HATS-62 b
HATS-62 b is a hot Jupiter orbiting HATS-62 in the constellation Capricornus. It lies about 1,706 light-years from Earth and was discovered in 2018 using the transit method.
How Big Is HATS-62 b?
HATS-62 b has a radius of 11.83 times that of Earth, or 1.06 times the radius of Jupiter. Its mass is 56.9 times that of Earth, giving it a density of 0.08 g/cm³ — closer to gas planets like Jupiter (1.33 g/cm³).
Is HATS-62 b in the Habitable Zone?
HATS-62 b orbits inside the inner edge of the habitable zone of HATS-62. So close to its star, surface conditions are far too hot for liquid water.
Habitable zone of HATS-62: 0.628–1.495 AU (conservative: 0.795–1.418 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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Temperature on HATS-62 b
The equilibrium temperature of HATS-62 b is about 1,237 K (964 °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. It receives 387 times the stellar energy that Earth gets from the Sun.
Orbit and Year Length
A year on HATS-62 b — one full orbit around HATS-62 — lasts 3.28 Earth days, shorter than Mercury's 88-day year. It orbits at an average distance of 0.042 AU — closer to its star than Mercury is to the Sun. Its orbit is mildly elliptical (eccentricity 0.30).
How Was HATS-62 b Discovered?
HATS-62 b was discovered in 2018 using the transit method, with observations from HATSouth.
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 HATS-62 b?
HATS-62 b is 1,706.0 light-years (523.1 parsecs) from Earth. Light arriving here tonight left the planet about 1,706 years ago. A probe traveling at the speed of Voyager 1 — about 17 km/s, the fastest outbound spacecraft ever launched — would need roughly 30,025,600 years to make the journey.
Earth Similarity Index
The Earth Similarity Index (ESI) scores how physically similar a planet is to Earth, from 0 to 1, based on radius, density, escape velocity and surface temperature. HATS-62 b scores 0.08, ranking #4,730 of 5,568 planets with a known ESI. For reference, Mars scores about 0.70.
The Host Star: HATS-62
HATS-62
- Surface temperature
- 5,416 K (Sun: 5,772 K)
- Mass
- 0.90 M☉
- Radius
- 0.93 R☉
- Luminosity
- 0.6710 L☉
- Age
- 9.6 billion years (Sun: 4.6)
Planetary System
HATS-62 b is the only planet known to orbit HATS-62 so far.
HATS-62 b — Complete Data
| Radius | 11.825 Earth radii (1.055 Jupiter radii) |
|---|---|
| Mass | 56.89 Earth masses (0.179 Jupiter masses) |
| Density | 0.08 g/cm³ (Earth: 5.51) |
| Orbital period | 3.28 days |
| Orbital distance | 0.042 AU |
| Eccentricity | 0.298 |
| Equilibrium temperature | 1,237 K (964 °C) |
| Stellar irradiation | 387.40× Earth |
| Earth Similarity Index | 0.08 |
| Distance from Earth | 1,706.0 light-years (523.1 parsecs) |
| Constellation | Capricornus |
| Discovery method | Transit |
| Discovery facility | HATSouth |
| Discovery year | 2018 |
Data: NASA Exoplanet Archive, last updated 2024-07-12. Earth Similarity Index: PHL @ UPR Arecibo.
Frequently Asked Questions About HATS-62 b
Is HATS-62 b habitable?
No — HATS-62 b orbits too close to its star and is too hot for liquid water to exist on its surface.
How far away is HATS-62 b?
HATS-62 b is about 1,706 light-years from Earth in the constellation Capricornus. A spacecraft traveling as fast as Voyager 1 (about 17 km/s) would need roughly 30,025,600 years to get there.
How big is HATS-62 b compared to Earth?
HATS-62 b has 11.83 times the radius of Earth and about 56.9 times its mass.
How long is a year on HATS-62 b?
One orbit around HATS-62 takes 3.3 Earth days — short enough that 111 of its years would fit into one Earth year.
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