61 Virginis c

{{Infobox planet

| 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 = {{convert|0.2487|AU|km|abbr=on}}

| perihelion = {{convert|0.1863|AU|km|abbr=on}}

| semimajor = {{val|0.2175|0.0001}} AU

| eccentricity = {{val|0.14|0.06}}

| period = {{val|38.021|0.034}} d
{{val|0.10409}} y

| avg_speed = 62.45

| time_periastron = {{val|2453369.166}}

| arg_peri = {{val|341|38}}

| star = 61 Virginis

}}

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.{{cite journal |last=Vogt |first=Steven |arxiv=0912.2599 |title=A Super-Earth and two Neptunes Orbiting the Nearby Sun-like star 61 Virginis |year=2009 |doi=10.1088/0004-637X/708/2/1366 |volume=708 |journal=The Astrophysical Journal |issue=2 |pages=1366–1375 |bibcode=2010ApJ...708.1366V|s2cid=1979253 }}{{cite web|url=http://www.ucsc.edu/news_events/text.asp?pid=3439 |title=New planet discoveries suggest low-mass planets are common around nearby stars |author=Tim Stephens |date=2009-12-14 |work=UCSC News |publisher=UC Santa Cruz |access-date=2009-12-14 |archive-url=https://web.archive.org/web/20091223184326/http://www.ucsc.edu/news_events/text.asp?pid=3439 |archive-date=23 December 2009 |url-status=dead }}

File:61VirginisSystem.svg|61 Virginis System