YSES 2 b is an exoplanet orbiting the star YSES 2 (TYC 8984-2245-1) in the constellation of Musca.[3] It was discovered through direct imaging by Bohn et al. in 2021. The planet is unusually far from its young host star.[3]
Imaged at ESO/SPHERE/VLT by Bohn et al. | |
| Discovery[1] | |
|---|---|
| Discovery date | 2021 |
Detection method | Imaging |
| Designations | |
Alternative names | TYC 8984-2245-1 b, 2MASS J11275535-6626046 b |
| Orbital characteristics[1] | |
Semi-major axis | 114 AU |
Orbital period (sidereal) | 1176.5 y[2] |
| Physical characteristics[1] | |
| Mass | 6.3+1.6 −0.9 MJ |
Its year is 1176.5 Earth years,[2] and its semi-major axis is 114 AU. Its mass is 6.3+1.6
−0.9 Jupiter masses, its radius is unknown, and its temperature is unknown.
YSES 2, the host star, is a young, Sun-like star. It is approximately 360 ly from Earth in Scorpius-Centaurus Association. Its age is 14 million years.[4]
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