GJ 3293

Planetary system · 65.9 light-years away

GJ 3293 is 65.9 light-years from the Sun. The NASA Exoplanet Archive lists 4 planets around this M2.5 star; the first was found in 2015 by radial velocity (La Silla Observatory).

Fly there in 3D

Worth knowing

GJ 3293 e goes round its star every 13.3 days, 7 times as often as Mercury goes round the Sun.

The star

Spectral typeM2.5
Surface temperature3,466 K
Mass0.42 solar masses
Radius0.404 solar radii
Luminosity0.022 times the Sun
Apparent magnitude11.945
Distance from the Sun65.9 light-years (20.2 parsecs)
Position (J2000)RA 67.1484°, Dec -25.1713°
ConstellationEridanus

Planets (4)

PlanetYearOrbitRadiusMassFound
GJ 3293 e13.3 days0.0821 AU1.63 R⊕ estimated3.28 M⊕ minimumRadial Velocity, 2017
GJ 3293 b30.6 days0.143 AU5.19 R⊕ estimated23.54 M⊕ minimumRadial Velocity, 2015
GJ 3293 d48.1 days0.194 AU2.67 R⊕ estimated7.6 M⊕ minimumRadial Velocity, 2017
GJ 3293 c122.6 days0.362 AU4.87 R⊕ estimated21.09 M⊕ minimumRadial Velocity, 2015

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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