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
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GJ 581 b
Ice / gas giant · ESI 0.36
4.79 R⊕ · 5.4 days year
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GJ 581 c
Sub-Neptune · ESI 0.61
2.50 R⊕ · 13 days year
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Zoom out · nearby systems
HN Lib4.3 lyWolf 10618.4 lyGJ 51413.4 ly61 Vir14.7 lyGJ 667 C14.9 lyGJ 68215.3 lyGJ 67415.3 lyGJ 53616.3 ly
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Other worlds toward LibraZoom out to the Milky Way