Key parameters at a glance
- A radius of 14.46 Earth radii
- A mass of 79.46 Earth masses
- Surface gravity around 0.38 g
- An orbital period of 4.521 days
- Semi-major axis 0.0571 AU
- Equilibrium temperature 1,456 K (1183 °C)
- Distance from Earth 1,846.66 light-years
- Earth Similarity Index 0.066
- Travel time at Voyager 1 speed 32,565,837 years
TOI-2583 A b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#283of 1771
top 15.9%
This planet
14.46R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-2583 A b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 14.46 | 11.21 |
| Mass (M⊕) | 1.00 | 79.46 | 317.83 |
| Density (g/cm³) | 5.51 | 0.14 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.38 | 2.53 |
| Insolation (S⊕) | 1.00 | 750.90 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 79.457 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 7548817
Gaia DR2
Gaia DR2 2115776451371641984
Gaia DR3
Gaia DR3 2115776451371641984
System
TOI-2583
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.52 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0571 AU.
Transit Fingerprint
Depth
0.806 %
Duration
4.406 h
Impact parameter b
0.270
Transit midpoint (BJD)
2,459,216.0104
Photometric dip
Transit produces a flux drop of 8,060 ppm lasting ≈ 4.41 h.
Extended Orbital Architecture
Semi-major axis / stellar radius
8.310
Impact parameter (b)
0.270
RV semi-amplitude (K)
27.100 m/s
Transit mid-time (BJD)
2,459,216.0104
Angular separation (arcsec)
0.10100
Eq. Temperature
1,456K
(1183 °C)
Insolation (S⊕)
750.90
Earth = 1.00
Earth Similarity (ESI)
0.066
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
Yee et al. 2023Instrument
TESS CCD Array
Publication
2023-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-2583 A
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,936 K — hotter than the Sun (5,778 K)
Estimated Age
4.40 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.477 R☉
Stellar Mass
1.215 M☉
Metallicity [Fe/H]
0.16
Extended Stellar Properties
Surface gravity (log g)
4.184 dex
Stellar density
0.531 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
1.737 mas
Total Proper Motion
9.173 mas/yr
PM Right Ascension
7.68 mas/yr
PM Declination
5.01 mas/yr
Galactic Cartesian (pc)
x = 0.028 · y = -0.702 · z = 0.711
Equatorial (J2000)
RA 272.26703° · Dec 45.33690°
Galactic ℓ, b
72.654° · 26.060°
Ecliptic λ, β
274.394° · 68.742°
HTM-20 index
898998188
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