Kepler-378 is 496 light-years from the Sun. The NASA Exoplanet Archive lists 2 planets around this 4,661 K star; the first was found in 2014 by transit (Kepler).
Fly there in 3DKepler-378 b goes round its star every 16.1 days, 5 times as often as Mercury goes round the Sun.
| Surface temperature | 4,661 K |
| Mass | 0.78 solar masses |
| Radius | 0.671 solar radii |
| Luminosity | 0.2211 times the Sun |
| Apparent magnitude | 12.619 |
| Age | about 3.24 billion years |
| Distance from the Sun | 496.1 light-years (152.1 parsecs) |
| Position (J2000) | RA 294.9490°, Dec 46.4389° |
| Constellation | Cygnus |
| Planet | Year | Orbit | Radius | Mass | Found |
|---|---|---|---|---|---|
| Kepler-378 b | 16.1 days | 0.112 AU | 0.75 R⊕ | 0.347 M⊕ estimated | Transit, 2014 |
| Kepler-378 c | 28.9 days | 0.166 AU | 0.7 R⊕ | 0.271 M⊕ estimated | Transit, 2014 |
Values are the NASA Exoplanet Archive’s composite parameters. A radius marked estimated comes from a mass–radius relation; a mass marked minimum is M sin i. Planet sizes and colours in the 3D view are renderings: none of these worlds has been photographed as more than a point of light.