The TOI-1260 System
TOI-1260 is a planetary system in the constellation Ursa Major hosting 3 confirmed exoplanets, about 240 light-years from Earth.
Size Comparison: The Planets of TOI-1260
TOI-1260: Star and Habitable Zone
TOI-1260
- Surface temperature
- 4,227 K (Sun: 5,772 K)
- Mass
- 0.68 M☉
- Radius
- 0.67 R☉
- Luminosity
- 0.1290 L☉
- Age
- 6.7 billion years (Sun: 4.6)
Habitable zone of TOI-1260: 0.290–0.725 AU (conservative: 0.367–0.687 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-1260 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1260 b | Super Earth | 3.1 d | 2.41 R⊕ | 0.25 | 2021 |
| TOI-1260 c | Super Earth | 7.5 d | 2.76 R⊕ | 0.26 | 2021 |
| TOI-1260 d | Sub Neptune | 17 d | 3.12 R⊕ | 0.31 | 2022 |
Discovery History
The first planet found here, TOI-1260 b, was discovered in 2021 using the transit method. The most recent addition, TOI-1260 d, followed in 2022.
- 2021 — TOI-1260 b (Transit)
- 2021 — TOI-1260 c (Transit)
- 2022 — TOI-1260 d (Transit)
Frequently Asked Questions About TOI-1260
How many planets does TOI-1260 have?
TOI-1260 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1260 system habitable?
None of the known planets in TOI-1260 orbit within the star's habitable zone.
How far away is TOI-1260?
TOI-1260 is about 240 light-years from Earth in the constellation Ursa Major.
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