K2-232 c
K2-232 c is a cold gas giant orbiting the F star K2-232 in the constellation Taurus. It lies about 426 light-years from Earth and was discovered in 2026 using the radial velocity method.
Is K2-232 c in the Habitable Zone?
K2-232 c orbits beyond the outer edge of the habitable zone of K2-232. At that distance, any surface water would almost certainly be frozen.
Habitable zone of K2-232: 0.992–2.320 AU (conservative: 1.257–2.200 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 ›
Orbit and Year Length
A year on K2-232 c — one full orbit around K2-232 — lasts 1,950.0 Earth days, longer than an Earth year. It orbits at an average distance of 3.170 AU. Its orbit is highly elliptical (eccentricity 0.35), swinging dramatically closer to and farther from its star.
How Was K2-232 c Discovered?
K2-232 c was discovered in 2026 using the radial velocity method, with observations from Multiple Facilities.
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 K2-232 c?
K2-232 c is 426.4 light-years (130.7 parsecs) from Earth. Light arriving here tonight left the planet around the year 1600. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 7,504,640 years to make the journey.
The Host Star: K2-232
K2-232
- Spectral type
- F
- Surface temperature
- 6,100 K (Sun: 5,772 K)
- Mass
- 1.12 M☉
- Radius
- 1.21 R☉
- Age
- 3.9 billion years (Sun: 4.6)
The K2-232 Planetary System
K2-232 c is one of 2 known planets in the K2-232 system. Its siblings:
- K2-232 b (Cold Gas Giant)
K2-232 c — Complete Data
| Mass (best estimate) | 1,687.67 Earth masses |
|---|---|
| Orbital period | 1,950.00 days |
| Orbital distance | 3.170 AU |
| Eccentricity | 0.352 |
| Distance from Earth | 426.4 light-years (130.7 parsecs) |
| Constellation | Taurus |
| Discovery method | Radial Velocity |
| Discovery facility | Multiple Facilities |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-09-25. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About K2-232 c
Is K2-232 c habitable?
No — K2-232 c orbits outside the habitable zone of K2-232 and is likely too cold for liquid water on its surface.
How far away is K2-232 c?
K2-232 c is about 426 light-years from Earth in the constellation Taurus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 7,504,640 years to get there.
How long is a year on K2-232 c?
One orbit around K2-232 takes 1,950.0 Earth days.
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