The HD 219828 System
2 planets
Pegasus
HD 219828 is a planetary system in the constellation Pegasus hosting 2 confirmed exoplanets, about 239 light-years from Earth.
HD 219828: Star and Habitable Zone
HD 219828
- Mass
- 1.04 M☉
All 2 Planets in the HD 219828 System
| Planet | Type | Orbit | Radius | ESI | Discovered |
|---|---|---|---|---|---|
| HD 219828 b | Neptune-like | 3.8 d | — | 0.16 | 2007 |
| HD 219828 c | — | 4,790 d | — | 0.20 | 2016 |
Discovery History
The first planet found here, HD 219828 b, was discovered in 2007 using the radial velocity method. The most recent addition, HD 219828 c, followed in 2016.
- 2007 — HD 219828 b (Radial Velocity)
- 2016 — HD 219828 c (Radial Velocity)
Frequently Asked Questions About HD 219828
How many planets does HD 219828 have?
HD 219828 has 2 confirmed exoplanets. More may await discovery.
Are any planets in the HD 219828 system habitable?
None of the known planets in HD 219828 orbit within the star's habitable zone.
How far away is HD 219828?
HD 219828 is about 239 light-years from Earth in the constellation Pegasus.
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