Exoplanet

TOI-771 c

Orbiting TOI-771

Overview

TOI-771 c is an exoplanet orbiting the star TOI-771, discovered in 2025 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

2.87

Earth masses

0500 M⊕

Orbital Period

7.6

days

0.1d10,000d

Distance

25.3

parsecs

Nearby10,000 pc

Equilibrium Temp

365

K

150 K3,500 K

Radius (Earth radii)

Unknown

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

2.87

Radial-velocity minimum

Equilibrium Temperature

365 K

Parameter source: Lacedelli et al. 2025

Orbital Period

7.610+0.0300.030days

Semi-Major Axis

0.0460+0.00200.0020au

M sin(i) (Earth masses)

2.87+0.410.38

M sin(i) (Jupiter masses)

0.0090+0.00130.0012

Eccentricity

0.0650+0.06200.0450

Epoch of Periastron

2458573.80+2.502.50days(BJD)

Argument of Periastron

-82.0+88.084.0deg

Radial Velocity Semi-Amplitude

2.58+0.270.25m/s

Distance from Earth

25.3 pc (~82 ly)

Spectral Type

M3

Temperature

3370 K

Mass (Solar)

0.22 M☉

Radius (Solar)

0.23 R☉

Luminosity

-2.20 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

164.1139°, -72.9852°

Discovery Method

Radial Velocity

Discovery Year

2025

Data Sources

Source ID: TOI-771 c

System Context

TOI-771 c orbits TOI-771 and was reported in 2025 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 2.87 Earth masses (M sin i), an orbital period of 7.61 days, and an equilibrium temperature near 365 K.

Catalog data places the system at about 25.3 parsecs from Earth, a host star classified as M3, and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open TOI-771

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