The TOI-1736 System
TOI-1736 is a planetary system in the constellation Cassiopeia hosting 2 confirmed exoplanets, about 290 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.
Size Comparison: The Planets of TOI-1736
Planets without a measured radius are not shown.
TOI-1736: Star and Habitable Zone
TOI-1736
- Surface temperature
- 5,636 K (Sun: 5,772 K)
- Mass
- 1.04 M☉
- Radius
- 1.43 R☉
- Luminosity
- 1.8650 L☉
- Age
- 9.2 billion years (Sun: 4.6)
Habitable zone of TOI-1736: 1.034–2.445 AU (conservative: 1.309–2.318 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-1736 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| TOI-1736 b | Sub Neptune | 7.1 d | 3.18 R⊕ | 0.24 | 2023 |
| TOI-1736 c HZ | Cold Gas Giant | 571 d | — | 0.40 | 2023 |
Discovery History
The first planet found here, TOI-1736 b, was discovered in 2023 using the transit method.
- 2023 — TOI-1736 b (Transit)
- 2023 — TOI-1736 c (Radial Velocity)
Frequently Asked Questions About TOI-1736
How many planets does TOI-1736 have?
TOI-1736 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the TOI-1736 system habitable?
One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.
How far away is TOI-1736?
TOI-1736 is about 290 light-years from Earth in the constellation Cassiopeia.