The HD 137496 System
HD 137496 is a planetary system in the constellation Libra hosting 2 confirmed exoplanets, about 507 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 HD 137496
Planets without a measured radius are not shown.
HD 137496: Star and Habitable Zone
HD 137496
- Spectral type
- G
- Surface temperature
- 5,799 K (Sun: 5,772 K)
- Mass
- 1.04 M☉
- Radius
- 1.59 R☉
- Age
- 8.3 billion years (Sun: 4.6)
Habitable zone of HD 137496: 1.200–2.827 AU (conservative: 1.520–2.680 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 HD 137496 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 137496 b | Lava World | 1.6 d | 1.31 R⊕ | 0.29 | 2021 |
| HD 137496 c HZ | Cold Gas Giant | 480 d | — | 0.36 | 2021 |
Discovery History
The first planet found here, HD 137496 b, was discovered in 2021 using the transit method.
- 2021 — HD 137496 b (Transit)
- 2021 — HD 137496 c (Radial Velocity)
Frequently Asked Questions About HD 137496
How many planets does HD 137496 have?
HD 137496 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 137496 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 HD 137496?
HD 137496 is about 507 light-years from Earth in the constellation Libra.
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