Gemini Observatory: 14 Exoplanets Confirmed Through 2025
14 confirmed exoplanets have been identified for the Gemini Observatory facility. First confirmed in 2006; most recent in 2025.
Median radius
12.44 R⊕
Median mass
3,232.16 M⊕
Median distance
121.93 ly
Median ESI
0.13
Discovery Timeline
Composition Breakdown
Gas Giant
9
64.3%
Rocky Terrestrial
4
28.6%
Unclassified
1
7.1%
Host Spectral Class Mix
M-type red dwarf
7
F-type yellow-white
3
A-type white
2
K-type orange
1
B-type blue-white
1
Most Earth-like in this Cohort
ESI 0.772
Barnard e
Rocky Terrestrial · 0.64 R⊕ · 6.0 ly
ESI 0.713
Barnard c
Rocky Terrestrial · 0.74 R⊕ · 6.0 ly
ESI 0.596
Barnard d
Rocky Terrestrial · 0.69 R⊕ · 6.0 ly
ESI 0.592
TOI-1450 A c
Rocky Terrestrial · 1.13 R⊕ · 73.2 ly
ESI 0.154
GU Psc b
Gas Giant · 14.18 R⊕ · 155.1 ly
ESI 0.143
HR 8799 b
Gas Giant · 13.00 R⊕ · 134.5 ly
Cohort Extremes
Closest to Earth
Barnard e
Largest radius
1RXS J160929.1-210524 b
Most massive
CD-35 2722 b
Hottest equilibrium
HIP 78530 b
Full Catalogue
| Planet | Host | Type | Year | Radius (R⊕) | Mass (M⊕) | Distance (ly) | ESI |
|---|---|---|---|---|---|---|---|
| Barnard e | Barnard's star | Rocky Terrestrial | 2025 | 0.64 | 0.19 | 6.0 | 0.772 |
| Barnard c | Barnard's star | Rocky Terrestrial | 2025 | 0.74 | 0.34 | 6.0 | 0.713 |
| Barnard d | Barnard's star | Rocky Terrestrial | 2025 | 0.69 | 0.26 | 6.0 | 0.596 |
| TOI-1450 A c | TOI-1450 A | Rocky Terrestrial | 2024 | 1.13 | 1.53 | 73.2 | 0.592 |
| GU Psc b | GU Psc | Gas Giant | 2014 | 14.18 | 3,591.30 | 155.1 | 0.154 |
| HR 8799 b | HR 8799 | Gas Giant | 2008 | 13.00 | 2,000.00 | 134.5 | 0.143 |
| HR 8799 c | HR 8799 | Gas Giant | 2008 | 13.00 | 3,000.00 | 134.5 | 0.134 |
| HR 2562 b | HR 2562 | Gas Giant | 2016 | 12.44 | 4,195.33 | 110.9 | 0.114 |
| HD 206893 b | HD 206893 | Gas Giant | 2021 | 14.01 | 8,899.20 | 132.9 | 0.085 |
| 1RXS J160929.1-210524 b | 1RXS J160929.1-210524 | Gas Giant | 2008 | 18.65 | 3,000.00 | 453.8 | 0.081 |
| CD-35 2722 b | CD-35 2722 | Gas Giant | 2011 | 17.37 | 9,375.94 | 73.0 | 0.072 |
| Oph 11 b | Oph 11 | Gas Giant | 2006 | 12.30 | 4,449.62 | 444.1 | 0.058 |
| HIP 78530 b | HIP 78530 | Gas Giant | 2010 | 12.00 | 7,300.00 | 446.0 | 0.038 |
| 51 Eri b | 51 Eri | Unclassified | 2015 | — | 3,464.33 | 97.1 | — |