Kepler-1489 c
Kepler-1489 c is a terrestrial planet orbiting the G star Kepler-1489 in the constellation Lyra. It lies about 4,185 light-years from Earth and was discovered in 2024 using the transit method.
How Big Is Kepler-1489 c?
Kepler-1489 c has a radius of 0.51 times that of Earth.
Is Kepler-1489 c in the Habitable Zone?
The position of Kepler-1489 c relative to the habitable zone of Kepler-1489 cannot be precisely determined from the available orbital data.
Habitable zone of Kepler-1489: 0.675–1.599 AU (conservative: 0.855–1.516 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-1489 c — one full orbit around Kepler-1489 — lasts just 16.3 hours, shorter than Mercury's 88-day year.
How Was Kepler-1489 c Discovered?
Kepler-1489 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-1489 c?
Kepler-1489 c is 4,184.7 light-years (1,283.1 parsecs) from Earth. Light arriving here tonight left the planet about 4,185 years ago. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 73,650,720 years to make the journey.
The Host Star: Kepler-1489
Kepler-1489
- Spectral type
- G
- Surface temperature
- 5,566 K (Sun: 5,772 K)
- Mass
- 0.98 M☉
- Radius
- 0.96 R☉
The Kepler-1489 Planetary System
Kepler-1489 c is one of 2 known planets in the Kepler-1489 system. Its siblings:
- Kepler-1489 b (Super Earth)
Kepler-1489 c — Complete Data
| Radius | 0.510 Earth radii (0.045 Jupiter radii) |
|---|---|
| Orbital period | 0.68 days |
| Distance from Earth | 4,184.7 light-years (1,283.1 parsecs) |
| Constellation | Lyra |
| 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-1489 c
Is Kepler-1489 c habitable?
Kepler-1489 c is not known to orbit within the habitable zone of Kepler-1489, and as a terrestrial planet it is an unlikely candidate for life as we know it.
How far away is Kepler-1489 c?
Kepler-1489 c is about 4,185 light-years from Earth in the constellation Lyra. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 73,650,720 years to get there.
How big is Kepler-1489 c compared to Earth?
Kepler-1489 c has 0.51 times the radius of Earth.
How long is a year on Kepler-1489 c?
One orbit around Kepler-1489 takes 0.7 Earth days — short enough that 537 of its years would fit into one Earth year.
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