This page summarises the information held within TEPCat for the transiting planetary system TOI-6420. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | 2025MNRAS.543..292S | |
| Date of discovery paper | 2025 / 9 / 4 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 08 22 10.64 | h m s |
| Declination | −19 07 27.5 | d m s |
| Right ascension (decimal) | 125.54433 | degrees |
| Declination (decimal) | -19.12431 | degrees |
| V-band apparent magnitude | 12.99 | mag |
| K-band apparent magnitude | 11.62 | mag |
| Transit duration | 0.1146 ( 2.750 ) | day hour |
| Transit depth | 0.6 | % |
| Time of mid-transit | 2459985.8467 ± 0.0012 | HJD or BJD |
| Orbital period | 6.961508 ± 0.000012 | days |
| Reference for orbital ephemeris | 2025MNRAS.543..292S |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 6020 +140 −150 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.240 +0.074 −0.077 | dex |
| Stellar mass | 1.165 +0.069 −0.078 | Msun |
| Stellar radius | 1.312 +0.051 −0.048 | Rsun |
| Stellar logarithmic surface gravity | 4.268 +0.044 −0.048 | c.g.s. |
| Stellar mean density | 0.515 +0.071 −0.069 ( 0.727 +0.100 −0.097 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.078 +0.014 −0.013 | |
| Orbital semimajor axis | 0.0753 +0.0014 −0.0017 | AU |
| Planetary mass | 8.20 +0.36 −0.40 ( 26067 +1144 −1272 ) | Mjup Mearth |
| Planetary radius | 1.065 +0.065 −0.059 ( 11.94 + 0.73 − 0.66 ) | Rjup Rearth |
| Planetary surface gravity | 179 +25 −23 4.25 +0.06 −0.06 | m/s2 log(cgs) |
| Planetary mean density | 6.3 +1.3 −1.1 ( 8.4 +1.7 −1.5 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1213 +20 −21 | K |
| Reference of detailed study | 2025MNRAS.543..292S |
TOI-6420 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/01/29 John Southworth (Keele University, UK)