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最近类地太阳系外行星列表

维基百科，自由的百科全书

最近类地太阳系外行星列表中包含距离地球50光年内的类地（岩石）太阳系外行星系统。

他们主要可能由硅酸盐岩石和（或）金属所构成。类地行星在太阳系中是最接近太阳的内行星。

大多数列表中的行星的陆地成分尚未有科学共识，表中仅列出可能的陆地成分。

2012年9月，天文学家宣布[1][2] 发现两个行星环绕格利泽163[3]，其中一颗格利泽163c，质量约地球的6.9倍，比地球还热，被认为位于适居带中[1][2]。

名称 图片(想像图) 质量(M⊕) 半径(R⊕) 密度 表面重力 (g) 表面温度 半长轴 (AU) 离心率 地球相似指数 适居性 参考 主星 与太阳的距离(ly)
比邻星b
≥1.27 ~1.1 234 K 0.05 <0.35 位于适居带中 [4] 比邻星 4.22
比邻星c 7 39 K
-234.2 °C		 1.489 0.04 比邻星 4.22
半人马座α Bb
≥1.1 1200 K 0.04 半人马座α B 4.23
巴纳德星b
≥3.23 105 K
-168.15 °C		 0.404 0.32 [5] 巴纳德星 5.958
罗斯128b
≥1.35 ~1.1 罗斯128 10.89
鲁坦b ≥2.89 ≥1.35 259 K
-14 °C		 0.091 0.10 鲁坦星 12.20
沃夫1061b ≥1.36 ≥1.44 沃夫1061 13.8
沃夫1061c
≥4.3 ≥1.64 [6] 沃夫1061 13.8
沃夫1061d ≥5.21 ≥2.04 沃夫1061 13.8
葛利斯876d[7]
6.8 157
–
377 °C[8]		 0.021 0.21 估计表面温度: 157-377°C[8] [9] 葛利斯876 15
格利泽682b ≥2 [10]
[11]
[6]		 格利泽682 16
葛利斯832c
≥5.4 295 K
22 °C 		0.162 0.03 [12][13] 葛利斯832 16.16
天园增三b ≥2.7 660 K
387 °C[14]		 0.1207 0 [15] 天园增三 19.71
天园增三c ≥2.4 508 K
235 °C[14]		 0.2036 0 [15] 天园增三 19.71
天园增三d ≥4.8 388 K
115 °C[14] 		0.3499 0 [15] 天园增三 19.71
葛利斯581e
≥1.7 0.029 0 表面温度过高，可能没有大气层存在 [16] 葛利斯581 20
葛利斯581c [17]
≥5.6 0.072 0 公转轨道可能位于适居带外侧[18] [19] 葛利斯581 20
葛利斯581d [20]
≥5.6 2.34[21] 1.27[21] 233 K[21] 0,218 0 0.69[21] 可能是一颗海洋行星[21]位于适居带中[22] [23] 葛利斯581 20
HD 219134 b
4.5 1.6 700 K
427 °C 		[24] HD 219134 21
葛利斯667Cc[25][26]
5.24 1.99 1.32 302 K 0.13 0.34 0.82 位于适居带中 [21] 葛利斯667C 22
室女座61b[27]
≥5.1 0.050 0.12 公转轨道太过接近恒星 [28] 室女座61 28
HD 85512 b[29]
≥3.6 1.74[21] 1.33[21] 351 K[21] 0.26 0.11 0.76[21] 曾被认为是最适合人类居住的行星[21][30]直到发现葛利斯667Cc为止 [30] HD 85512 36
GJ 180 b ≥2.3 312 K
39 °C 		[10][12] 葛利斯180 38
TRAPPIST-1b
[31] TRAPPIST-1 39.5
TRAPPIST-1c
[31] TRAPPIST-1 39.5
TRAPPIST-1d
[31] TRAPPIST-1 39.5
TRAPPIST-1e
[31] TRAPPIST-1 39.5
TRAPPIST-1f
[31] TRAPPIST-1 39.5
TRAPPIST-1g
[31] TRAPPIST-1 39.5
TRAPPIST-1h
[31] TRAPPIST-1 39.5
巨蟹座55e
8.6 0.016 0.17 公转轨道太过接近恒星 [32] 巨蟹座55 40
HD 40307 b[33] ≥4.2 0.047 0.2 公转轨道太过接近恒星 [34] HD 40307 42
HD 40307 c[33] ≥6.8 0.081 0.06 公转轨道太过接近恒星 [34] HD 40307 42
HD 40307 d [35]
≥9.2 0.134 0.07 公转轨道太过接近恒星 [36] HD 40307 42
HD 40307 e ≥3.5 0.1886 0.15 [37] HD 40307 42
HD 40307 f ≥5.2 385 K 0.247 0.02 [37] HD 40307 42
HD 40307 g ≥7.1 284 K[38] 0.600 0.29 [37] HD 40307 42

参见

参考资料

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检索自“https://zh.wikipedia.org/w/index.php?title=最近類地太陽系外行星列表&oldid=75475696”