This page summarises the information held within TEPCat for the transiting planetary system Kepler-553b. 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 54 12.20 | h m s |
| Declination | +48 19 56.8 | d m s |
| Right ascension (decimal) | 298.55083 | degrees |
| Declination (decimal) | 48.33244 | degrees |
| V-band apparent magnitude | 15.16 | mag |
| K-band apparent magnitude | 13.06 | mag |
| Transit duration | 0.1157 ( 2.777 ) | day hour |
| Transit depth | 0.3 | % |
| Time of mid-transit | 2455004.09212 ± 0.00038 | HJD or BJD |
| Orbital period | 4.0304670 ± 0.0000018 | days |
| Reference for orbital ephemeris | 2024ApJS..271...16D |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5191 +76 −78 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.152 ± 0.058 | dex |
| Stellar mass | 0.889 +0.046 −0.036 | Msun |
| Stellar radius | 0.902 +0.021 −0.026 | Rsun |
| Stellar logarithmic surface gravity | 4.440 +0.019 −0.027 | c.g.s. |
| Stellar mean density | 1.22 +0.07 −0.11 ( 1.721 +0.099 −0.155 ) | ρsun g cm-3 |
| Orbital eccentricity | ||
| Orbital semimajor axis | 0.04766 +0.00081 −0.00065 | AU |
| Planetary mass | 0.0 +0.365 −0.0 ( 0 +116 −0 ) | Mjup Mearth |
| Planetary radius | 0.423 +0.016 −0.011 ( 4.74 +0.18 −0.12 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | ρjup g cm-3 | |
| Planetary equilibrium temperature | 1089 ± 19 | K |
| Reference of detailed study | 2024ApJS..271...16D |
Kepler-553b does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)