TOI-4458 b
A confirmed exoplanet orbiting TOI-4458.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 552 times Earth's mass.
- Temperature
- About 1,486 °C (2,707 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 1,595 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.9 Earth days.
Planet
- Radius
- 12.41 × Earth
- Mass
- 552.1 × Earth
- Density
- 1.59 g/cm³
- Equilibrium temperature
- 1,759 K
- Starlight received
- 1,595 × Earth
- Orbital period
- 3.939 days
- Average distance from its star
- 0.0522 AU
Star
- Host star
- TOI-4458
- Spectral class
- F — yellow-white
- Surface temperature
- 6,151 K
- Radius
- 1.96 × Sun
- Mass
- 1.47 × Sun
- Age
- 2.8 billion years
System
- Distance from Earth
- 1,648 light-years (505.4 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2026
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.