The HD 93083 System
HD 93083 is a planetary system in the constellation Antlia hosting 2 confirmed exoplanets, about 93 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
HD 93083: Star and Habitable Zone
HD 93083
- Spectral type
- K2 IV-V
- Surface temperature
- 5,034 K (Sun: 5,772 K)
- Mass
- 0.84 M☉
- Radius
- 0.84 R☉
- Luminosity
- 0.4070 L☉
- Age
- 10.7 billion years (Sun: 4.6)
Habitable zone of HD 93083: 0.499–1.205 AU (conservative: 0.632–1.142 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 93083 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 93083 b HZ | Cold Gas Giant | 145 d | — | 0.36 | 2005 |
| GJ 1137 c | Super Earth | 9.6 d | — | — | 2026 |
Discovery History
The first planet found here, HD 93083 b, was discovered in 2005 using the radial velocity method. The most recent addition, GJ 1137 c, followed in 2026.
- 2005 — HD 93083 b (Radial Velocity)
- 2026 — GJ 1137 c (Radial Velocity)
Frequently Asked Questions About HD 93083
How many planets does HD 93083 have?
HD 93083 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 93083 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is HD 93083?
HD 93083 is about 93 light-years from Earth in the constellation Antlia.
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