HD 104067 c
HD 104067 c is a Neptune-like planet orbiting HD 104067 in the constellation Corvus. It lies about 66 light-years from Earth and was discovered in 2024 using the radial velocity method.
Is HD 104067 c in the Habitable Zone?
HD 104067 c orbits inside the inner edge of the habitable zone of HD 104067. So close to its star, surface conditions are far too hot for liquid water.
Habitable zone of HD 104067: 0.450–1.090 AU (conservative: 0.570–1.033 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 104067 c — one full orbit around HD 104067 — lasts 13.9 Earth days, shorter than Mercury's 88-day year. It orbits at an average distance of 0.106 AU — closer to its star than Mercury is to the Sun. Its orbit is mildly elliptical (eccentricity 0.29).
How Was HD 104067 c Discovered?
HD 104067 c was discovered in 2024 using the radial velocity method, with observations from Multiple Observatories.
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 104067 c?
HD 104067 c is 66.4 light-years (20.4 parsecs) from Earth. Light arriving here tonight left the planet around the year 1960. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 1,168,640 years to make the journey.
The Host Star: HD 104067
HD 104067
- Surface temperature
- 4,952 K (Sun: 5,772 K)
- Mass
- 0.82 M☉
- Radius
- 0.78 R☉
The HD 104067 Planetary System
HD 104067 c is one of 2 known planets in the HD 104067 system. Its siblings:
- HD 104067 b (Cold Gas Giant)
HD 104067 c — Complete Data
| Mass (best estimate) | 13.20 Earth masses |
|---|---|
| Orbital period | 13.90 days |
| Orbital distance | 0.106 AU |
| Eccentricity | 0.290 |
| Distance from Earth | 66.4 light-years (20.4 parsecs) |
| Constellation | Corvus |
| Discovery method | Radial Velocity |
| Discovery facility | Multiple Observatories |
| Discovery year | 2024 |
Data: NASA Exoplanet Archive, last updated 2024-04-05. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HD 104067 c
Is HD 104067 c habitable?
No — HD 104067 c orbits too close to its star and is too hot for liquid water to exist on its surface.
How far away is HD 104067 c?
HD 104067 c is about 66 light-years from Earth in the constellation Corvus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 1,168,640 years to get there.
How long is a year on HD 104067 c?
One orbit around HD 104067 takes 13.9 Earth days — short enough that 26 of its years would fit into one Earth year.
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