The HD 260655 System
HD 260655 is a planetary system in the constellation Gemini hosting 2 confirmed exoplanets, about 33 light-years from Earth.
Size Comparison: The Planets of HD 260655
HD 260655: Star and Habitable Zone
HD 260655
- Spectral type
- M0 V
- Surface temperature
- 3,803 K (Sun: 5,772 K)
- Mass
- 0.44 M☉
- Radius
- 0.44 R☉
- Luminosity
- 0.0363 L☉
- Age
- 5.0 billion years (Sun: 4.6)
Habitable zone of HD 260655: 0.155–0.397 AU (conservative: 0.197–0.376 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 HD 260655 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 260655 b | Terrestrial | 2.8 d | 1.24 R⊕ | 0.32 | 2022 |
| HD 260655 c | Super Earth | 5.7 d | 1.53 R⊕ | 0.36 | 2022 |
Discovery History
The first planet found here, HD 260655 b, was discovered in 2022 using the transit method.
- 2022 — HD 260655 b (Transit)
- 2022 — HD 260655 c (Transit)
Frequently Asked Questions About HD 260655
How many planets does HD 260655 have?
HD 260655 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 260655 system habitable?
None of the known planets in HD 260655 orbit within the star's habitable zone.
How far away is HD 260655?
HD 260655 is about 33 light-years from Earth in the constellation Gemini.
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