Kepler-102 d
A confirmed exoplanet orbiting Kepler-102.
Compared with Earth
- Size
- About 1.2 times Earth's width.
- Mass
- About 3 times Earth's mass.
- Temperature
- About 413 °C (775 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 37 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 10 Earth days.
Planet
- Radius
- 1.154 × Earth
- Mass
- 3 × Earth
- Density
- 10.7 g/cm³
- Equilibrium temperature
- 686 K
- Starlight received
- 36.9 × Earth
- Orbital period
- 10.31 days
- Average distance from its star
- 0.08618 AU
Star
- Host star
- Kepler-102
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,909 K
- Radius
- 0.724 × Sun
- Mass
- 0.803 × Sun
- Age
- 1.1 billion years
System
- Distance from Earth
- 351.6 light-years (107.8 parsecs)
- Stars in system
- 1
- Known planets
- 5
Discovery
- Year
- 2014
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.