HD 20781 b

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HD 20781 b
Discovery
Discovery date 2011
Radial velocity
Orbital characteristics
0.169 ± 0.0028 AU
Eccentricity 0.11 ± 0.06
29.15 ± 0.0201 d
Physical characteristics
Mass 0.0379 ± 0.0035 Mj

HD 20781 b is a hot Neptune with 11 to 13 Earth masses. It is the innermost planet orbiting its parent star HD 20781 at about 0.169 astronomical units. [1]


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