HD 60779 c
HD 60779 c is a Neptune-like planet orbiting the G1 V star HD 60779 in the constellation Monoceros. It lies about 116 light-years from Earth and was discovered in 2026 using the radial velocity method.
Is HD 60779 c in the Habitable Zone?
The position of HD 60779 c relative to the habitable zone of HD 60779 cannot be precisely determined from the available orbital data.
Habitable zone of HD 60779: 0.922–2.156 AU (conservative: 1.168–2.045 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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Orbit and Year Length
A year on HD 60779 c — one full orbit around HD 60779 — lasts 104.8 Earth days, between the years of Mercury (88 days) and Earth (365 days). Its orbit is nearly circular (eccentricity 0.041).
How Was HD 60779 c Discovered?
HD 60779 c was discovered in 2026 using the radial velocity method, with observations from Roque de los Muchachos 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 60779 c?
HD 60779 c is 115.6 light-years (35.4 parsecs) from Earth. Light arriving here tonight left the planet around the year 1911. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 2,034,560 years to make the journey.
The Host Star: HD 60779
HD 60779
- Spectral type
- G1 V
- Surface temperature
- 6,081 K (Sun: 5,772 K)
- Mass
- 1.05 M☉
- Radius
- 1.13 R☉
- Luminosity
- 1.5660 L☉
The HD 60779 Planetary System
HD 60779 c is one of 2 known planets in the HD 60779 system. Its siblings:
- HD 60779 b (Sub Neptune)
HD 60779 c — Complete Data
| Mass (best estimate) | 28.30 Earth masses |
|---|---|
| Orbital period | 104.79 days |
| Eccentricity | 0.041 |
| Distance from Earth | 115.6 light-years (35.4 parsecs) |
| Constellation | Monoceros |
| Discovery method | Radial Velocity |
| Discovery facility | Roque de los Muchachos Observatory |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-08-06. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HD 60779 c
Is HD 60779 c habitable?
HD 60779 c is not known to orbit within the habitable zone of HD 60779, and as a Neptune-like planet it is an unlikely candidate for life as we know it.
How far away is HD 60779 c?
HD 60779 c is about 116 light-years from Earth in the constellation Monoceros. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 2,034,560 years to get there.
How long is a year on HD 60779 c?
One orbit around HD 60779 takes 104.8 Earth days.
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