The Kepler-487 System
Kepler-487 is a planetary system in the constellation Cygnus hosting 3 confirmed exoplanets, about 2,845 light-years from Earth.
Size Comparison: The Planets of Kepler-487
Kepler-487: Star and Habitable Zone
Kepler-487
- Surface temperature
- 5,444 K (Sun: 5,772 K)
- Mass
- 0.91 M☉
- Radius
- 0.88 R☉
- Age
- 5.6 billion years (Sun: 4.6)
Habitable zone of Kepler-487: 0.598–1.422 AU (conservative: 0.757–1.349 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 ›
All 3 Planets in the Kepler-487 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| Kepler-487 b | Cold Gas Giant | 15 d | 11.42 R⊕ | 0.10 | 2016 |
| Kepler-487 c | Mini Neptune | 39 d | 2.68 R⊕ | 0.30 | 2016 |
| Kepler-487 d | Mini Neptune | 2.4 d | 2.78 R⊕ | 0.22 | 2021 |
Discovery History
The first planet found here, Kepler-487 b, was discovered in 2016 using the transit method. The most recent addition, Kepler-487 d, followed in 2021.
- 2016 — Kepler-487 b (Transit)
- 2016 — Kepler-487 c (Transit)
- 2021 — Kepler-487 d (Transit)
Frequently Asked Questions About Kepler-487
How many planets does Kepler-487 have?
Kepler-487 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the Kepler-487 system habitable?
None of the known planets in Kepler-487 orbit within the star's habitable zone.
How far away is Kepler-487?
Kepler-487 is about 2,845 light-years from Earth in the constellation Cygnus.
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