Kepler-1669 d
A confirmed exoplanet orbiting Kepler-1669.
Compared with Earth
- Size
- About 1.2 times Earth's width.
- Temperature
- About 396 °C (745 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 47 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 4.7 Earth days.
Planet
- Radius
- 1.22 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 669 K
- Starlight received
- 47.3 × Earth
- Orbital period
- 4.729 days
- Average distance from its star
- 0.0468 AU
Star
- Host star
- Kepler-1669
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,224 K
- Radius
- 0.603 × Sun
- Mass
- 0.609 × Sun
- Age
- Unknown
System
- Distance from Earth
- 1,772 light-years (543.4 parsecs)
- Stars in system
- 1
- Known planets
- 3
Discovery
- Year
- 2023
- Method
- Transit
- Facility
- Kepler
Data from the NASA Exoplanet Archive, synced October 14, 2026.