TOI-2989 b
A confirmed exoplanet orbiting TOI-2989.
Compared with Earth
- Size
- About 13 times Earth's width.
- Mass
- About 953 times Earth's mass.
- Temperature
- About 728 °C (1,342 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 124 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.1 Earth days.
Planet
- Radius
- 12.55 × Earth
- Mass
- 953.5 × Earth
- Density
- 2.7 g/cm³
- Equilibrium temperature
- 1,001 K
- Starlight received
- 124 × Earth
- Orbital period
- 3.123 days
- Average distance from its star
- 0.0384 AU
Star
- Host star
- TOI-2989
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,672 K
- Radius
- 0.76 × Sun
- Mass
- 0.77 × Sun
- Age
- Unknown
System
- Distance from Earth
- 638.6 light-years (195.8 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.