Exoplanet · Neptune-like planet
TIC 290487717 b
TIC 290487717 b is a Neptune-like planet orbiting the star TIC 290487717. Its year lasts 3.4 Earth days. It was discovered in 2026 by the Transit method.
| Host star | TIC 290487717 |
|---|---|
| Distance | 1,290 light-years (395.6 pc) |
| Orbital period | 3.4 days |
| Radius | 6.64 R⊕ · 0.592 R♃ |
| Mass | 35.7 M⊕ · 0.112 M♃ (estimated from the radius) |
| Density | 0.671 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 13.49. Visible from the whole Northern Hemisphere and south to latitude 87° S. It stands highest at midnight in February, the best time to observe it.
Light's journey
The light you see tonight set out around the year 736. At the speed of Voyager 1, the fastest craft leaving the Solar System (16.9 km per second), the trip would take 23 million years.
Data: NASA Exoplanet Archive, PSCompPars. Its look in the simulation is a rendering based on the measured radius, mass and temperature.