HD 101581 c
A confirmed exoplanet orbiting HIP 56998.
Compared with Earth
- Size
- About 99% of Earth's width.
- Temperature
- About 474 °C (885 °F) from starlight alone, against -18 °C (-1 °F) for Earth measured the same way.
- Starlight
- About 52 times the starlight Earth gets from the Sun.
- Year
- A year here lasts about 6.2 Earth days.
Planet
- Radius
- 0.99 × Earth
- Mass
- Unknown
- Density
- Unknown
- Equilibrium temperature
- 747 K
- Starlight received
- 52 × Earth
- Orbital period
- 6.204 days
- Average distance from its star
- 0.0573 AU
Star
- Host star
- HIP 56998
- Spectral class
- K — orange dwarf
- Surface temperature
- 4,675 K
- Radius
- 0.63 × Sun
- Mass
- 0.653 × Sun
- Age
- 6.88 billion years
System
- Distance from Earth
- 41.68 light-years (12.78 parsecs)
- Stars in system
- 1
- Known planets
- 2
Discovery
- Year
- 2025
- Method
- Transit
- Facility
- Transiting Exoplanet Survey Satellite (TESS)
Data from the NASA Exoplanet Archive, synced October 14, 2026.