Key parameters at a glance
- A radius of 11.47 Earth radii
- A mass of 6,995.40 Earth masses
- Surface gravity around 53.20 g
- An orbital period of 7.149 days
- Semi-major axis 0.0804 AU
- Equilibrium temperature 1,515 K (1242 °C)
- Distance from Earth 1,357.15 light-years
- Earth Similarity Index 0.076
- Travel time at Voyager 1 speed 23,933,307 years
TOI-5882 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1593of 1771
top 89.9%
This planet
11.47R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-5882 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.47 | 11.21 |
| Mass (M⊕) | 1.00 | 6,995.40 | 317.83 |
| Density (g/cm³) | 5.51 | 25.40 | 1.33 |
| Surface Gravity (g) | 1.00 | 53.20 | 2.53 |
| Insolation (S⊕) | 1.00 | 4,792.50 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 6,995.403 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 232941965
Gaia DR2
Gaia DR2 1869489729418662528
Gaia DR3
Gaia DR3 1869489729418662528
System
TOI-5882
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.15 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0804 AU.
Transit Fingerprint
Depth
0.190 %
Duration
7.126 h
Impact parameter b
0.190
Rp / R★
0.046500
Transit midpoint (BJD)
2,459,768.8621
Photometric dip
Transit produces a flux drop of 1,900 ppm lasting ≈ 7.13 h.
Extended Orbital Architecture
Planet / star radius ratio
0.046500
Semi-major axis / stellar radius
7.660
Impact parameter (b)
0.190
RV semi-amplitude (K)
1,895.900 m/s
Transit mid-time (BJD)
2,459,768.8621
Long. of periastron (ω)
104.70°
Angular separation (arcsec)
0.19300
Eq. Temperature
1,515K
(1242 °C)
Insolation (S⊕)
4,792.50
Earth = 1.00
Earth Similarity (ESI)
0.076
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Radial velocity
Stellar wobble has been measured spectroscopically.
Discovery Paper
Primary reference
Vowell et al. 2025Instrument
TESS CCD Array
Publication
2025-01
Observation locale
Space
Discovery cohort
Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-5882
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,920 K — hotter than the Sun (5,778 K)
Estimated Age
4.11 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
2.260 R☉
Stellar Mass
1.334 M☉
Metallicity [Fe/H]
0.18
Extended Stellar Properties
Surface gravity (log g)
3.856 dex
Stellar density
0.164 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
2.375 mas
Total Proper Motion
22.133 mas/yr
PM Right Ascension
-14.12 mas/yr
PM Declination
-17.04 mas/yr
Galactic Cartesian (pc)
x = 0.549 · y = -0.612 · z = 0.570
Equatorial (J2000)
RA 311.88864° · Dec 34.73749°
Galactic ℓ, b
76.728° · -5.455°
Ecliptic λ, β
328.619° · 50.009°
HTM-20 index
-1515471649
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