What is the most Earth-like exoplanet?
Wolf 1069 b is the most Earth-like exoplanet known, ranked by the Earth Similarity Index (0.97) among habitable-zone worlds. Everything about Wolf 1069 b →
| # | World | Earth Similarity Index | Distance |
|---|---|---|---|
| ★ 1 | Wolf 1069 b | 0.97 | 31.3 ly |
| 2 | TRAPPIST-1 e | 0.95 | 40.5 ly |
| 3 | TOI-700 d | 0.95 | 102 ly |
| 4 | TOI-700 e | 0.94 | 102 ly |
| 5 | Teegarden's Star b | 0.94 | 12.5 ly |
| 6 | Kepler-1649 c | 0.93 | 301 ly |
| 7 | GJ 1061 d | 0.93 | 12.0 ly |
| 8 | GJ 1002 b | 0.93 | 15.8 ly |
| 9 | Kepler-442 b | 0.91 | 1,194 ly |
| 10 | GJ 3378 b | 0.91 | 25.2 ly |
The Earth Similarity Index is computed by gravityfinder from a world's radius and equilibrium temperature (the Schulze-Makuch 2011 weighting), with Earth defined as 1.0. This record ranks worlds in or near the habitable zone; Earth itself tops the full ranking and is excluded here because it is not an exoplanet.
A high score is not a promise of a second Earth: it says nothing about atmosphere, water, or a breathable sky, only that the size and the sunlight are right. What could unseat this record: a newly confirmed temperate world whose size and temperature land even closer to Earth's; the transit and radial-velocity surveys deliver fresh candidates every year.
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