Extrasolarplanet: | yes |
Apsis: | astron |
Discovery Ref: | [1] |
YSES 2 b | |
Discovered: | 2021 |
Discovery Method: | Imaging |
Alt Names: | TYC 8984-2245-1 b, 2MASS J11275535-6626046 b |
Semimajor: | 114 AU |
Period: | 1176.5 y[2] |
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.
Its year is 1176.5 Earth years, and its semi-major axis is 114 AU. Its mass is 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]