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Teegarden's Star b
Goldilocks terrestrial exoplanet orbiting Teegarden's Star / From Wikipedia, the free encyclopedia
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Teegarden's Star b (also known as Teegarden b) is an exoplanet found orbiting within the habitable zone of Teegarden's Star, an M-type red dwarf 12.5 light years away from the Solar System. It had the highest Earth Similarity Index (ESI) of any exoplanet,[2]: 106 but in February 2024 a new study updated the parameters of the planet, thus reducing its ESI to 0.90, making it no longer the planet with the hightest ESI.[3] Along with Teegarden's Star c, it is among the closest known potentially habitable exoplanets.[4][5]
Quick Facts Discovery, Discovered by ...
![]() Artist’s impression of Teegarden’s Star b | |
Discovery | |
---|---|
Discovered by | Zechmeister et al. |
Discovery site | Calar Alto Observatory |
Discovery date | June 2019 |
Orbital characteristics | |
0.0252+0.0008 −0.0009[1] AU | |
Eccentricity | 0+0.16 −0[1] |
4.91±0.0014[1] d | |
Star | Teegarden's Star[1] |
Physical characteristics | |
Mass | ≥ 1.05+0.13 −0.12[1] ME |
Temperature | 301 K (28 °C) |
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