8.86
Apparent Mag119
Distance (ly)K0V
Spectral Type5,046
Temperature (K)Kepler-444 is one of the oldest known planetary systems at about 11.2 billion years old. It hosts five sub-Earth-sized planets.
Stellar Data
Apparent Magnitude8.86
Absolute Magnitude6.7
Distance119 light-years
Spectral TypeK0V
Temperature5,046 K
Luminosity0.37 L☉
Radius0.752 R☉
Mass0.758 M☉
Right Ascension19h 19m 00.5s
Declination+41° 38′ 04.2″
ConstellationLyra
Notable Facts
- Kepler-444 formed 11.2 billion years ago, when the universe was about 20% of its current age
- It hosts five sub-Earth-sized planets
- The planets orbit too close to the star to be habitable