TIC 117642575 b
TIC 117642575 b is a mini-Neptune orbiting TIC 117642575 in the constellation Sculptor. It lies about 616 light-years from Earth and was discovered in 2026 using the transit method.
How Big Is TIC 117642575 b?
TIC 117642575 b has a radius of 2.83 times that of Earth.
Is TIC 117642575 b in the Habitable Zone?
The position of TIC 117642575 b relative to the habitable zone of TIC 117642575 cannot be precisely determined from the available orbital data.
Habitable zone of TIC 117642575: 0.798–1.883 AU (conservative: 1.011–1.785 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 ›
Orbit and Year Length
A year on TIC 117642575 b — one full orbit around TIC 117642575 — lasts 4.94 Earth days, shorter than Mercury's 88-day year.
How Was TIC 117642575 b Discovered?
TIC 117642575 b was discovered in 2026 using the transit method, with observations from Transiting Exoplanet Survey Satellite (TESS).
The transit method watches a star for the tiny, regular dip in brightness that occurs when a planet crosses in front of it. The depth and timing of these dips reveal the planet's size and orbital period.
How Far Away Is TIC 117642575 b?
TIC 117642575 b is 615.6 light-years (188.8 parsecs) from Earth. Light arriving here tonight left the planet around the year 1411. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 10,834,560 years to make the journey.
The Host Star: TIC 117642575
TIC 117642575
- Surface temperature
- 5,720 K (Sun: 5,772 K)
- Radius
- 1.08 R☉
Planetary System
TIC 117642575 b is the only planet known to orbit TIC 117642575 so far.
TIC 117642575 b — Complete Data
| Radius | 2.827 Earth radii (0.252 Jupiter radii) |
|---|---|
| Orbital period | 4.94 days |
| Distance from Earth | 615.6 light-years (188.8 parsecs) |
| Constellation | Sculptor |
| Discovery method | Transit |
| Discovery facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-04-23. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About TIC 117642575 b
Is TIC 117642575 b habitable?
TIC 117642575 b is not known to orbit within the habitable zone of TIC 117642575, and as a mini-Neptune it is an unlikely candidate for life as we know it.
How far away is TIC 117642575 b?
TIC 117642575 b is about 616 light-years from Earth in the constellation Sculptor. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 10,834,560 years to get there.
How big is TIC 117642575 b compared to Earth?
TIC 117642575 b has 2.83 times the radius of Earth.
How long is a year on TIC 117642575 b?
One orbit around TIC 117642575 takes 4.9 Earth days — short enough that 74 of its years would fit into one Earth year.
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