nu Oct A b
Orbiting nu Oct A
nu Oct A b is an exoplanet orbiting the star nu Oct A, discovered in 2016 using the Radial Velocity method.
Mass
696.04
Earth masses
Orbital Period
402.4
days
Distance
21.2
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
696.04
Measured
Equilibrium Temperature
Unknown
Parameter source: Cheng et al. 2025
Orbital Period
402.400+7.700−6.000days
Semi-Major Axis
1.2400+0.0200−0.0200au
Planet Mass (Earth masses)
696.04+34.96−34.96
Planet Mass (Jupiter masses)
2.1900+0.1100−0.1100
Eccentricity
0.1950+0.0500−0.0370
Argument of Periastron
100.0+32.0−15.0deg
Radial Velocity Semi-Amplitude
42.70+2.60−1.60m/s
Distance from Earth
21.2 pc (~69 ly)
Spectral Type
K1 IV
Temperature
4910 K
Mass (Solar)
1.57 M☉
Radius (Solar)
5.04 R☉
Luminosity
1.12 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
325.3703°, -77.3911°
Discovery Method
Radial Velocity
Discovery Year
2016
Source ID: nu Oct A b
nu Oct A b orbits nu Oct A and was reported in 2016 and was detected with the Radial Velocity method.
Published measurements list a mass of 696.04 Earth masses and an orbital period of 402.4 days.
Catalog data places the system at about 21.2 parsecs from Earth, a host star classified as K1 IV, and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open nu Oct A