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1 known planet · 115.6 light years

HIP 66074

HIP 66074 is a orange dwarf 115.6 light years away, with 1 confirmed planet. Distances and orbital speeds are to scale; the star and planets are enlarged so you can see them.

Day 0
habitable zone (estimate)planet orbits

Green band: where liquid water could exist on a planet's surface. Drag to turn the system, pinch or scroll to zoom.

The star

The star

HIP 66074

Type
orange dwarf
Surface
≈ 4,300 K
Size
0.69 × the Sun
Mass
0.70 × the Sun
Brightness
0.152 × the Sun
Habitable zone
0.314–0.783 AU

The planets

HIP 66074

HIP 66074 b

Year
310.90 days
Distance from star
0.799 AU
Mass
5 Jupiters
Size
13 × Earth
Temperature
≈ 193 K (-80 °C)
Found
2023, astrometry (European Space Agency (ESA) Gaia Satellite)
Near the edge of the habitable zone

Masses found by the wobble method are minimums, because the orbit's tilt is unknown. Temperatures are equilibrium estimates for a bare planet, before any atmosphere.

How we know

The star's drift

The planet pulls the star in a tiny loop across the sky, measured against background stars over many years.

Sources

  1. Planet and star parameters: NASA Exoplanet Archive, Planetary Systems Composite Parameters, retrieved 1 Nov 2026. This research has made use of the NASA Exoplanet Archive, which is operated by the California Institute of Technology, under contract with NASA under the Exoplanet Exploration Program.
  2. Position: HYG Database v4.1 (CC BY-SA 4.0).
  3. Habitable zone: a simple estimate from the star's brightness (√L × 0.95 to 1.67 AU), shown as a guide.
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