Exoplanet Iota Horologii b

Exoplanet Iota Horologii b orbits star Iota Horologii that lies 57 light years away from the Sun. It weighs about 788.409 Earth masses and orbits its star closer than Earth orbits Sun.
Sun distance
57 light years
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iconIota Horologii b

Exoplanet, gas giant
icon distanceDistance from the star: 0.96 AU
icon time Orbit around star: 307.2 days +
Orbital period
Orbital period of exoplanet Iota Horologii b around its star is 307.2 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... icon More about Orbital period in StellarGuide

Basic characteristic

icon weight
Mass: 788.409 M Earth
| 2.4808 M Jupiter
+
Exoplanet mass
Exoplanet Iota Horologii b has 788.409 Earth masses (or 2.4808 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... icon More about Exoplanet mass in StellarGuide
icon discoveryYear of discovery: 1999 (radial velocity)
Other designations of this exoplanet
ι Hor b, GJ 108 b, Gliese 108 b, HD 17051 b, HIC 12653 b, HIP 12653 b, HR 810 b, 2MASS J02423346-5048008 b, LTT 1322 b, NLTT 8800 b, TIC 166853853 b, TYC 8056-1164-1 b, WISEA J024233.84-504758.7 b
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Iota Horologii system structure

Exoplanet Iota Horologii b orbits star Iota Horologii, which has bigger mass than Sun. It is the only known exoplanet orbiting this star
Iota Horologii
Iota Horologii b 0.96 AU 788.4 M⊕ 307.2 days

Comparison

When comparing to the Solar system planets, Iota Horologii b has 2.48 times the mass of Jupiter and it orbits its star a little closer than Earth.
Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune
icon mass Mass 14334.71967.37788.417167.352.488.285445.84
icon distance Distance2.461.330.960.630.180.10.050.03

Habitability

Habitable zone of the star: 1.3 - 1.9 AU
check icon
The planet is orbiting on the edge of the habitable zone of its star.
question icon
The planet is a gas giant and has no surface, however life could still be possible in its atmosphere or on the potential moons orbiting the planet.

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