TIC 9344899 b
TIC 9344899 b is a hot Jupiter orbiting the G3 V star TIC 9344899 in the constellation Eridanus. It lies about 1,736 light-years from Earth and was discovered in 2026 using the transit method.
How Big Is TIC 9344899 b?
TIC 9344899 b has a radius of 9.16 times that of Earth, or 0.82 times the radius of Jupiter. Its mass is 6,170 times that of Earth, giving it a density of 44.10 g/cm³ — comparable to rocky planets like Earth (5.51 g/cm³).
Is TIC 9344899 b in the Habitable Zone?
TIC 9344899 b orbits inside the inner edge of the habitable zone of TIC 9344899. So close to its star, surface conditions are far too hot for liquid water.
Habitable zone of TIC 9344899: 0.779–1.834 AU (conservative: 0.987–1.739 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 TIC 9344899 b
The equilibrium temperature of TIC 9344899 b is about 923 K (650 °C) — hot enough to melt many metals. 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 TIC 9344899 b — one full orbit around TIC 9344899 — lasts 8.58 Earth days, shorter than Mercury's 88-day year. It orbits at an average distance of 0.082 AU — closer to its star than Mercury is to the Sun. Its orbit is nearly circular (eccentricity 0.029).
How Was TIC 9344899 b Discovered?
TIC 9344899 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 9344899 b?
TIC 9344899 b is 1,735.9 light-years (532.2 parsecs) from Earth. Light arriving here tonight left the planet about 1,736 years ago. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 30,551,840 years to make the journey.
The Host Star: TIC 9344899
TIC 9344899
- Spectral type
- G3 V
- Surface temperature
- 5,800 K (Sun: 5,772 K)
- Mass
- 0.98 M☉
- Radius
- 1.06 R☉
- Luminosity
- 1.0800 L☉
- Age
- 6.1 billion years (Sun: 4.6)
Planetary System
TIC 9344899 b is the only planet known to orbit TIC 9344899 so far.
TIC 9344899 b — Complete Data
| Radius | 9.160 Earth radii (0.817 Jupiter radii) |
|---|---|
| Mass | 6,170.00 Earth masses (19.400 Jupiter masses) |
| Density | 44.10 g/cm³ (Earth: 5.51) |
| Orbital period | 8.58 days |
| Orbital distance | 0.082 AU |
| Eccentricity | 0.029 |
| Equilibrium temperature | 923 K (650 °C) |
| Distance from Earth | 1,735.9 light-years (532.2 parsecs) |
| Constellation | Eridanus |
| Discovery method | Transit |
| Discovery facility | Transiting Exoplanet Survey Satellite (TESS) |
| Discovery year | 2026 |
Data: NASA Exoplanet Archive, last updated 2026-07-02. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About TIC 9344899 b
Is TIC 9344899 b habitable?
No — TIC 9344899 b orbits too close to its star and is too hot for liquid water to exist on its surface.
How far away is TIC 9344899 b?
TIC 9344899 b is about 1,736 light-years from Earth in the constellation Eridanus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 30,551,840 years to get there.
How big is TIC 9344899 b compared to Earth?
TIC 9344899 b has 9.16 times the radius of Earth and about 6,170 times its mass.
How long is a year on TIC 9344899 b?
One orbit around TIC 9344899 takes 8.6 Earth days — short enough that 43 of its years would fit into one Earth year.
Explore TIC 9344899 b in the app
Browse, filter and compare 6,000+ exoplanets on iPhone, iPad and Apple Watch — with habitable-zone views, widgets and offline data.
