The HD 83443 System
HD 83443 is a planetary system in the constellation Vela hosting 2 confirmed exoplanets, about 133 light-years from Earth.
HD 83443: Star and Habitable Zone
HD 83443
- Spectral type
- K0 V
- Surface temperature
- 5,442 K (Sun: 5,772 K)
- Mass
- 1.00 M☉
- Radius
- 0.94 R☉
- Luminosity
- 0.7870 L☉
- Age
- 2.6 billion years (Sun: 4.6)
Habitable zone of HD 83443: 0.679–1.616 AU (conservative: 0.860–1.532 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 83443 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 83443 b | Hot Jupiter | 3.0 d | — | 0.07 | 2002 |
| HD 83443 c | Cold Gas Giant | 8,241 d | — | 0.09 | 2022 |
Discovery History
The first planet found here, HD 83443 b, was discovered in 2002 using the radial velocity method. The most recent addition, HD 83443 c, followed in 2022.
- 2002 — HD 83443 b (Radial Velocity)
- 2022 — HD 83443 c (Radial Velocity)
Frequently Asked Questions About HD 83443
How many planets does HD 83443 have?
HD 83443 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 83443 system habitable?
None of the known planets in HD 83443 orbit within the star's habitable zone.
How far away is HD 83443?
HD 83443 is about 133 light-years from Earth in the constellation Vela.
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