33 Planets Found by McDonald Observatory (2004-2024)
33 confirmed exoplanets have been identified for the McDonald Observatory facility. First confirmed in 2004; most recent in 2024.
Median radius
13.00 R⊕
Median mass
508.50 M⊕
Median distance
1,214.62 ly
Median ESI
0.34
Discovery Timeline
Composition Breakdown
Gas Giant
30
90.9%
Sub-Neptune
1
3.0%
Neptune-like
1
3.0%
Super-Earth
1
3.0%
Host Spectral Class Mix
K-type orange
22
G-type yellow (Sun-like)
7
M-type red dwarf
2
F-type yellow-white
2
Most Earth-like in this Cohort
ESI 0.570
LHS 3154 b
Sub-Neptune · 3.69 R⊕ · 51.4 ly
ESI 0.440
HD 233604 b
Gas Giant · 12.70 R⊕ · 2,762.7 ly
ESI 0.433
HD 240210 b
Gas Giant · 12.80 R⊕ · 1,214.6 ly
ESI 0.433
Kepler-424 c
Gas Giant · 12.70 R⊕ · 2,278.7 ly
ESI 0.428
HD 102272 b
Gas Giant · 12.90 R⊕ · 1,132.1 ly
ESI 0.419
BD+20 274 b
Gas Giant · 13.00 R⊕ · 4,313.4 ly
Cohort Extremes
Closest to Earth
55 Cnc c
Largest radius
BD+42 2315 b
Most massive
BD+20 2457 b
Hottest equilibrium
55 Cnc e
Full Catalogue
| Planet | Host | Type | Year | Radius (R⊕) | Mass (M⊕) | Distance (ly) | ESI |
|---|---|---|---|---|---|---|---|
| LHS 3154 b | LHS 3154 | Sub-Neptune | 2023 | 3.69 | 13.15 | 51.4 | 0.570 |
| HD 233604 b | HD 233604 | Gas Giant | 2013 | 12.70 | 2,089.64 | 2,762.7 | 0.440 |
| HD 240210 b | HD 240210 | Gas Giant | 2009 | 12.80 | 1,655.82 | 1,214.6 | 0.433 |
| Kepler-424 c | Kepler-424 | Gas Giant | 2014 | 12.70 | 2,215.18 | 2,278.7 | 0.433 |
| HD 102272 b | HD 102272 | Gas Giant | 2008 | 12.90 | 1,570.08 | 1,132.1 | 0.428 |
| BD+20 274 b | BD+20 274 | Gas Giant | 2012 | 13.00 | 1,334.89 | 4,313.4 | 0.419 |
| HD 37605 b | HD 37605 | Gas Giant | 2004 | 13.20 | 854.96 | 152.6 | 0.389 |
| GJ 328 b | GJ 328 | Gas Giant | 2013 | 13.30 | 797.75 | 66.9 | 0.382 |
| HD 17092 b | HD 17092 | Gas Giant | 2007 | 12.50 | 3,219.62 | 745.0 | 0.382 |
| BD+37 3172 b | BD+37 3172 | Gas Giant | 2023 | 12.40 | 3,368.98 | 1,481.6 | 0.374 |
| HD 95127 b | HD 95127 | Gas Giant | 2015 | 12.40 | 3,378.53 | 2,206.7 | 0.374 |
| BD+20 2457 c | BD+20 2457 | Gas Giant | 2009 | 12.40 | 3,963.17 | 5,021.9 | 0.354 |
| BD+49 828 b | BD+49 828 | Gas Giant | 2015 | 13.50 | 508.50 | 1,441.7 | 0.348 |
| psi1 Dra B b | psi1 Dra B | Gas Giant | 2015 | 13.50 | 486.28 | 74.1 | 0.345 |
| 55 Cnc c | 55 Cnc | Neptune-like | 2004 | 8.51 | 54.47 | 41.0 | 0.340 |
| HD 220773 b | HD 220773 | Gas Giant | 2011 | 13.60 | 460.80 | 164.7 | 0.339 |
| HS Psc b | HS Psc | Gas Giant | 2024 | 13.60 | 464.03 | 122.8 | 0.339 |
| HD 79498 b | HD 79498 | Gas Giant | 2011 | 13.60 | 425.89 | 159.6 | 0.333 |
| HD 240237 b | HD 240237 | Gas Giant | 2011 | 12.20 | 5,050.32 | 3,044.3 | 0.321 |
| BD+15 2940 b | BD+15 2940 | Gas Giant | 2013 | 13.70 | 352.78 | 1,390.8 | 0.318 |
| HD 216536 b | HD 216536 | Gas Giant | 2015 | 13.80 | 333.72 | 1,227.1 | 0.312 |
| BD+14 4559 b | BD+14 4559 | Gas Giant | 2009 | 13.80 | 330.54 | 161.0 | 0.311 |
| HD 155358 b | HD 155358 | Gas Giant | 2007 | 13.80 | 314.65 | 142.3 | 0.308 |
| HD 219415 b | HD 219415 | Gas Giant | 2012 | 13.80 | 317.83 | 538.8 | 0.308 |
| KIC 3526061 b | KIC 3526061 | Gas Giant | 2022 | 12.10 | 5,768.59 | 1,308.6 | 0.303 |
| BD+48 738 b | BD+48 738 | Gas Giant | 2011 | 13.90 | 289.23 | 2,842.4 | 0.300 |
| HD 155358 c | HD 155358 | Gas Giant | 2007 | 13.90 | 261.00 | 142.3 | 0.293 |
| HD 197037 b | HD 197037 | Gas Giant | 2012 | 13.90 | 251.00 | 108.3 | 0.290 |
| HD 96127 b | HD 96127 | Gas Giant | 2011 | 12.10 | 6,661.72 | 1,916.7 | 0.286 |
| BD+20 2457 b | BD+20 2457 | Gas Giant | 2009 | 12.10 | 6,807.63 | 5,021.9 | 0.284 |
| BD+42 2315 b | BD+42 2315 | Gas Giant | 2023 | 14.20 | 174.81 | 1,991.9 | 0.260 |
| 55 Cnc e | 55 Cnc | Super-Earth | 2004 | 1.88 | 7.99 | 41.0 | 0.129 |
| TYC 3667-1280-1 b | TYC 3667-1280-1 | Gas Giant | 2016 | 12.80 | 1,716.28 | 1,557.4 | 0.124 |