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The TOI-1694 System

2 planets 1 in habitable zone Camelopardalis

TOI-1694 is a planetary system in the constellation Camelopardalis hosting 2 confirmed exoplanets, about 407 light-years from Earth. One of its planets orbits within the habitable zone, where liquid water could exist on a planetary surface.

Size Comparison: The Planets of TOI-1694

Earth1.00 R⊕b5.27 R⊕
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Planets without a measured radius are not shown.

TOI-1694: Star and Habitable Zone

TOI-1694

Spectral type
K2 V - K3 V
Surface temperature
5,005 K (Sun: 5,772 K)
Mass
0.83 M☉
Radius
0.81 R☉
Luminosity
0.3810 L☉
Age
7.8 billion years (Sun: 4.6)
TOI-1694 b TOI-1694 c
Too hot Optimistic habitable zone Conservative habitable zone Too cold

Habitable zone of TOI-1694: 0.483–1.168 AU (conservative: 0.612–1.108 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 ›

All 2 Planets in the TOI-1694 System

PlanetTypeOrbitRadiusESIDiscovered
TOI-1694 bNeptune-like3.8 d5.27 R⊕0.152023
TOI-1694 c HZCold Gas Giant386 d0.322023

Discovery History

The first planet found here, TOI-1694 b, was discovered in 2023 using the transit method.

Frequently Asked Questions About TOI-1694

How many planets does TOI-1694 have?

TOI-1694 has 2 confirmed exoplanets. More may await discovery.

Are any planets in the TOI-1694 system habitable?

One planet in the system orbits within the habitable zone, where liquid water could exist. Actual habitability depends on atmospheres and composition, which are not yet known.

How far away is TOI-1694?

TOI-1694 is about 407 light-years from Earth in the constellation Camelopardalis.

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