The TOI-1238 System
TOI-1238 is a planetary system in the constellation Draco hosting 2 confirmed exoplanets, about 231 light-years from Earth.
Size Comparison: The Planets of TOI-1238
TOI-1238: Star and Habitable Zone
TOI-1238
- Spectral type
- K7/M0
- Surface temperature
- 4,089 K (Sun: 5,772 K)
- Mass
- 0.59 M☉
- Radius
- 0.58 R☉
- Luminosity
- 0.0827 L☉
- Age
- 0.8 billion years (Sun: 4.6)
Habitable zone of TOI-1238: 0.233–0.587 AU (conservative: 0.295–0.556 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the TOI-1238 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1238 b | Terrestrial | 0.8 d | 1.21 R⊕ | — | 2022 |
| TOI-1238 c | Super Earth | 3.3 d | 2.11 R⊕ | — | 2022 |
Discovery History
The first planet found here, TOI-1238 b, was discovered in 2022 using the transit method.
- 2022 — TOI-1238 b (Transit)
- 2022 — TOI-1238 c (Transit)
Frequently Asked Questions About TOI-1238
How many planets does TOI-1238 have?
TOI-1238 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1238 system habitable?
None of the known planets in TOI-1238 orbit within the star's habitable zone.
How far away is TOI-1238?
TOI-1238 is about 231 light-years from Earth in the constellation Draco.
Explore the TOI-1238 system in the app
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