TIC 434398831 b
A confirmed exoplanet orbiting TIC 434398831.
Compared with Earth
- Size
- About 3.5 times Earth's width.
- Temperature
- About 977 °C (1,790 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Year
- A year here lasts about 3.7 Earth days.
Planet
- Radius
- 3.51 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 1,250 K
- Starlight received
- Unknown
- Orbital period
- 3.686 days
- Average distance from its star
- 0.04641 AU
Star
- Host star
- TIC 434398831
- Spectral class
- G — sun-like
- Surface temperature
- 5,638 K
- Radius
- 0.909 × Sun
- Mass
- 0.992 × Sun
- Age
- 0.061 billion years
System
- Distance from Earth
- 707.8 light-years (217 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.