Object Star Star type Mass (M⊕) Radius (R⊕) Flux (F⊕) Teq (K) Period (days) Distance (ly) Ref Earth Sun G2V 1.00 1.00 1.00 255 365.24 - Proxima Centauri b Proxima Centauri M6Ve ≥1.3 0.8 – 1.1 – 1.4 0.65 234 11.186 4.22 [11] Gliese 667 Cc Gliese 667 C M3V ≥3.8 1.1 – 1.5 – 2.0 0.88 277 28.143 ± 0.029 23.62 [12][13] Kepler-442b Kepler-442 K?V 8.2 – 2.3 – 1.0 1.34 0.70 233 112.3053 1291.6 [13] Kepler-452b Kepler-452 G2V 19.8 – 4.7 – 1.9 1.50, 1.63 1.11 7002265000000000000♠265+15 −13 384.8 1402 [13][14] Wolf 1061c Wolf 1061 M3V ≥ 4.3 1.1 – 1.6 – 2.0 0.60 223 17.9 13.8 [13] Kepler-1229b Kepler-1229 M?V 9.8 – 2.7 – 1.2 1.4 0.49 213 86.8 769 [13] Kapteyn b* Kapteyn sdM1 ≥ 4.8 1.2 - 1.6 - 2.1 0.43 205 48.6 13 [13] Kepler-62f Kepler-62 K2V 10.2 – 2.8 – 1.2 1.41 0.39 244 267.291 1200 [13][15] Kepler-186f Kepler-186 M1V 4.7 – 1.5 – 0.6 1.17 0.29 188 129.9459 561 [13] GJ 273b Luyten's Star M3.5V 3.15 - 2.89 - 2.63 1.06 206-293 18.650 12.36 [16] TRAPPIST-1e TRAPPIST-1 M8V 0.6 0.9 0.67 230 6.1 39 [17] TRAPPIST-1f TRAPPIST-1 M8V 0.7 1.0 0.38 200 9.2 39 [17] TRAPPIST-1g TRAPPIST-1 M8V 1.3 1.1 0.26 182 12.4 39 [17]