Exoplanet · mini-Neptune
TIC 154870955 b
TIC 154870955 b is a mini-Neptune orbiting the star TIC 154870955. Its year lasts 7.97 Earth days. It was discovered in 2026 by the Transit method.
| Host star | TIC 154870955 |
|---|---|
| Distance | 738.6 light-years (226.5 pc) |
| Orbital period | 7.97 days |
| Radius | 3.09 R⊕ · 0.276 R♃ |
| Mass | 9.77 M⊕ · 0.0307 M♃ (estimated from the radius) |
| Density | 1.81 g/cm³ |
| Discovery method | Transit |
| Discovery year | 2026 |
| Discovered by | Transiting Exoplanet Survey Satellite (TESS) |
In the sky
A telescope is needed to see it: its apparent magnitude is 13.43. Visible from the whole Northern Hemisphere and south to latitude 1° S. North of latitude 1° N it never sets.
Light's journey
The light you see tonight set out around the year 1287. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 13 million years.
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.