Discovery | |
---|---|
Discovered by | Khandelwal et al.[1] |
Discovery site | India |
Discovery date | 2023 |
Transit | |
Orbital characteristics | |
0.0888±0.001 AU[2] | |
Eccentricity | 0.325±0.02[2] |
7.246[2] d | |
Inclination | 80.21°[2] |
Star | HD 245134 (TOI-4603) |
Physical characteristics | |
1.042+0.035 −0.038 RJ[2] | |
Mass | 12.89+0.57 −0.58 MJ[2] |
Mean density | 14.1+1.6 −1.7 g/cm3[2] |
Temperature | 1,677±24 K (1404 °C)[2] |
TOI-4603 b is a gas giant exoplanet orbiting HD 245134, a F-type subgiant star located 731 light-years away, in the constellation of Taurus.[3][note 1] It orbits its host star at a distance of 0.0888 astronomical units (13,280,000 km), completing one orbit every 7 days around it.[2] With a density of 14.1 g/cm3 (about 2.5 times that of Earth), it is one of the densest exoplanets known.[2] The planet is just 4% larger than Jupiter, but is 12.9 times more massive, being located in the mass limit between planets and brown dwarfs.[2]
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