Kepler-90
Artist's impression of the planets of the Kepler-90 exoplanetary system compared to the eight planets of the Solar System | |
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Draco |
| Right ascension | 18h 57m 44.03831s |
| Declination | +49° 18′ 18.4965″ |
| Apparent magnitude (V) | 13.9 |
| Characteristics | |
| Evolutionary stage | main sequence |
| Spectral type | F9 IV/V |
| Astrometry | |
| Radial velocity (Rv) | −15.54±2.91 km/s |
| Proper motion (μ) | RA: −4.350(12) mas/yr Dec.: −3.256(14) mas/yr |
| Parallax (π) | 1.1695±0.0112 mas |
| Distance | 2,790 ± 30 ly (855 ± 8 pc) |
| Details | |
| Mass | 1.2±0.1 M☉ |
| Radius | 1.2±0.1 R☉ |
| Luminosity | 1.7 L☉ |
| Surface gravity (log g) | 4.4 cgs |
| Temperature | 6,080+260 −170 K |
| Metallicity [Fe/H] | −0.12±0.18 dex |
| Rotation | 13.64 |
| Rotational velocity (v sin i) | 4.6±2.1 km/s |
| Age | 5.8 Gyr |
| Other designations | |
| 2MASS J18574403+4918185, KIC 11442793, KOI-351, Gaia DR2 2132193431285570304 | |
| Database references | |
| SIMBAD | data |
| Exoplanet Archive | data |
| KIC | data |
Kepler-90, also designated 2MASS J18574403+4918185, is an F-type star located about 2,790 light-years (855 pc) from Earth in the constellation of Draco. It is notable for being the only confirmed planetary system with the same number of observed planets as the Solar System.