This page summarises the information held within TEPCat for the transiting planetary system TOI-3664. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2606.05295 | |
| Date of discovery paper | 2026 / 6 / 5 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 02 21 14.04 | h m s |
| Declination | +59 42 42.7 | d m s |
| Right ascension (decimal) | 35.30850 | degrees |
| Declination (decimal) | 59.71186 | degrees |
| V-band apparent magnitude | 13.88 | mag |
| K-band apparent magnitude | 11.48 | mag |
| Transit duration | 0.134 ( 3.22 ) | day hour |
| Transit depth | 1.2 | % |
| Time of mid-transit | 2460661.83115 ± 0.00079 | HJD or BJD |
| Orbital period | 3.2974839 ± 0.0000041 | days |
| Reference for orbital ephemeris | arXiv:2606.05295 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 5593 ± 32 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.17 ± 0.02 | dex |
| Stellar mass | 0.98 ± 0.03 | Msun |
| Stellar radius | 1.11 ± 0.02 | Rsun |
| Stellar logarithmic surface gravity | 4.37 ± 0.06 | c.g.s. |
| Stellar mean density | 0.719 ± 0.033 ( 1.015 ± 0.047 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.159 ± 0.074 | |
| Orbital semimajor axis | 0.0431 ± 0.0010 | AU |
| Planetary mass | 0.36 ± 0.12 ( 114 ± 38 ) | Mjup Mearth |
| Planetary radius | 1.222 ± 0.030 ( 13.70 ± 0.34 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 log(cgs) | |
| Planetary mean density | 0.187 ± 0.061 ( 0.248 ± 0.081 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 1232 ± 12 | K |
| Reference of detailed study | arXiv:2606.05295 |
TOI-3664 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/06/23 John Southworth (Keele University, UK)