This page summarises the information held within TEPCat for the transiting system Kepler-888b. 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 42 05.09 | h m s |
| Declination | +49 44 19.0 | d m s |
| Right ascension (decimal) | 295.52121 | degrees |
| Declination (decimal) | 49.73861 | degrees |
| V-band apparent magnitude | 13.16 | mag |
| K-band apparent magnitude | 11.59 | mag |
| Transit duration | 0.2763 ( 6.631 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2455021.56795 ± 0.00400 | HJD or BJD |
| Orbital period | 70.6981724 ± 0.0003535 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5875 +66 −57 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.21 ± 0.10 | dex |
| Stellar mass | 0.970 +0.030 −0.040 | Msun |
| Stellar radius | 0.900 ± 0.030 | Rsun |
| Stellar logarithmic surface gravity | 4.520 +0.010 −0.020 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.145 +0.020 −0.009 ( 1.63 +0.22 −0.10 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 417 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-888b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)