The HD 45364 System
HD 45364 is a planetary system in the constellation Canis Major hosting 2 confirmed exoplanets, about 112 light-years from Earth. 2 of its planets orbit within the habitable zone, where liquid water could exist on a planetary surface.
HD 45364: Star and Habitable Zone
HD 45364
- Spectral type
- K0 V
- Surface temperature
- 5,466 K (Sun: 5,772 K)
- Mass
- 0.82 M☉
- Radius
- 0.89 R☉
- Luminosity
- 0.6370 L☉
Habitable zone of HD 45364: 0.610–1.450 AU (conservative: 0.773–1.375 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 45364 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 45364 b HZ | Cold Gas Giant | 226 d | — | 0.42 | 2008 |
| HD 45364 c HZ | Cold Gas Giant | 345 d | — | 0.38 | 2008 |
Discovery History
The first planet found here, HD 45364 b, was discovered in 2008 using the radial velocity method.
- 2008 — HD 45364 b (Radial Velocity)
- 2008 — HD 45364 c (Radial Velocity)
Frequently Asked Questions About HD 45364
How many planets does HD 45364 have?
HD 45364 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 45364 system habitable?
2 planets in the system orbit 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 45364?
HD 45364 is about 112 light-years from Earth in the constellation Canis Major.
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