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| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 51m 40.0490s[1] |
| Declination | +46° 57′ 54.425″[1] |
| Apparent magnitude (V) | 15 |
| Characteristics | |
| Spectral type | G4IV |
| Variable type | planetary transit |
| Astrometry | |
| Proper motion (μ) | RA: −4.382(19) mas/yr[1] Dec.: −0.821(20) mas/yr[1] |
| Parallax (π) | 0.7803 ± 0.0154 mas[1] |
| Distance | 4,180 ± 80 ly (1,280 ± 30 pc) |
| Details | |
| Mass | 1.01 M☉ |
| Radius | 1.49669 R☉ |
| Luminosity | 0.3260445 L☉ |
| Temperature | 5692 ± 60.7121 K |
| Metallicity [Fe/H] | 0.0562149±0.0587866 dex |
| Age | 7.24+1.50 −1.56 years |
| Other designations | |
Kepler-87 is a star slightly more massive than the Sun and it is nearing the end of its main-sequence period.[2]