BD+20 594b
| Discovery | |
|---|---|
| Discovery site | Kepler Space Observatory, La Silla, Chile |
| Discovery date | 2016 |
| Transit | |
| Orbital characteristics | |
| 0.241 +0.019 −0.017[1] AU | |
| Eccentricity | 0[1] |
| 41.6855 +0.0030 −0.0031[1] d | |
| Inclination | 89.55+0.17 −0.14[1] |
| Star | |
| Physical characteristics | |
Mean radius | 2.23+0.14 −0.11[1] REarth |
| Mass | 16.3 +6.0 −6.1[1] MEarth |
Mean density | 7.890+3.400 −3.100 g cm−3 |
| Temperature | 546 K (273 °C; 523 °F) +19 −18 K |
BD+2 0594b (also known as K2-56b[1]) is a massive exoplanet discovered by the Kepler spacecraft in collaboration with the HARPS spectrometer at La Silla in Chile.
Naming[]
 | This section does not cite any sources. (October 2019) |
BD+20 594b indicates that the planet circles a star found in the Bonner Durchmusterung catalogue, BD +20° 594, the 594th entry in the +20-degree zone (declinations from +19 to +20 degrees); and that it is the first planet discovered orbiting that star.
K2-56b indicates that the planet circles a star catalogued in the Kepler 2 mission catalogue (part of the extended K2 Kepler mission), the 56th one in the catalogue; and that it is the first planet discovered orbiting that star.
Planet[]
With a radius of 2.2 R