TOI-5624 f
TOI-5624 f is a Neptune-like planet orbiting TOI-5624 in the constellation Ursa Major. It lies about 332 light-years from Earth and was discovered in 2026 using the transit timing variations method.
Is TOI-5624 f in the Habitable Zone?
TOI-5624 f orbits inside the inner edge of the habitable zone of TOI-5624. So close to its star, surface conditions are far too hot for liquid water.
Habitable zone of TOI-5624: 0.537–1.283 AU (conservative: 0.680–1.216 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 ›
Temperature on TOI-5624 f
The equilibrium temperature of TOI-5624 f is about 479 K (205 °C) — hotter than anywhere on Earth. This estimate ignores any atmosphere, which could change surface temperatures dramatically — Earth's greenhouse effect adds about 33 °C.
Orbit and Year Length
A year on TOI-5624 f — one full orbit around TOI-5624 — lasts 45.4 Earth days, shorter than Mercury's 88-day year. It orbits at an average distance of 0.237 AU — closer to its star than Mercury is to the Sun.
How Was TOI-5624 f Discovered?
TOI-5624 f was discovered in 2026 using the transit timing variations method, with observations from Multiple Observatories.
Transit timing variations reveal a planet through its gravitational tug on a sibling planet, which makes that sibling's transits arrive slightly early or late. The pattern of these deviations betrays the hidden planet's mass and orbit.
How Far Away Is TOI-5624 f?
TOI-5624 f is 332.4 light-years (101.9 parsecs) from Earth. Light arriving here tonight left the planet around the year 1694. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 5,850,240 years to make the journey.
The Host Star: TOI-5624
TOI-5624
- Surface temperature
- 5,327 K (Sun: 5,772 K)
- Mass
- 0.86 M☉
- Radius
- 0.82 R☉
- Luminosity
- 0.4860 L☉
- Age
- 5.7 billion years (Sun: 4.6)
The TOI-5624 Planetary System
TOI-5624 f is one of 5 known planets in the TOI-5624 system. Its siblings:
- TOI-5624 b (Super Earth)
- TOI-5624 c (Mini Neptune)
- TOI-5624 d (Puffy Planet)
- TOI-5624 e (Puffy Planet)
TOI-5624 f — Complete Data
| Mass (best estimate) | 13.00 Earth masses |
|---|---|
| Orbital period | 45.37 days |
| Orbital distance | 0.237 AU |
| Equilibrium temperature | 479 K (205 °C) |
| Distance from Earth | 332.4 light-years (101.9 parsecs) |
| Constellation | Ursa Major |
| Discovery method | Transit Timing Variations |
| Discovery facility | Multiple Observatories |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-05-07. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About TOI-5624 f
Is TOI-5624 f habitable?
No — TOI-5624 f orbits too close to its star and is too hot for liquid water to exist on its surface.
How far away is TOI-5624 f?
TOI-5624 f is about 332 light-years from Earth in the constellation Ursa Major. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 5,850,240 years to get there.
How long is a year on TOI-5624 f?
One orbit around TOI-5624 takes 45.4 Earth days.
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