GJ 581: planetary system
M3.0 V · 20.5 ly away · 3 confirmed planets.
Host star
Temperature3500 K
Radius0.30 R☉
Mass0.29 M☉
Distance20.5 ly
Brightnessmag 10.6
Spectral typeM3.0 V
Planets in this system
GJ 581 e
Rocky world · ESI 0.49
1.38 R⊕ · 3.1 days year
GJ 581 b
Ice / gas giant · ESI 0.36
4.79 R⊕ · 5.4 days year
GJ 581 c
Sub-Neptune · ESI 0.61
2.50 R⊕ · 13 days year
Zoom out · nearby systems
HN Lib →4.3 lyWolf 1061 →8.4 lyGJ 514 →13.4 ly61 Vir →14.7 lyGJ 667 C →14.9 lyGJ 682 →15.3 lyGJ 674 →15.3 lyGJ 536 →16.3 ly
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