The TOI-5489 System
2 planets
Cancer
TOI-5489 is a planetary system in the constellation Cancer hosting 2 confirmed exoplanets, about 147 light-years from Earth.
Size Comparison: The Planets of TOI-5489
TOI-5489: Star and Habitable Zone
TOI-5489
- Surface temperature
- 3,547 K (Sun: 5,772 K)
- Mass
- 0.41 M☉
- Radius
- 0.42 R☉
Too hot
Optimistic habitable zone
Conservative habitable zone
Too cold
Habitable zone of TOI-5489: 0.129–0.335 AU (conservative: 0.164–0.318 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-5489 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-5489 b | Super Earth | 3.2 d | 1.40 R⊕ | — | 2025 |
| TOI-5489 c | Super Earth | 4.9 d | 1.28 R⊕ | — | 2025 |
Discovery History
The first planet found here, TOI-5489 b, was discovered in 2025 using the transit method.
- 2025 — TOI-5489 b (Transit)
- 2025 — TOI-5489 c (Transit)
Frequently Asked Questions About TOI-5489
How many planets does TOI-5489 have?
TOI-5489 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-5489 system habitable?
None of the known planets in TOI-5489 orbit within the star's habitable zone.
How far away is TOI-5489?
TOI-5489 is about 147 light-years from Earth in the constellation Cancer.