Kepler-12
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Draco | 
| Right ascension | 19h 04m 58.4221s | 
| Declination | +50° 02′ 25.272″ | 
| Apparent magnitude (V) | 13.4 | 
| Astrometry | |
| Proper motion (μ) | RA: 3.070(11) mas/yr Dec.: 3.211(11) mas/yr | 
| Parallax (π) | 1.1351±0.0093 mas | 
| Distance | 2,870 ± 20 ly (881 ± 7 pc) | 
| Characteristics | |
| Spectral type | G0 | 
| Details | |
| Mass | 1.166±0.054 M☉ | 
| Radius | 1.483±0.029 R☉ | 
| Temperature | 5947±100 K | 
| Metallicity [Fe/H] | 0.07 (± 0.04) dex | 
| Rotational velocity (v sin i) | 2.7±0.5 km/s | 
| Age | 4.0±0.4 Gyr | 
| Other designations | |
| KOI-20, KIC 11804465, GSC 03549-00844, 2MASS J19045842+5002253 | |
| Database references | |
| SIMBAD | data | 
| KIC | data | 
Kepler-12 is an early G-type to late F-type star with a transiting planet Kepler-12b in a 4-day orbit. The star lies within the constellation Draco and is located approximately 881 parsecs (2,870 light-years) away from Earth.