The TOI-880 System
TOI-880 is a planetary system in the constellation Canis Major hosting 2 confirmed exoplanets, about 198 light-years from Earth.
Size Comparison: The Planets of TOI-880
TOI-880: Star and Habitable Zone
TOI-880
- Spectral type
- K
- Surface temperature
- 5,050 K (Sun: 5,772 K)
- Mass
- 0.87 M☉
- Radius
- 0.83 R☉
- Age
- 5.2 billion years (Sun: 4.6)
Habitable zone of TOI-880: 0.495–1.195 AU (conservative: 0.628–1.133 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-880 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-880.02 | Mini Neptune | 2.6 d | 2.19 R⊕ | — | 2024 |
| TOI-880 c | Neptune-like | 6.4 d | 4.95 R⊕ | — | 2025 |
Discovery History
The first planet found here, TOI-880.02, was discovered in 2024 using the transit method. The most recent addition, TOI-880 c, followed in 2025.
- 2024 — TOI-880.02 (Transit)
- 2025 — TOI-880 c (Transit)
Frequently Asked Questions About TOI-880
How many planets does TOI-880 have?
TOI-880 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-880 system habitable?
None of the known planets in TOI-880 orbit within the star's habitable zone.
How far away is TOI-880?
TOI-880 is about 198 light-years from Earth in the constellation Canis Major.
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