
Discovery
The preprint announcing this planet was submitted to the
Okayama Astrophysical Observatory.[3]
See also
References
External links
- Jean Schneider (2011). "Notes for Planet 81 Cet b". Extrasolar Planets Encyclopaedia. Retrieved 12 October 2011.
- "81 Ceti". Exoplanets. Archived from the original on 2009-11-25. Retrieved 2008-08-06.
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