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最近類地太陽系外行星列表

維基百科，自由的百科全書

最近類地太陽系外行星列表中包含距離地球50光年內的類地（岩石）太陽系外行星系統。

他們主要可能由矽酸鹽岩石和（或）金屬所構成。類地行星在太陽系中是最接近太陽的內行星。

大多數列表中的行星的陸地成分尚未有科學共識，表中僅列出可能的陸地成分。

2012年9月，天文學家宣佈[1][2] 發現兩個行星環繞格利澤163[3]，其中一顆格利澤163c，質量約地球的6.9倍，比地球還熱，被認為位於適居帶中[1][2]。

名稱 圖片(想像圖) 質量(M⊕) 半徑(R⊕) 密度 表面重力 (g) 表面溫度 半長軸 (AU) 離心率 地球相似指數 適居性 參考 主星 與太陽的距離(ly)
比鄰星b
≥1.27 ~1.1 234 K 0.05 <0.35 位於適居帶中 [4] 比鄰星 4.22
比鄰星c 7 39 K
-234.2 °C		 1.489 0.04 比鄰星 4.22
半人馬座α Bb
≥1.1 1200 K 0.04 半人馬座α B 4.23
巴納德星b
≥3.23 105 K
-168.15 °C		 0.404 0.32 [5] 巴納德星 5.958
羅斯128b
≥1.35 ~1.1 羅斯128 10.89
魯坦b ≥2.89 ≥1.35 259 K
-14 °C		 0.091 0.10 魯坦星 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 估計表面溫度: 157-377°C[8] [9] 葛利斯876 15
格利澤682b ≥2 [10]
[11]
[6]		 格利澤682 16
葛利斯832c
≥5.4 295 K
22 °C 		0.162 0.03 [12][13] 葛利斯832 16.16
天園增三b ≥2.7 660 K
387 °C[14]		 0.1207 0 [15] 天園增三 19.71
天園增三c ≥2.4 508 K
235 °C[14]		 0.2036 0 [15] 天園增三 19.71
天園增三d ≥4.8 388 K
115 °C[14] 		0.3499 0 [15] 天園增三 19.71
葛利斯581e
≥1.7 0.029 0 表面溫度過高，可能沒有大氣層存在 [16] 葛利斯581 20
葛利斯581c [17]
≥5.6 0.072 0 公轉軌道可能位於適居帶外側[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] 可能是一顆海洋行星[21]位於適居帶中[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 位於適居帶中 [21] 葛利斯667C 22
室女座61b[27]
≥5.1 0.050 0.12 公轉軌道太過接近恆星 [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] 曾被認為是最適合人類居住的行星[21][30]直到發現葛利斯667Cc為止 [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 公轉軌道太過接近恆星 [32] 巨蟹座55 40
HD 40307 b[33] ≥4.2 0.047 0.2 公轉軌道太過接近恆星 [34] HD 40307 42
HD 40307 c[33] ≥6.8 0.081 0.06 公轉軌道太過接近恆星 [34] HD 40307 42
HD 40307 d [35]
≥9.2 0.134 0.07 公轉軌道太過接近恆星 [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

參見

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參考資料

[編輯]
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