Exoplanet · gas giant
TOI-1338 c
TOI-1338 c is a gas giant orbiting the star TOI-1338 A. Its year lasts 216 Earth days. It was discovered in 2023 by the Radial Velocity method.
| Host star | TOI-1338 A |
|---|---|
| Distance | 1,301 light-years (399.0 pc) |
| Orbital period | 216 days |
| Orbital radius | 0.794 AU |
| Eccentricity | 0.037 |
| Radius | 10.3 R⊕ · 0.919 R♃ |
| Mass | 75.4 M⊕ · 0.237 M♃ |
| Density | 0.379 g/cm³ |
| Surface gravity | 0.711 × Earth |
| Equilibrium temperature | 355 K (82 °C) |
| Stellar flux received | 3.38 × Earth |
| Discovery method | Radial Velocity |
| Discovery year | 2023 |
| Discovered by | Multiple Observatories |
Habitable zone
Inside the inner edge of the habitable zone: it receives 3.38 times the light the Earth does, too hot to keep liquid water on its surface.
Its star in the sky
In the planet's sky its star is a disc 0.88° across: 1.7 times the Sun as we see it from Earth.
In the sky
A telescope is needed to see it: its apparent magnitude is 11.80. Visible from the whole Southern Hemisphere and north to latitude 30° N. South of latitude 30° S it never sets. It stands highest at midnight in December, the best time to observe it.
Light's journey
The light you see tonight set out around the year 725. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 23 million years.
Planets in the same system
- TOI-1338 b 95.4-day orbit · 7.66 R⊕
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.