Kepler-1130 d
Kepler-1130 d is a terrestrial planet orbiting Kepler-1130 in the constellation Lyra. It lies about 813 light-years from Earth and was discovered in 2021 using the transit method.
How Big Is Kepler-1130 d?
Kepler-1130 d has a radius of 0.64 times that of Earth.
Is Kepler-1130 d in the Habitable Zone?
The position of Kepler-1130 d relative to the habitable zone of Kepler-1130 cannot be precisely determined from the available orbital data.
Habitable zone of Kepler-1130: 0.543–1.294 AU (conservative: 0.688–1.227 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-1130 d — one full orbit around Kepler-1130 — lasts 4.27 Earth days, shorter than Mercury's 88-day year.
How Was Kepler-1130 d Discovered?
Kepler-1130 d was discovered in 2021 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-1130 d?
Kepler-1130 d is 813.2 light-years (249.3 parsecs) from Earth. Light arriving here tonight left the planet around the year 1213. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 14,312,320 years to make the journey.
Earth Similarity Index
The Earth Similarity Index (ESI) scores how physically similar a planet is to Earth, from 0 to 1, based on radius, density, escape velocity and surface temperature. Kepler-1130 d scores 0.28, ranking #2,144 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: Kepler-1130
Kepler-1130 d belongs to a system of 2 stars; it orbits Kepler-1130.
Kepler-1130
- Surface temperature
- 5,403 K (Sun: 5,772 K)
- Mass
- 0.90 M☉
- Radius
- 0.81 R☉
- Age
- 1.6 billion years (Sun: 4.6)
The Kepler-1130 Planetary System
Kepler-1130 d is one of 3 known planets in the Kepler-1130 system. Its siblings:
- Kepler-1130 b (Terrestrial)
- Kepler-1130 c (Terrestrial)
Kepler-1130 d — Complete Data
| Radius | 0.645 Earth radii (0.058 Jupiter radii) |
|---|---|
| Orbital period | 4.27 days |
| Earth Similarity Index | 0.28 |
| Distance from Earth | 813.2 light-years (249.3 parsecs) |
| Constellation | Lyra |
| Discovery method | Transit |
| Discovery facility | Kepler |
| Discovery year | 2021 |
Data: NASA Exoplanet Archive, last updated 2021-12-05. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About Kepler-1130 d
Is Kepler-1130 d habitable?
Kepler-1130 d is not known to orbit within the habitable zone of Kepler-1130, and as a terrestrial planet it is an unlikely candidate for life as we know it.
How far away is Kepler-1130 d?
Kepler-1130 d is about 813 light-years from Earth in the constellation Lyra. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 14,312,320 years to get there.
How big is Kepler-1130 d compared to Earth?
Kepler-1130 d has 0.64 times the radius of Earth.
How long is a year on Kepler-1130 d?
One orbit around Kepler-1130 takes 4.3 Earth days — short enough that 85 of its years would fit into one Earth year.
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