stars
exoplanets
news
Exoplanet HD 1237 A b
Exoplanet HD 1237 A b orbits star HD 1237 A that lies 57 light years away from the Sun.
It weighs about 1071.347 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
57 light years
57 light years
Loading may take a moment.
HD 1237 A b
Exoplanet, gas giant
Star: HD 1237 A
Distance from the star: 0.49 AU
Orbit around star: 133.71 days
+
Orbital period
Orbital period of exoplanet HD 1237 A b around its star is 133.71 days.
The orbital period of an exoplanet is the time it takes to complete one full orbit around its star, usually measured in days. Most of the exoplanets discovered so far have orbital periods of less than one year...
More about Orbital period in StellarGuide
Eccentricity: 0.511Basic characteristic
Mass: 1071.347 M Earth
| 3.3711 M Jupiter
Exoplanet mass
Exoplanet HD 1237 A b has 1071.347 Earth masses (or 3.3711 Jupiter masses).
The mass of an exoplanet is one of the most important characteristics for understanding what kind of world it is — whether it’s small and rocky like Earth or large and gaseous like Jupiter. Mass provides key information about the planet’s composition, gravity, and formation history...
More about Exoplanet mass in StellarGuide
Year of discovery: 2000 (radial velocity)
Other designations of this exoplanet
2 G. Hydri b, CD−80° 9 b, GJ 3021 b, Gliese 3021 b, HIP 1292 b, HIC 1292 b, SAO 258219 b, 2MASS J00161266-7951042 b, LTT 127 b, NLTT 824 b, TIC 290543478 b, TYC 9354-780-1 b
2 G. Hydri b, CD−80° 9 b, GJ 3021 b, Gliese 3021 b, HIP 1292 b, HIC 1292 b, SAO 258219 b, 2MASS J00161266-7951042 b, LTT 127 b, NLTT 824 b, TIC 290543478 b, TYC 9354-780-1 b
Advertisement
HD 1237 system structure
Exoplanet HD 1237 A b orbits star HD 1237 A, which has similar mass to Sun. It is the only known exoplanet orbiting this star
|
|
HD 1237 A | ||||||||
| HD 1237 A b | 0.49 AU | 1071.3 M⊕ | 133.7 days | ||||||
|
|
HD 1237 B | 68 AU | |||||||
Comparison
When comparing to the Solar system planets, HD 1237 A b has 3.37 times the mass of Jupiter and it orbits its star between distances of Mercury and Venus from the Sun.
| Mercury | Venus | Earth | Mars | Jupiter | Saturn | Uranus | Neptune | ||
|---|---|---|---|---|---|---|---|---|---|
|
Mass | 19479.04 | 1314.54 | 1071.35 | 9739.52 | 3.37 | 11.25 | 73.38 | 62.29 |
|
Distance | 1.26 | 0.68 | 0.49 | 0.32 | 0.09 | 0.05 | 0.03 | 0.02 |
Habitability
Habitable zone of the star: 0.86 - 1.2 AU
The planet's orbit is close to hotter edge of the habitable zone of its star.