PLANETARY SYSTEM
BD+20 2457
2 confirmed planets in our catalogue, 5,021.9 light-years from Earth.
Ordered by orbital period where known. Diagram is illustrative; distances and planet sizes are not to scale.
| World / host star | Type | Distance | Year length | Discovery |
|---|---|---|---|---|
| BD+20 2457 b ↗BD+20 2457 | Gas giant | 5,021.9 ly | 379.63 days | 2009Radial Velocity |
| BD+20 2457 c ↗BD+20 2457 | Gas giant | 5,021.9 ly | 621.99 days | 2009Radial Velocity |
System discovery history
2009 · BD+20 2457 b · Radial Velocity
2009 · BD+20 2457 c · Radial Velocity