Exoplanet

TOI-277 b

Orbiting TOI-277

Overview

TOI-277 b is an exoplanet orbiting the star TOI-277, discovered in 2022 using the Transit method. It is a Mini-Neptune world.

Key Measurements

Radius

2.65

Earth radii

015 R⊕

Mass (est.)

7.99

Earth masses

0500 M⊕

Orbital Period

4.0

days

0.1d10,000d

Distance

64.7

parsecs

Nearby10,000 pc

Radius (Earth radii)

2.65

Mass (Earth masses)

7.99

Estimated

Equilibrium Temperature

Unknown

Parameter source: Magliano et al. 2023

Orbital Period

3.994+0.000−0.000days

Semi-Major Axis

0.0269+0.0011−0.0011au

Distance from Earth

64.7 pc (~211 ly)

Spectral Type

Unknown

Temperature

4031 K

Mass (Solar)

0.16 M☉

Radius (Solar)

0.36 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

19.0767°, -20.9533°

Discovery Method

Transit

Discovery Year

2022

Data Sources
NASA Exoplanet Archive

Source ID: TOI-277 b

System Context

TOI-277 b orbits TOI-277 and was reported in 2022 and was detected with the Transit method.

Published measurements list a radius of 2.65 Earth radii, a mass of 7.99 Earth masses (estimated), and an orbital period of 3.99 days.

Catalog data places the system at about 64.7 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 TOI-277