Kepler-963 c
Kepler-963 c is a terrestrial planet orbiting the G star Kepler-963 in the constellation Cygnus. It lies about 2,516 light-years from Earth and was discovered in 2024 using the transit method.
How Big Is Kepler-963 c?
Kepler-963 c has a radius of 0.60 times that of Earth.
Is Kepler-963 c in the Habitable Zone?
The position of Kepler-963 c relative to the habitable zone of Kepler-963 cannot be precisely determined from the available orbital data.
Habitable zone of Kepler-963: 0.577–1.386 AU (conservative: 0.731–1.314 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 Kepler-963 c — one full orbit around Kepler-963 — lasts just 22.1 hours, shorter than Mercury's 88-day year.
How Was Kepler-963 c Discovered?
Kepler-963 c was discovered in 2024 using the transit method, with observations from Kepler.
The transit method watches a star for the tiny, regular dip in brightness that occurs when a planet crosses in front of it. The depth and timing of these dips reveal the planet's size and orbital period.
How Far Away Is Kepler-963 c?
Kepler-963 c is 2,516.3 light-years (771.5 parsecs) from Earth. Light arriving here tonight left the planet about 2,516 years ago. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 44,286,880 years to make the journey.
The Host Star: Kepler-963
Kepler-963
- Spectral type
- G
- Surface temperature
- 5,169 K (Sun: 5,772 K)
- Mass
- 0.82 M☉
- Radius
- 0.93 R☉
The Kepler-963 Planetary System
Kepler-963 c is one of 2 known planets in the Kepler-963 system. Its siblings:
- Kepler-963 b (Mini Neptune)
Kepler-963 c — Complete Data
| Radius | 0.600 Earth radii (0.054 Jupiter radii) |
|---|---|
| Orbital period | 0.92 days |
| Distance from Earth | 2,516.3 light-years (771.5 parsecs) |
| Constellation | Cygnus |
| Discovery method | Transit |
| Discovery facility | Kepler |
| Discovery year | 2024 |
Data: NASA Exoplanet Archive, last updated 2024-10-14. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About Kepler-963 c
Is Kepler-963 c habitable?
Kepler-963 c is not known to orbit within the habitable zone of Kepler-963, and as a terrestrial planet it is an unlikely candidate for life as we know it.
How far away is Kepler-963 c?
Kepler-963 c is about 2,516 light-years from Earth in the constellation Cygnus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 44,286,880 years to get there.
How big is Kepler-963 c compared to Earth?
Kepler-963 c has 0.60 times the radius of Earth.
How long is a year on Kepler-963 c?
One orbit around Kepler-963 takes 0.9 Earth days — short enough that 397 of its years would fit into one Earth year.
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