Exoplanet
HD 1397 b
Orbiting HD 1397
Overview
HD 1397 b is an exoplanet orbiting the star HD 1397, discovered in 2018 using the Transit method. It is a Jupiter-sized world.
Key Measurements
Radius
11.50
Earth radii
015 R⊕
Mass
131.90
Earth masses
0500 M⊕
Orbital Period
11.5
days
0.1d10,000d
Distance
79.6
parsecs
Nearby10,000 pc
Equilibrium Temp
1228
K
150 K3,500 K
Radius (Earth radii)
11.50
Mass (Earth masses)
131.90
Measured
Equilibrium Temperature
1228 K
Orbital Period
11.54 days
Distance from Earth
79.6 pc (~260 ly)
Spectral Type
Unknown
Temperature
5521 K
Mass (Solar)
1.32 M☉
Radius (Solar)
2.34 R☉
Luminosity
0.66 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
4.4472°, -66.3589°
Discovery Method
Transit
Discovery Year
2018
Data Sources
Source ID: HD 1397 b