Kepler-19b
| Exoplanet | List of exoplanets | |
|---|---|---|
| Parent star | ||
| Star | Kepler-19 | |
| Constellation | Cygnus | |
| Right ascension | (α) | 19h 21m 41.002s |
| Declination | (δ) | +37° 51′ 06.42″ |
| Apparent magnitude | (mV) | 12.04 ± 0.17 |
| Mass | (m) | 0.936 ± 0.040 M☉ |
| Radius | (r) | 0.859 ± 0.018 R☉ |
| Temperature | (T) | 5544 ± 20 K |
| Metallicity | [Fe/H] | 4.51 ± 0.03 |
| Age | 1.9 ± 1.7 Gyr | |
| Orbital elements | ||
| Semi-major axis | (a) | 0.085AU |
| Orbital period | (P) | 9.2869944 ± 0.0000088d |
| Inclination | (i) |
89.94+0.06 −0.44° |
| Time of transit | (Tt) | 2454959.70597JD |
| Physical characteristics | ||
| Mass | (m) | 8.4 ± 1.6M⊕ |
| Radius | (r) | 2.209 ± 0.048RJ |
| Density | (ρ) | 4.32 ± 0.87g cm−3 |
| Discovery information | ||
| Discovery date | 2 February 2011 | |
| Discoverer(s) | William J. Borucki et al. | |
| Discovery method | Transit method | |
| Other detection methods | Transit-timing variation | |
| Discovery status | Confirmed | |
| Database references | ||
| Extrasolar Planets Encyclopaedia |
data | |
| SIMBAD | data | |
| Exoplanet Archive | data | |
| Open Exoplanet Catalogue | data | |
Kepler-19b is a planet orbiting around the star Kepler-19. The planet has an orbital period of 9.3 days, with an estimated radius of roughly 2.2 times that of the Earth, with a mass around 8.4 times that of the Earth. It is one of two planets orbiting Kepler-19.
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