29 Planets Found by Calar Alto Observatory (2017-2025)
29 confirmed exoplanets have been identified for the Calar Alto Observatory facility. First confirmed in 2017; most recent in 2025.
Median radius
2.83 R⊕
Median mass
8.80 M⊕
Median distance
34.88 ly
Median ESI
0.56
Discovery Timeline
Composition Breakdown
Sub-Neptune
11
37.9%
Rocky Terrestrial
6
20.7%
Super-Earth
5
17.2%
Neptune-like
3
10.3%
Gas Giant
3
10.3%
Unclassified
1
3.4%
Most Earth-like in this Cohort
ESI 0.965
Teegarden's Star b
Rocky Terrestrial · 1.05 R⊕ · 12.5 ly
ESI 0.904
G 261-6 b
Rocky Terrestrial · 1.10 R⊕ · 34.7 ly
ESI 0.892
Wolf 1069 b
Rocky Terrestrial · 1.08 R⊕ · 31.3 ly
ESI 0.782
Teegarden's Star c
Rocky Terrestrial · 1.02 R⊕ · 12.5 ly
ESI 0.762
GJ 3988 b
Super-Earth · 1.74 R⊕ · 32.3 ly
ESI 0.699
G 264-012 c
Super-Earth · 1.76 R⊕ · 52.2 ly
Cohort Extremes
Closest to Earth
Teegarden's Star b
Largest radius
GJ 3512 b
Most massive
GJ 508.2 b
Hottest equilibrium
GJ 486 b
Full Catalogue
| Planet | Host | Type | Year | Radius (R⊕) | Mass (M⊕) | Distance (ly) | ESI |
|---|---|---|---|---|---|---|---|
| Teegarden's Star b | Teegarden's Star | Rocky Terrestrial | 2019 | 1.05 | 1.16 | 12.5 | 0.965 |
| G 261-6 b | G 261-6 | Rocky Terrestrial | 2025 | 1.10 | 1.37 | 34.7 | 0.904 |
| Wolf 1069 b | Wolf 1069 | Rocky Terrestrial | 2023 | 1.08 | 1.26 | 31.3 | 0.892 |
| Teegarden's Star c | Teegarden's Star | Rocky Terrestrial | 2019 | 1.02 | 1.05 | 12.5 | 0.782 |
| GJ 3988 b | GJ 3988 | Super-Earth | 2023 | 1.74 | 3.69 | 32.3 | 0.762 |
| G 264-012 c | G 264-012 | Super-Earth | 2021 | 1.76 | 3.75 | 52.2 | 0.699 |
| G 192-15 b | G 192-15 | Rocky Terrestrial | 2025 | 1.02 | 1.03 | 31.1 | 0.698 |
| HN Lib b | HN Lib | Sub-Neptune | 2023 | 2.20 | 5.46 | 20.4 | 0.693 |
| GJ 1265 b | GJ 1265 | Sub-Neptune | 2018 | 2.63 | 7.40 | 33.4 | 0.686 |
| GJ 3779 b | GJ 3779 | Sub-Neptune | 2018 | 2.75 | 8.00 | 44.8 | 0.670 |
| CD Cet b | CD Cet | Super-Earth | 2020 | 1.82 | 3.95 | 28.1 | 0.594 |
| G 268-110 b | G 268-110 | Rocky Terrestrial | 2025 | 1.13 | 1.52 | — | 0.591 |
| HD 180617 b | HD 180617 | Sub-Neptune | 2018 | 3.53 | 12.21 | 19.3 | 0.585 |
| LSPM J2116+0234 b | LSPM J2116+0234 | Sub-Neptune | 2019 | 3.71 | 13.30 | 57.5 | 0.568 |
| GJ 338 B b | GJ 338 B | Sub-Neptune | 2020 | 3.25 | 10.60 | 20.7 | 0.550 |
| KOBE-1 c | KOBE-1 | Sub-Neptune | 2025 | 3.56 | 12.40 | 78.2 | 0.528 |
| GJ 4276 b | GJ 4276 | Neptune-like | 2019 | 4.22 | 16.57 | 69.6 | 0.527 |
| G 264-012 b | G 264-012 | Super-Earth | 2021 | 1.39 | 2.50 | 52.2 | 0.524 |
| HD 147379 b | HD 147379 | Neptune-like | 2017 | 4.94 | 21.60 | 35.1 | 0.480 |
| GJ 486 b | GJ 486 | Super-Earth | 2021 | 1.29 | 2.77 | 26.3 | 0.436 |
| TOI-2093 b | TOI-2093 | Sub-Neptune | 2025 | 3.25 | 10.60 | 270.1 | 0.421 |
| KOBE-1 b | KOBE-1 | Sub-Neptune | 2025 | 2.91 | 8.80 | 78.2 | 0.399 |
| GJ 724 b | GJ 724 | Sub-Neptune | 2023 | 3.27 | 10.75 | 55.3 | 0.371 |
| GJ 1148 c | GJ 1148 | Neptune-like | 2017 | 9.71 | 68.06 | 35.9 | 0.312 |
| TYC 2187-512-1 b | TYC 2187-512-1 | Gas Giant | 2022 | 12.50 | 104.88 | 50.5 | 0.263 |
| GJ 9773 b | GJ 9773 | Gas Giant | 2025 | 14.20 | 172.58 | 51.9 | 0.259 |
| GJ 3512 b | GJ 3512 | Gas Giant | 2019 | 14.30 | 146.52 | 30.9 | 0.247 |
| G 192-15 c | G 192-15 | Sub-Neptune | 2025 | 3.87 | 14.30 | 31.1 | 0.134 |
| GJ 508.2 b | GJ 508.2 | Unclassified | 2025 | — | 587.98 | 54.3 | — |