iot Dra b
Orbiting iot Dra
iot Dra b is an exoplanet orbiting the star iot Dra, discovered in 2002 using the Radial Velocity method.
Minimum Mass (M sin i)
3756.73
Earth masses
Orbital Period
510.9
days
Distance
31.3
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
3756.73
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Hill et al. 2021
Orbital Period
510.854+0.013−0.013days
Semi-Major Axis
1.4530+0.0260−0.0260au
M sin(i) (Earth masses)
3756.73+133.49−130.31
M sin(i) (Jupiter masses)
11.8200+0.4200−0.4100
Eccentricity
0.7010+0.0016−0.0017
Epoch of Periastron
2455590.17+0.13−0.13days(JD)
Argument of Periastron
89.9+0.3−0.3deg
Distance from Earth
31.3 pc (~102 ly)
Spectral Type
K2 III
Temperature
4504 K
Mass (Solar)
1.54 M☉
Radius (Solar)
11.79 R☉
Luminosity
1.72 log L☉
Planets in System
2
Stars in System
1
Coordinates (RA, Dec)
231.2323°, 58.9661°
Discovery Method
Radial Velocity
Discovery Year
2002
Source ID: iot Dra b
iot Dra b orbits iot Dra and was reported in 2002 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 3,756.73 Earth masses (M sin i) and an orbital period of 510.85 days.
Catalog data places the system at about 31.3 parsecs from Earth, a host star classified as K2 III, and 2 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open iot DraMore planets in this system