2MASS J0249-0557 c
A confirmed exoplanet orbiting 2MASS J0249-0557 A.
Compared with Earth
- Size
- About 17 times Earth's width.
- Mass
- About 3,617 times Earth's mass.
- Temperature
- About 1,450 °C (2,642 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
Planet
- Radius
- 17.37 × Earth
- Mass
- 3,617 × Earth
- Density
- Unknown
- Equilibrium temperature
- 1,723 K
- Starlight received
- Unknown
- Orbital period
- Unknown
- Average distance from its star
- Unknown
Star
- Host star
- 2MASS J0249-0557 A
- Spectral class
- Unknown
- Surface temperature
- Unknown
- Radius
- Unknown
- Mass
- 0.046 × Sun
- Age
- 0.022 billion years
System
- Distance from Earth
- 215.5 light-years (66.06 parsecs)
- Stars in system
- 2
- Known planets
- 1
Discovery
- Year
- 2018
- Method
- Imaging
- Facility
- Mauna Kea Observatory
Data from the NASA Exoplanet Archive, synced October 14, 2026.