This page summarises the information held within TEPCat for the transiting planetary system TOI-210. Please see here for descriptions of the quantities given below.
| Quantity | Value | Unit |
|---|---|---|
| Reference of discovery paper | arXiv:2609.35747 | |
| Date of discovery paper | 2026 / 9 / 29 | y / m / d |
| Data/telescope used for discovery | TESS | |
| Right ascension | 05 55 50.85 | h m s |
| Declination | −73 59 07.1 | d m s |
| Right ascension (decimal) | 88.96188 | degrees |
| Declination (decimal) | -73.98531 | degrees |
| V-band apparent magnitude | 15.37 | mag |
| K-band apparent magnitude | 10.00 | mag |
| Transit duration | 0.0771 ( 1.850 ) | day hour |
| Transit depth | 0.04 | % |
| Time of mid-transit | 2459339.00523 ± 0.00024 | HJD or BJD |
| Orbital period | 9.0105563 ± 0.0000028 | days |
| Reference for orbital ephemeris | arXiv:2609.35747 |
| Quantity | Value | Unit |
|---|---|---|
| Stellar effective temperature | 3200 ± 50 | K |
| Stellar metal abundance ([Fe/H] or [M/H]) | +0.15 ± 0.11 | dex |
| Stellar mass | 0.310 ± 0.008 | Msun |
| Stellar radius | 0.329 ± 0.010 | Rsun |
| Stellar logarithmic surface gravity | 4.90 ± 0.03 | c.g.s. |
| Stellar mean density | 8.7 ± 0.9 ( 12.3 ± 1.3 ) | ρsun g cm-3 |
| Orbital eccentricity | 0.0 +0.38 −0.0 | |
| Orbital semimajor axis | 0.0579 ± 0.0024 | AU |
| Planetary mass | 0.0212 ± 0.0039 ( 6.7 ± 1.2 ) | Mjup Mearth |
| Planetary radius | 0.1993 ± 0.0066 ( 2.234 ± 0.074 ) | Rjup Rearth |
| Planetary surface gravity | m/s2 | |
| Planetary mean density | 2.5 ± 0.5 ( 3.32 ± 0.66 ) | ρjup g cm-3 |
| Planetary equilibrium temperature | 368 ± 9 | K |
| Reference of detailed study | arXiv:2609.35747 |
TOI-210 does not have an entry in the catalogue of orbital obliquity measurements.
Page generated on 2026/10/04 John Southworth (Keele University, UK)