The HD 73583 System
HD 73583 is a planetary system in the constellation Hydra hosting 2 confirmed exoplanets, about 103 light-years from Earth.
Size Comparison: The Planets of HD 73583
HD 73583: Star and Habitable Zone
HD 73583
- Spectral type
- K4 V
- Surface temperature
- 4,511 K (Sun: 5,772 K)
- Mass
- 0.73 M☉
- Radius
- 0.65 R☉
- Age
- 0.5 billion years (Sun: 4.6)
Habitable zone of HD 73583: 0.317–0.782 AU (conservative: 0.401–0.741 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 73583 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 73583 b | Mini Neptune | 6.4 d | 2.79 R⊕ | 0.24 | 2022 |
| HD 73583 c | Super Earth | 19 d | 2.39 R⊕ | 0.34 | 2022 |
Discovery History
The first planet found here, HD 73583 b, was discovered in 2022 using the transit method.
- 2022 — HD 73583 b (Transit)
- 2022 — HD 73583 c (Transit)
Frequently Asked Questions About HD 73583
How many planets does HD 73583 have?
HD 73583 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 73583 system habitable?
None of the known planets in HD 73583 orbit within the star's habitable zone.
How far away is HD 73583?
HD 73583 is about 103 light-years from Earth in the constellation Hydra.
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