Exoplanet

HIP 4845 b

Orbiting HIP 4845

Overview

HIP 4845 b is an exoplanet orbiting the star HIP 4845, discovered in 2020 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

14.40

Earth masses

0500 M⊕

Orbital Period

34.1

days

0.1d10,000d

Distance

21.1

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

14.40

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2020

Orbital Period

34.150+0.0460.046days

Semi-Major Axis

0.1760+0.00700.0070au

M sin(i) (Earth masses)

14.40+3.003.00

M sin(i) (Jupiter masses)

0.0453+0.00940.0094

Eccentricity

0.2500+0.14000.1400

Epoch of Periastron

2454702.00+5.605.60days(JD)

Argument of Periastron

108.0+72.072.0deg

Radial Velocity Semi-Amplitude

4.05+0.860.86m/s

Distance from Earth

21.1 pc (~69 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

0.62 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

15.5882°, -10.4246°

Discovery Method

Radial Velocity

Discovery Year

2020

Data Sources

Source ID: HIP 4845 b

System Context

HIP 4845 b orbits HIP 4845 and was reported in 2020 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 14.4 Earth masses (M sin i) and an orbital period of 34.15 days.

Catalog data places the system at about 21.1 parsecs from Earth 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 HIP 4845