The 75 Cet System
75 Cet is a planetary system in the constellation Cetus hosting 2 confirmed exoplanets around 2 stars, about 271 light-years from Earth.
Star 75 Cet and Its Habitable Zone
75 Cet
- Spectral type
- G3 III
- Surface temperature
- 4,809 K (Sun: 5,772 K)
- Mass
- 1.92 M☉
- Radius
- 10.38 R☉
- Luminosity
- 51.8203 L☉
Habitable zone of 75 Cet: 5.688–13.860 AU (conservative: 7.204–13.140 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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All 2 Planets in the 75 Cet System
Discovery History
The first planet found here, 75 Cet b, was discovered in 2012 using the radial velocity method. The most recent addition, 75 Cet c, followed in 2023.
Frequently Asked Questions About 75 Cet
How many planets does 75 Cet have?
75 Cet has 2 confirmed exoplanets distributed around its 2 stars. More may await discovery.
Are any planets in the 75 Cet system habitable?
None of the known planets in 75 Cet orbit within the star's habitable zone.
How far away is 75 Cet?
75 Cet is about 271 light-years from Earth in the constellation Cetus.
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