This page summarises the information held within TEPCat for the transiting system Kepler-669b. 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 27 44.67 | h m s |
| Declination | +49 15 14.3 | d m s |
| Right ascension (decimal) | 291.93613 | degrees |
| Declination (decimal) | 49.25397 | degrees |
| V-band apparent magnitude | 15.66 | mag |
| K-band apparent magnitude | 14.20 | mag |
| Transit duration | 0.1323 ( 3.175 ) | day hour |
| Transit depth | 0.15 | % |
| Time of mid-transit | 2455002.75259 ± 0.00061 | HJD or BJD |
| Orbital period | 4.1255435 ± 0.0000031 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6038 +98 −109 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.14 +0.15 −0.14 | dex |
| Stellar mass | 1.150 +0.100 −0.050 | Msun |
| Stellar radius | 1.200 +0.320 −0.130 | Rsun |
| Stellar logarithmic surface gravity | 4.340 +0.080 −0.180 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.395 +0.128 −0.045 ( 4.43 +1.43 −0.50 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1243 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-669b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)