Exoplanet

HIP 90988 b

Orbiting HIP 90988

Overview

HIP 90988 b is an exoplanet orbiting the star HIP 90988, discovered in 2021 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

668.08

Earth masses

0500 M⊕

Orbital Period

455.7

days

0.1d10,000d

Distance

94.0

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

668.08

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Feng et al. 2022

Orbital Period

455.738+2.1141.889days

Semi-Major Axis

1.3600+0.02600.0270au

M sin(i) (Earth masses)

668.08+25.1127.02

M sin(i) (Jupiter masses)

2.1020+0.07900.0850

Eccentricity

0.0810+0.04200.0430

Epoch of Periastron

2454979.21+5.966.35days(BJD)

Argument of Periastron

264.2+4.02.9deg

Radial Velocity Semi-Amplitude

40.45+0.350.36m/s

Distance from Earth

94.0 pc (~307 ly)

Spectral Type

Unknown

Temperature

Unknown

Mass (Solar)

1.61 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

278.3893°, -50.2117°

Discovery Method

Radial Velocity

Discovery Year

2021

Data Sources

Source ID: HIP 90988 b

System Context

HIP 90988 b orbits HIP 90988 and was reported in 2021 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 668.08 Earth masses (M sin i) and an orbital period of 455.74 days.

Catalog data places the system at about 94 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 90988
HIP 90988 b