The TOI-544 System
TOI-544 is a planetary system in the constellation Orion hosting 2 confirmed exoplanets, about 134 light-years from Earth.
Size Comparison: The Planets of TOI-544
Planets without a measured radius are not shown.
TOI-544: Star and Habitable Zone
TOI-544
- Surface temperature
- 4,169 K (Sun: 5,772 K)
- Mass
- 0.63 M☉
- Radius
- 0.62 R☉
- Age
- 9.0 billion years (Sun: 4.6)
Habitable zone of TOI-544: 0.262–0.658 AU (conservative: 0.332–0.623 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
See the full interactive habitable-zone view in the Exoplanet Explorer app ›
All 2 Planets in the TOI-544 System
Discovery History
The first planet found here, TOI-544 b, was discovered in 2022 using the transit method. The most recent addition, TOI-544 c, followed in 2023.
Frequently Asked Questions About TOI-544
How many planets does TOI-544 have?
TOI-544 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-544 system habitable?
None of the known planets in TOI-544 orbit within the star's habitable zone.
How far away is TOI-544?
TOI-544 is about 134 light-years from Earth in the constellation Orion.
Explore the TOI-544 system in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
