This page summarises the information held within TEPCat for the transiting system Kepler-217d. 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 32 09.06 | h m s |
| Declination | +46 16 39.0 | d m s |
| Right ascension (decimal) | 293.03775 | degrees |
| Declination (decimal) | 46.27750 | degrees |
| V-band apparent magnitude | 13.41 | mag |
| K-band apparent magnitude | 12.10 | mag |
| Transit duration | 0.1535 ( 3.684 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2454965.49550 ± 0.00500 | HJD or BJD |
| Orbital period | 3.8868886 ± 0.0000227 | days |
| Reference for orbital ephemeris | 2016ApJ...822...86M |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6341 +97 −88 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | 0.09 +0.12 −0.08 | dex |
| Stellar mass | 1.370 +0.160 −0.040 | Msun |
| Stellar radius | 1.760 +0.460 −0.370 | Rsun |
| Stellar logarithmic surface gravity | 4.080 +0.170 −0.160 | c.g.s. |
| Stellar mean density | ρsun g cm-3 | |
| Orbital eccentricity | ||
| Orbital semimajor axis | AU | |
| Planetary mass | Mjup Mearth | |
| Planetary radius | 0.115 +0.020 −0.023 ( 1.29 +0.22 −0.26 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1574 | K |
| Reference of detailed study | 2016ApJ...822...86M |
Kepler-217d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2025/08/27 John Southworth (Keele University, UK)