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Exoplanet · 82 G. Eri

HD 20794 b

Orbit0.13 AU
Year18.3 days
Mass≥ 2.7 M⊕
Temperature~660 K (estimated)

It circles 82 G. Eri once every 18.3 days, 0.13 AU out: about 3.1 times closer than Mercury is to the Sun.

Found in 2011 by the radial velocity method, which measures the star's wobble. That gives a minimum mass, so it could be heavier.

Sources

  1. NASA Exoplanet Archive, Planetary Systems Composite Parameters (queried 28 Oct 2026)
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