The HD 109833 System
HD 109833 is a planetary system in the constellation Musca hosting 2 confirmed exoplanets, about 260 light-years from Earth.
Size Comparison: The Planets of HD 109833
HD 109833: Star and Habitable Zone
HD 109833
- Surface temperature
- 5,881 K (Sun: 5,772 K)
- Mass
- 1.08 M☉
- Radius
- 1.00 R☉
- Luminosity
- 1.1800 L☉
- Age
- 0.0 billion years (Sun: 4.6)
Habitable zone of HD 109833: 0.810–1.904 AU (conservative: 1.026–1.805 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 109833 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 109833 b | Mini Neptune | 9.2 d | 2.89 R⊕ | 0.22 | 2022 |
| HD 109833 c | Mini Neptune | 14 d | 2.59 R⊕ | 0.24 | 2022 |
Discovery History
The first planet found here, HD 109833 b, was discovered in 2022 using the transit method.
- 2022 — HD 109833 b (Transit)
- 2022 — HD 109833 c (Transit)
Frequently Asked Questions About HD 109833
How many planets does HD 109833 have?
HD 109833 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 109833 system habitable?
None of the known planets in HD 109833 orbit within the star's habitable zone.
How far away is HD 109833?
HD 109833 is about 260 light-years from Earth in the constellation Musca.
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