Key parameters at a glance
- A radius of 13.40 Earth radii
- A mass of 117.28 Earth masses
- Surface gravity around 0.65 g
- An orbital period of 24.674 days
- Semi-major axis 0.1554 AU
- Distance from Earth 769.51 light-years
- Earth Similarity Index 0.251
- Travel time at Voyager 1 speed 13,570,302 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around TOI-2202
TOI-2202 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| TOI-2202 b | Gas Giant | 10.95 | 287.32 | 11.913 | 652 | 2021 |
| TOI-2202 c this | Gas Giant | 13.40 | 117.28 | 24.674 | — | 2021 |
TOI-2202 c Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#730of 1771
top 41.2%
This planet
13.40R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-2202 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.40 | 11.21 |
| Mass (M⊕) | 1.00 | 117.28 | 317.83 |
| Density (g/cm³) | 5.51 | 0.27 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.65 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 117.279 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 358107516
Gaia DR2
Gaia DR2 4641274773980363520
Gaia DR3
Gaia DR3 4641274773980363520
System
TOI-2202
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 24.67 Earth days (6.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1554 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.251
0 = alien, 1 = Earth-identical
Insufficient insolation data. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Trifonov et al. 2021Instrument
Multiple Instruments
Publication
2021-12
Observation locale
Ground
Discovery cohort
Planets confirmed in 2021 at Multiple Observatories (12 shown).
Host System: TOI-2202
Spectral Class
K-type orange
Effective Temperature
5,144 K — cooler than the Sun (5,778 K)
Estimated Age
7.48 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.794 R☉
Stellar Mass
0.823 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.550 dex
Stellar density
2.143 g/cm³
Rotational v·sin i
1.70 km/s
Rotation period
22.00 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
4.210 mas
Total Proper Motion
12.610 mas/yr
PM Right Ascension
-10.81 mas/yr
PM Declination
6.49 mas/yr
Galactic Cartesian (pc)
x = 0.173 · y = 0.215 · z = -0.961
Equatorial (J2000)
RA 51.22842° · Dec -73.95755°
Galactic ℓ, b
290.157° · -39.128°
Ecliptic λ, β
313.146° · -75.343°
HTM-20 index
900771409
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