Kepler-1550 b
Kepler-1550 b is a sub-Neptune orbiting Kepler-1550 in the constellation Lyra. It lies about 3,845 light-years from Earth and was discovered in 2016 using the transit method.
How Big Is Kepler-1550 b?
Kepler-1550 b has a radius of 3.02 times that of Earth.
Is Kepler-1550 b in the Habitable Zone?
The position of Kepler-1550 b relative to the habitable zone of Kepler-1550 cannot be precisely determined from the available orbital data.
Habitable zone of Kepler-1550: 0.884–2.072 AU (conservative: 1.120–1.964 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-1550 b — one full orbit around Kepler-1550 — lasts 225.6 Earth days, between the years of Mercury (88 days) and Earth (365 days).
How Was Kepler-1550 b Discovered?
Kepler-1550 b was discovered in 2016 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-1550 b?
Kepler-1550 b is 3,845.4 light-years (1,179.0 parsecs) from Earth. Light arriving here tonight left the planet about 3,845 years ago. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 67,679,040 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-1550 b scores 0.55, ranking #187 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: Kepler-1550
Kepler-1550
- Surface temperature
- 5,991 K (Sun: 5,772 K)
- Mass
- 1.07 M☉
- Radius
- 1.11 R☉
- Age
- 3.6 billion years (Sun: 4.6)
Planetary System
Kepler-1550 b is the only planet known to orbit Kepler-1550 so far.
Kepler-1550 b — Complete Data
| Radius | 3.020 Earth radii (0.269 Jupiter radii) |
|---|---|
| Orbital period | 225.58 days |
| Earth Similarity Index | 0.55 |
| Distance from Earth | 3,845.4 light-years (1,179.0 parsecs) |
| Constellation | Lyra |
| Discovery method | Transit |
| Discovery facility | Kepler |
| Discovery year | 2016 |
Data: NASA Exoplanet Archive, last updated 2016-05-06. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About Kepler-1550 b
Is Kepler-1550 b habitable?
Kepler-1550 b is not known to orbit within the habitable zone of Kepler-1550, and as a sub-Neptune it is an unlikely candidate for life as we know it.
How far away is Kepler-1550 b?
Kepler-1550 b is about 3,845 light-years from Earth in the constellation Lyra. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 67,679,040 years to get there.
How big is Kepler-1550 b compared to Earth?
Kepler-1550 b has 3.02 times the radius of Earth.
How long is a year on Kepler-1550 b?
One orbit around Kepler-1550 takes 225.6 Earth days.
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