Subaru Telescope: 12 Exoplanets Confirmed Through 2026
12 confirmed exoplanets have been identified for the Subaru Telescope facility. First confirmed in 2004; most recent in 2026.
Median radius
12.28 R⊕
Median mass
2,065.88 M⊕
Median distance
284.16 ly
Median ESI
0.29
Discovery Timeline
Composition Breakdown
Gas Giant
10
83.3%
Super-Earth
1
8.3%
Neptune-like
1
8.3%
Host Spectral Class Mix
M-type red dwarf
3
K-type orange
3
G-type yellow (Sun-like)
3
A-type white
2
B-type blue-white
1
Most Earth-like in this Cohort
ESI 0.818
Ross 508 b
Super-Earth · 1.83 R⊕ · 36.6 ly
ESI 0.397
AB Aur b
Gas Giant · 12.50 R⊕ · 528.8 ly
ESI 0.391
HD 145457 b
Gas Giant · 13.20 R⊕ · 441.3 ly
ESI 0.388
HD 38801 b
Gas Giant · 12.50 R⊕ · 298.2 ly
ESI 0.342
GJ 504 b
Gas Giant · 12.11 R⊕ · 57.2 ly
ESI 0.308
HIP 54515 b
Gas Giant · 12.20 R⊕ · 270.1 ly
Cohort Extremes
Closest to Earth
Ross 508 b
Largest radius
DH Tau b
Most massive
HD 180314 b
Hottest equilibrium
DH Tau b
Full Catalogue
| Planet | Host | Type | Year | Radius (R⊕) | Mass (M⊕) | Distance (ly) | ESI |
|---|---|---|---|---|---|---|---|
| Ross 508 b | Ross 508 | Super-Earth | 2022 | 1.83 | 4.00 | 36.6 | 0.818 |
| AB Aur b | AB Aur | Gas Giant | 2022 | 12.50 | 2,860.46 | 528.8 | 0.397 |
| HD 145457 b | HD 145457 | Gas Giant | 2010 | 13.20 | 888.01 | 441.3 | 0.391 |
| HD 38801 b | HD 38801 | Gas Giant | 2009 | 12.50 | 3,082.32 | 298.2 | 0.388 |
| GJ 504 b | GJ 504 | Gas Giant | 2013 | 12.11 | 1,271.30 | 57.2 | 0.342 |
| HIP 54515 b | HIP 54515 | Gas Giant | 2026 | 12.20 | 5,625.56 | 270.1 | 0.308 |
| HD 180314 b | HD 180314 | Gas Giant | 2010 | 12.00 | 7,216.93 | 399.1 | 0.276 |
| HD 17156 b | HD 17156 | Gas Giant | 2007 | 12.26 | 1,036.12 | 254.7 | 0.194 |
| 2M0437 b | 2MASS J04372171+2651014 | Gas Giant | 2021 | 13.00 | 1,271.31 | 419.1 | 0.111 |
| HD 149026 b | HD 149026 | Neptune-like | 2005 | 8.29 | 120.78 | 247.4 | 0.088 |
| kap And b | kap And | Gas Giant | 2012 | 12.30 | 4,327.36 | 163.1 | 0.069 |
| DH Tau b | DH Tau | Gas Giant | 2004 | 30.26 | 3,496.00 | 439.8 | 0.043 |