The HD 109271 System
HD 109271 is a planetary system in the constellation Virgo hosting 2 confirmed exoplanets, about 182 light-years from Earth.
HD 109271: Star and Habitable Zone
HD 109271
- Spectral type
- G5 V
- Surface temperature
- 5,783 K (Sun: 5,772 K)
- Mass
- 1.05 M☉
- Luminosity
- 1.9999 L☉
- Age
- 7.3 billion years (Sun: 4.6)
Habitable zone of HD 109271: 1.061–2.499 AU (conservative: 1.344–2.370 AU), per Kopparapu et al. (2014). Earth orbits the Sun at 1 AU.
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All 2 Planets in the HD 109271 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 109271 b | Neptune-like | 7.9 d | — | 0.17 | 2013 |
| HD 109271 c | Neptune-like | 31 d | — | 0.17 | 2013 |
Discovery History
The first planet found here, HD 109271 b, was discovered in 2013 using the radial velocity method.
- 2013 — HD 109271 b (Radial Velocity)
- 2013 — HD 109271 c (Radial Velocity)
Frequently Asked Questions About HD 109271
How many planets does HD 109271 have?
HD 109271 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 109271 system habitable?
None of the known planets in HD 109271 orbit within the star's habitable zone.
How far away is HD 109271?
HD 109271 is about 182 light-years from Earth in the constellation Virgo.
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