Exoplanet

HATS-17 b

Orbiting HATS-17

Overview

HATS-17 b is an exoplanet orbiting the star HATS-17, discovered in 2016 using the Transit method. It is a Neptune-sized world.

Key Measurements

Radius

8.71

Earth radii

015 R⊕

Mass

425.26

Earth masses

0500 M⊕

Orbital Period

16.3

days

0.1d10,000d

Distance

400.3

parsecs

Nearby10,000 pc

Equilibrium Temp

814

K

150 K3,500 K

Radius (Earth radii)

8.71

Mass (Earth masses)

425.26

Measured

Equilibrium Temperature

814 K

Parameter source: Brahm et al. 2016

Orbital Period

16.255+0.000−0.000days

Semi-Major Axis

0.1308+0.0012−0.0012au

Planet Mass (Earth masses)

425.26+20.66−20.66

Planet Mass (Jupiter masses)

1.3380+0.0650−0.0650

Eccentricity

0.0290+0.0220−0.0220

Radial Velocity Semi-Amplitude

99.10+4.40−4.40m/s

Distance from Earth

400.3 pc (~1306 ly)

Spectral Type

G V

Temperature

5846 K

Mass (Solar)

1.13 M☉

Radius (Solar)

1.09 R☉

Luminosity

0.09 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

192.1896°, -47.6137°

Discovery Method

Transit

Discovery Year

2016

Data Sources
NASA Exoplanet Archive

Source ID: HATS-17 b

System Context

HATS-17 b orbits HATS-17 and was reported in 2016 and was detected with the Transit method.

Published measurements list a radius of 8.71 Earth radii, a mass of 425.26 Earth masses, an orbital period of 16.25 days, and an equilibrium temperature near 814 K.

Catalog data places the system at about 400.3 parsecs from Earth, a host star classified as G V, 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 HATS-17