This page summarises the information held within TEPCat for the transiting planetary system K2-263. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2018MNRAS.481.1839M | |
| Date of discovery paper | 2018 / 8 / 27 | y / m / d |
| Data/telescope used for discovery | K2 | |
| Right ascension | 08 38 43.78 | h m s |
| Declination | +15 40 50.4 | d m s |
| Right ascension (decimal) | 129.68242 | degrees |
| Declination (decimal) | 15.68067 | degrees |
| V-band apparent magnitude | 11.61 | mag |
| K-band apparent magnitude | 9.75 | mag |
| Transit duration | 0.1453 ( 3.487 ) | day hour |
| Transit depth | 0.06 | % |
| Time of mid-transit | 2459534.0662 ± 0.0021 | HJD or BJD |
| Orbital period | 50.819172 ± 0.000067 | days |
| Reference for orbital ephemeris | arXiv:2603.14552 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5372 ± 73 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | −0.08 ± 0.05 | dex |
| Stellar mass | 0.88 ± 0.03 | Msun |
| Stellar radius | 0.85 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.45 ± 0.10 | c.g.s. |
| Stellar mean density | 1.43 ± 0.11 ( 2.02 ± 0.16 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.080 +0.089 −0.057 | |
| Orbital semimajor axis | 0.2573 +0.0029 −0.0030 | AU |
| Planetary mass | 0.0484 +0.0075 −0.0079 ( 15.4 +2.4 −2.5 ) | Mjup Mearth |
| Planetary radius | 0.2242 +0.0098 −0.0085 ( 2.513 +0.110 −0.095 ) | Rjup Rearth |
| Planetary surface gravity | 25.1 +6.5 −5.6 3.4 +0.1 −0.1 | m/s2 log(cgs) |
| Planetary mean density | 4.25 +0.86 −0.82 ( 5.6 +1.1 −1.1 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 482 +7 −8 | K |
| Reference of detailed study | arXiv:2603.14552 |
K2-263 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/04/01 John Southworth (Keele University, UK)