13point8All planet systems
1 known planet · 997.0 light years

DP Leo

DP Leo is a hot star 997.0 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

DP Leo

Type
hot star
Surface
≈ 13,500 K
Size
0.01 × the Sun
Mass
0.69 × the Sun
Brightness
0.00398 × the Sun
Habitable zone
0.0599–0.105 AU

The planets

DP Leo

DP Leo b

Year
28.0 years
Distance from star
8.19 AU
Mass
6.3 Jupiters
Size
13 × Earth
Temperature
≈ 24 K (-249 °C)
Found
2009, eclipse timing variations (Yunnan Astronomical Observatory)
Outside 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

Eclipse Timing Variations

Discovered by eclipse timing variations.

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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