The TOI-4010 System
TOI-4010 is a planetary system in the constellation Cassiopeia hosting 4 confirmed exoplanets, about 579 light-years from Earth.
Size Comparison: The Planets of TOI-4010
Planets without a measured radius are not shown.
TOI-4010: Star and Habitable Zone
TOI-4010
- Spectral type
- K V
- Surface temperature
- 4,960 K (Sun: 5,772 K)
- Mass
- 0.88 M☉
- Radius
- 0.83 R☉
- Age
- 6.1 billion years (Sun: 4.6)
Habitable zone of TOI-4010: 0.480–1.162 AU (conservative: 0.608–1.102 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 4 Planets in the TOI-4010 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-4010 b | Sub Neptune | 1.3 d | 3.02 R⊕ | 0.21 | 2023 |
| TOI-4010 c | Neptune-like | 5.4 d | 5.93 R⊕ | 0.14 | 2023 |
| TOI-4010 d | Cold Gas Giant | 15 d | 6.18 R⊕ | 0.16 | 2023 |
| TOI-4010 e | Cold Gas Giant | 762 d | — | 0.21 | 2023 |
Discovery History
The first planet found here, TOI-4010 b, was discovered in 2023 using the transit method.
- 2023 — TOI-4010 b (Transit)
- 2023 — TOI-4010 c (Transit)
- 2023 — TOI-4010 d (Transit)
- 2023 — TOI-4010 e (Radial Velocity)
Frequently Asked Questions About TOI-4010
How many planets does TOI-4010 have?
TOI-4010 has 4 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-4010 system habitable?
None of the known planets in TOI-4010 orbit within the star's habitable zone.
How far away is TOI-4010?
TOI-4010 is about 579 light-years from Earth in the constellation Cassiopeia.
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