The TOI-1117 System
TOI-1117 is a planetary system in the constellation Pavo hosting 3 confirmed exoplanets, about 547 light-years from Earth.
Size Comparison: The Planets of TOI-1117
Planets without a measured radius are not shown.
TOI-1117: Star and Habitable Zone
TOI-1117
- Spectral type
- G5 V
- Surface temperature
- 5,635 K (Sun: 5,772 K)
- Mass
- 0.97 M☉
- Radius
- 1.05 R☉
- Luminosity
- 0.3600 L☉
- Age
- 4.4 billion years (Sun: 4.6)
Habitable zone of TOI-1117: 0.454–1.074 AU (conservative: 0.575–1.018 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 3 Planets in the TOI-1117 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1117 b | Super Earth | 2.2 d | 2.46 R⊕ | — | 2025 |
| TOI-1117 c | Super Earth | 4.6 d | — | — | 2025 |
| TOI-1117 d | Neptune-like | 8.7 d | — | — | 2025 |
Discovery History
The first planet found here, TOI-1117 b, was discovered in 2025 using the transit method.
- 2025 — TOI-1117 b (Transit)
- 2025 — TOI-1117 c (Radial Velocity)
- 2025 — TOI-1117 d (Radial Velocity)
Frequently Asked Questions About TOI-1117
How many planets does TOI-1117 have?
TOI-1117 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1117 system habitable?
None of the known planets in TOI-1117 orbit within the star's habitable zone.
How far away is TOI-1117?
TOI-1117 is about 547 light-years from Earth in the constellation Pavo.
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