最近類地太陽系外行星列表

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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,天文學家宣布[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[1][2]

名稱 圖片 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 太陽的距離(ly)
比鄰星b
Artist's impression of the planet orbiting Proxima Centauri.jpg
≥1.27 ~1.1 234 K 0.05 <0.35 位於適居帶中 [4] 比鄰星 4.22
半人馬座α Bb
Artist’s impression of the planet around Alpha Centauri B (Annotated).jpg
≥1.1 1200 K 0.04 公轉軌道太過接近恆星 半人馬座α B 4.23
羅斯128b
Artist's impression of the planet Ross 128 b.jpg
≥1.35 ~1.1 羅斯128 10.89
沃夫1061b ≥1.36 ≥1.44 沃夫1061 13.8
沃夫1061c ≥4.3 ≥1.64 [5] 沃夫1061 13.8
沃夫1061d ≥5.21 ≥2.04 沃夫1061 13.8
葛利斯876d[6]
Artist’s view of an exoplanet inspired by the discovery of Gliese 876 d.jpg
6.8 157

377 °C[7]
0.021 0.21 估計表面溫度: 157-377°C[8] [9] 葛利斯876 15
葛利斯832c
Gj832c.png
≥5.4 295 K
22 °C
0.162 0.03 [10][11] 葛利斯832 16.16
葛利斯581e
Planet Gliese 581 e.png
≥1.7 0.029 0 表面溫度過高,可能沒有大氣層存在 [12] 葛利斯581 20
葛利斯581c [13]
Planetary System in Gliese 581 (artist's impression).jpg
≥5.6 0.072 0 公轉軌道可能位於適居帶外側[14] [15] 葛利斯581 20
葛利斯581d [16]
Planet Gliese 581 d.png
≥5.6 2.34[17] 1.27[17] 233 K[17] 0,218 0 0.69[17] 可能是一顆海洋行星[17]位於適居帶中[18] [19] 葛利斯581 20
HD 219134 b
PIA19833-RockyExoplanet-HD219134b-ArtistConcept-20150730.jpg
4.5 1.6 700 K
427 °C
[20] HD 219134 21
葛利斯667Cc[21][22]
Gliese 667 Cc sunset.jpg
5.24 1.99 1.32 302 K 0.13 0.34 0.82 位於適居帶中 [17] 葛利斯667C 22
室女座61b[23]
Artist concept 61vir b.png
≥5.1 0.050 0.12 公轉軌道太過接近恆星 [24] 室女座61 28
HD 85512 b[25]
HD 85512 b (Artists's impression).jpg
≥3.6 1.74[17] 1.33[17] 351 K[17] 0.26 0.11 0.76[17] 曾被認為是最適合人類居住的行星[17][26]直到發現葛利斯667Cc為止 [26] HD 85512 36
TRAPPIST-1b
TRAPPIST-1b Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1c
TRAPPIST-1c Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1d
TRAPPIST-1d Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1e
TRAPPIST-1e Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1f
TRAPPIST-1f Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1g
TRAPPIST-1g Artist's Impression.png
[27] TRAPPIST-1 39.5
TRAPPIST-1h
TRAPPIST-1h Artist's Impression.png
[27] TRAPPIST-1 39.5
巨蟹座55e
Newneptune nasa big.jpg
8.6 0.016 0.17 公轉軌道太過接近恆星 [28] 巨蟹座55 40
HD 40307 b[29] ≥4.2 0.047 0.2 公轉軌道太過接近恆星 [30] HD 40307 42
HD 40307 c[29] ≥6.8 0.081 0.06 公轉軌道太過接近恆星 [30] HD 40307 42
HD 40307 d [31]
A Trio of Super-Earths (artist's impression).jpg
≥9.2 0.134 0.07 公轉軌道太過接近恆星 [32] HD 40307 42
HD 40307 e ≥3.5 0.1886 0.15 [33] HD 40307 42
HD 40307 f ≥5.2 385 K 0.247 0.02 [33] HD 40307 42
HD 40307 g ≥7.1 284 K[34] 0.600 0.29 [33] HD 40307 42

參見[编辑]

參考資料[编辑]

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