HD 114386 c
HD 114386 c is a cold gas giant orbiting the K3 VC star HD 114386 in the constellation Centaurus. It lies about 91 light-years from Earth and was discovered in 2026 using the radial velocity method.
Is HD 114386 c in the Habitable Zone?
The position of HD 114386 c relative to the habitable zone of HD 114386 cannot be precisely determined from the available orbital data.
Orbit and Year Length
A year on HD 114386 c — one full orbit around HD 114386 — lasts 444.0 Earth days, longer than an Earth year. It orbits at an average distance of 1.050 AU — comparable to the inner Solar System. Its orbit is mildly elliptical (eccentricity 0.10).
How Was HD 114386 c Discovered?
HD 114386 c was discovered in 2026 using the radial velocity method, with observations from Las Campanas Observatory.
The radial velocity method measures the subtle wobble of a star caused by the gravitational pull of an orbiting planet, visible as periodic shifts in the star's light spectrum. The size of the wobble reveals the planet's minimum mass.
How Far Away Is HD 114386 c?
HD 114386 c is 91.1 light-years (27.9 parsecs) from Earth. Light arriving here tonight left the planet around the year 1935. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 1,603,360 years to make the journey.
The Host Star: HD 114386
HD 114386
- Spectral type
- K3 VC
- Surface temperature
- 4,895 K (Sun: 5,772 K)
- Mass
- 0.80 M☉
The HD 114386 Planetary System
HD 114386 c is one of 2 known planets in the HD 114386 system. Its siblings:
- HD 114386 b (Cold Gas Giant)
HD 114386 c — Complete Data
| Mass (best estimate) | 117.60 Earth masses |
|---|---|
| Orbital period | 444.00 days |
| Orbital distance | 1.050 AU |
| Eccentricity | 0.100 |
| Distance from Earth | 91.1 light-years (27.9 parsecs) |
| Constellation | Centaurus |
| Discovery method | Radial Velocity |
| Discovery facility | Las Campanas Observatory |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-03-12. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HD 114386 c
Is HD 114386 c habitable?
HD 114386 c is not known to orbit within the habitable zone of HD 114386, and as a cold gas giant it is an unlikely candidate for life as we know it.
How far away is HD 114386 c?
HD 114386 c is about 91 light-years from Earth in the constellation Centaurus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 1,603,360 years to get there.
How long is a year on HD 114386 c?
One orbit around HD 114386 takes 444.0 Earth days.
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