This page summarises the information held within TEPCat for the transiting planetary system TOI-201d. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2026Natur.654..614J | |
| Date of discovery paper | 2026 / 6 / 19 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 49 36.41 | h m s |
| Declination | −54 54 38.6 | d m s |
| Right ascension (decimal) | 87.40171 | degrees |
| Declination (decimal) | -54.91072 | degrees |
| V-band apparent magnitude | 9.72 | mag |
| K-band apparent magnitude | 7.85 | mag |
| Transit duration | 0.09 ( 2.2 ) | day hour |
| Transit depth | 0.01 | % |
| Time of mid-transit | 2458374.032 ± 0.003 | HJD or BJD |
| Orbital period | 5.84889 ± 0.00009 | days |
| Reference for orbital ephemeris | arXiv:2604.23929 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6423 +90 −86 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.23 ± 0.06 | dex |
| Stellar mass | 1.32 ± 0.04 | Msun |
| Stellar radius | 1.31 ± 0.01 | Rsun |
| Stellar logarithmic surface gravity | 4.33 +0.02 −0.03 | c.g.s. |
| Stellar mean density | 0.605 +0.049 −0.050 ( 0.854 +0.069 −0.071 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.116 +0.154 −0.084 | |
| Orbital semimajor axis | 0.3026 ± 0.0021 | AU |
| Planetary mass | 0.018 ± 0.006 ( 5.7 ± 1.9 ) | Mjup Mearth |
| Planetary radius | 0.124 ± 0.006 ( 1.390 ± 0.067 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 8.3 ± 3.0 ( 11.0 ± 4.0 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1338 ± 15 | K |
| Reference of detailed study | arXiv:2604.23929 |
TOI-201d does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/07/07 John Southworth (Keele University, UK)