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61 Virginis c

Massive exoplanet

Field	Value
name	61 Virginis c
discoverer	Vogt et al.
discovery_site	Keck Observatory
Anglo-Australian Observatory
discovered	2009-12-14
discovery_method	Radial velocity
apsis	astron
aphelion	0.2487 AU
perihelion	0.1863 AU
semimajor	AU
eccentricity
period	d
y
avg_speed	62.45
time_periastron
arg_peri
star	61 Virginis

Anglo-Australian Observatory y 61 Virginis c (abbreviated 61 Vir c) is an exoplanet orbiting the 5th apparent-magnitude G-type main-sequence star 61 Virginis in the constellation Virgo. 61 Virginis c has a minimum mass of 18.2 times that of Earth and orbits one-fifth the distance to the star as Earth orbits the Sun, at a precise distance of 0.2175 AU with an eccentricity of 0.14. This planet would most likely be a gas giant like Uranus and Neptune. This planet was discovered on 14 December 2009 from using a precise radial velocity method taken at Keck and Anglo-Australian Observatories. File:61VirginisSystem.svg|61 Virginis System

References

Vogt, Steven. (2009). "A Super-Earth and two Neptunes Orbiting the Nearby Sun-like star 61 Virginis". The Astrophysical Journal.
Tim Stephens. (2009-12-14). "New planet discoveries suggest low-mass planets are common around nearby stars". UC Santa Cruz.

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