This page summarises the information held within TEPCat for the transiting system Kepler-998b. 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 47 00.99 | h m s |
| Declination | +49 12 31.4 | d m s |
| Right ascension (decimal) | 296.75412 | degrees |
| Declination (decimal) | 49.20872 | degrees |
| V-band apparent magnitude | 14.53 | mag |
| K-band apparent magnitude | 12.89 | mag |
| Transit duration | 0.0812 ( 1.949 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2454964.71154 ± 0.00200 | HJD or BJD |
| Orbital period | 5.6537816 ± 0.0000110 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6058 +104 −165 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.07 +0.14 −0.15 | dex |
| Stellar mass | 1.120 +0.100 −0.030 | Msun |
| Stellar radius | 1.180 +0.310 −0.150 | Rsun |
| Stellar logarithmic surface gravity | 4.340 +0.100 −0.170 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.162 +0.052 −0.013 ( 1.82 +0.58 −0.15 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1020 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-998b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)