This page summarises the information held within TEPCat for the transiting system Kepler-668b. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2016ApJ...822...86M | |
| Date of discovery paper | 2016 / 5 / 10 | y / m / d |
| Data/telescope used for discovery | Kepler | |
| Right ascension | 19 01 59.81 | h m s |
| Declination | +49 16 38.4 | d m s |
| Right ascension (decimal) | 285.49921 | degrees |
| Declination (decimal) | 49.27733 | degrees |
| V-band apparent magnitude | 15.50 | mag |
| K-band apparent magnitude | 13.53 | mag |
| Transit duration | 0.0938 ( 2.251 ) | day hour |
| Transit depth | 0.10 | % |
| Time of mid-transit | 2455004.63257 ± 0.00100 | HJD or BJD |
| Orbital period | 8.3538952 ± 0.0000152 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5352 ± 61 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.06 +0.15 −0.17 | dex |
| Stellar mass | 0.870 +0.040 −0.160 | Msun |
| Stellar radius | 0.820 +0.060 −0.050 | Rsun |
| Stellar logarithmic surface gravity | 4.550 +0.030 −0.070 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.225 +0.048 −0.021 ( 2.52 +0.54 −0.24 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 790 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-668b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)