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HD 106315 c

K2-109 c

Extrasolar Planet in Virgo

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Proper Name	None
Designations	HD 106315 c, K2-109 c
Classification	Uncertain; probable giant planet ('warm Neptune')
Orbital Period	21 days, 1 hour
Mean Distance from HD 106315	23.0 million km 0.15 AU
Mass	15.0 x Earth
Diameter	0.39 x Jupiter
Temperature	886 K (613°C)
Parent star	HD 106315, bright yellow dwarf in Virgo
Other planets in this system	HD 106315 b, gas giant HD 106315 d, gas giant (unconfirmed exoplanet)
Notes	One of at least two massive planets in orbit around the dwarf star HD 106315 in Virgo. Both the confirmed planets in the system follow very close orbits around the star, orbits that would fit well within that of Mercury around the Sun. HD 106315 c is the outermost of these two, both of which have masses and diameters approximately comparable with that of Neptune.

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HD 106315

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