17 Sco b
Orbiting 17 Sco
17 Sco b is an exoplanet orbiting the star 17 Sco, discovered in 2020 using the Radial Velocity method.
Minimum Mass (M sin i)
1373.02
Earth masses
Orbital Period
578.4
days
Distance
125.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1373.02
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Tala Pinto et al. 2020
Orbital Period
578.380+2.010−2.090days
Semi-Major Axis
1.4500+0.0200−0.0200au
M sin(i) (Earth masses)
1373.02+47.67−38.14
M sin(i) (Jupiter masses)
4.3200+0.1500−0.1200
Eccentricity
0.0600+0.0300−0.0200
Epoch of Periastron
2453294.41+174.23−182.91days(JD)
Argument of Periastron
57.0+113.2−106.8deg
Radial Velocity Semi-Amplitude
92.40+3.90−3.84m/s
Distance from Earth
125.0 pc (~408 ly)
Spectral Type
K3 III
Temperature
4157 K
Mass (Solar)
1.22 M☉
Radius (Solar)
25.92 R☉
Luminosity
2.25 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
243.4621°, -11.8378°
Discovery Method
Radial Velocity
Discovery Year
2020
Source ID: 17 Sco b
17 Sco b orbits 17 Sco and was reported in 2020 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,373.02 Earth masses (M sin i) and an orbital period of 578.38 days.
Catalog data places the system at about 125 parsecs from Earth, a host star classified as K3 III, 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 17 Sco