The TOI-2141 System
TOI-2141 is a planetary system in the constellation Hercules hosting 3 confirmed exoplanets, about 253 light-years from Earth.
Size Comparison: The Planets of TOI-2141
Planets without a measured radius are not shown.
TOI-2141: Star and Habitable Zone
TOI-2141
- Surface temperature
- 5,635 K (Sun: 5,772 K)
- Mass
- 0.90 M☉
- Radius
- 0.95 R☉
- Age
- 9.0 billion years (Sun: 4.6)
Habitable zone of TOI-2141: 0.684–1.618 AU (conservative: 0.866–1.534 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 3 Planets in the TOI-2141 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-2141 b | Super Earth | 18 d | 3.15 R⊕ | 0.23 | 2023 |
| TOI-2141 c | Super Earth | 5.5 d | — | — | 2025 |
| TOI-2141 d | Neptune-like | 60 d | — | — | 2025 |
Discovery History
The first planet found here, TOI-2141 b, was discovered in 2023 using the transit method. The most recent addition, TOI-2141 d, followed in 2025.
- 2023 — TOI-2141 b (Transit)
- 2025 — TOI-2141 c (Radial Velocity)
- 2025 — TOI-2141 d (Radial Velocity)
Frequently Asked Questions About TOI-2141
How many planets does TOI-2141 have?
TOI-2141 has 3 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-2141 system habitable?
None of the known planets in TOI-2141 orbit within the star's habitable zone.
How far away is TOI-2141?
TOI-2141 is about 253 light-years from Earth in the constellation Hercules.
Explore the TOI-2141 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.
