61 Vir

Planetary system · 27.7 light-years away · also HD 115617, HIP 64924

61 Vir is 27.7 light-years from the Sun. The NASA Exoplanet Archive lists 3 planets around this G5 V star; the first was found in 2009 by radial velocity (Multiple Observatories).

Fly there in 3D

Worth knowing

61 Vir b goes round its star every 4.21 days, 21 times as often as Mercury goes round the Sun.

The star

Spectral typeG5 V
Surface temperature5,577 K
Mass0.942 solar masses
Radius0.963 solar radii
Luminosity0.8035 times the Sun
Apparent magnitude4.6955
Ageabout 8.96 billion years
Distance from the Sun27.7 light-years (8.5 parsecs)
Position (J2000)RA 199.5965°, Dec -18.3158°
ConstellationVirgo

Planets (3)

PlanetYearOrbitRadiusMassFound
61 Vir b4.21 days0.0502 AU2.11 R⊕ estimated5.1 M⊕ minimumRadial Velocity, 2009
61 Vir c38.0 days0.217 AU4.46 R⊕ estimated18.2 M⊕ minimumRadial Velocity, 2009
61 Vir d123.0 days0.476 AU5.11 R⊕ estimated22.9 M⊕ minimumRadial Velocity, 2009

Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.

Sources

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