NGTS-15 b
A confirmed exoplanet orbiting NGTS-15.
Compared with Earth
- Size
- About 12 times Earth's width.
- Mass
- About 239 times Earth's mass.
- Temperature
- About 873 °C (1,603 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 425 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 3.3 Earth days.
Planet
- Radius
- 12.33 × Earth
- Mass
- 238.7 × Earth
- Density
- 0.74 g/cm³
- Equilibrium temperature
- 1,146 K
- Starlight received
- 425 × Earth
- Orbital period
- 3.276 days
- Average distance from its star
- 0.0441 AU
Star
- Host star
- NGTS-15
- Spectral class
- G — sun-like
- Surface temperature
- 5,600 K
- Radius
- 0.954 × Sun
- Mass
- 0.995 × Sun
- Age
- 3.28 billion years
System
- Distance from Earth
- 2,565 light-years (786.5 parsecs)
- Stars in system
- 1
- Known planets
- 1
Discovery
- Year
- 2021
- Method
- Transit
- Facility
- Next-Generation Transit Survey (NGTS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.