TOI-2128 b
A confirmed exoplanet orbiting TOI-2128.
Compared with Earth
- Size
- About 2.1 times Earth's width.
- Mass
- About 4.5 times Earth's mass.
- Temperature
- About 507 °C (945 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 16 Earth days.
Planet
- Radius
- 2.089 × Earth
- Mass
- 4.5 × Earth
- Density
- 2.68 g/cm³
- Equilibrium temperature
- 780.5 K
- Starlight received
- Unknown
- Orbital period
- 16.34 days
- Average distance from its star
- 0.127 AU
Star
- Host star
- TOI-2128
- Spectral class
- G — sun-like
- Surface temperature
- 5,968 K
- Radius
- 1.117 × Sun
- Mass
- 1.025 × Sun
- Age
- 4.7 billion years
System
- Distance from Earth
- 119.3 light-years (36.58 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2024
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.