Exoplanet

HD 99283 b

Orbiting HD 99283

Overview

HD 99283 b is an exoplanet orbiting the star HD 99283, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

308.29

Earth masses

0500 M⊕

Orbital Period

310.4

days

0.1d10,000d

Distance

111.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

308.29

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Teng et al. 2022

Orbital Period

310.400+5.2001.700days

Semi-Major Axis

1.0800+0.05000.0700au

M sin(i) (Earth masses)

308.29+19.0779.46

M sin(i) (Jupiter masses)

0.9700+0.06000.2500

Eccentricity

0.2000+0.10200.1460

Epoch of Periastron

2455291.10+256.1025.60days(JD)

Argument of Periastron

291.0+62.041.0deg

Radial Velocity Semi-Amplitude

20.40+1.903.50m/s

Distance from Earth

111.1 pc (~362 ly)

Spectral Type

K0 III

Temperature

4886 K

Mass (Solar)

1.76 M☉

Radius (Solar)

11.21 R☉

Luminosity

1.81 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

171.4874°, 55.8507°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HD 99283 b

System Context

HD 99283 b orbits HD 99283 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 308.29 Earth masses (M sin i) and an orbital period of 310.4 days.

Catalog data places the system at about 111.1 parsecs from Earth, a host star classified as K0 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 HD 99283
HD 99283 b