Key parameters at a glance
- A radius of 11.21 Earth radii
- A mass of 1,951.47 Earth masses
- Surface gravity around 15.53 g
- An orbital period of 76.800 days
- Semi-major axis 0.3690 AU
- Distance from Earth 931.45 light-years
- Earth Similarity Index 0.422
- Travel time at Voyager 1 speed 16,426,108 years
1 sibling around TIC 279401253
TIC 279401253 b 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 |
|---|---|---|---|---|---|---|
| TIC 279401253 b this | Gas Giant | 11.21 | 1,951.47 | 76.800 | — | 2023 |
| TIC 279401253 c | Gas Giant | 12.60 | 2,548.98 | 155.300 | — | 2023 |
TIC 279401253 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1633of 1771
top 92.2%
This planet
11.21R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TIC 279401253 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.21 | 11.21 |
| Mass (M⊕) | 1.00 | 1,951.47 | 317.83 |
| Density (g/cm³) | 5.51 | 7.61 | 1.33 |
| Surface Gravity (g) | 1.00 | 15.53 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,951.466 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 279401253
Gaia DR2
Gaia DR2 5110565749968529024
Gaia DR3
Gaia DR3 5110565749968529024
System
TIC 279401253
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 76.80 Earth days (21.0% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.3690 AU.
Transit Fingerprint
Rp / R★
0.094000
Transit midpoint (BJD)
2,459,151.0550
Extended Orbital Architecture
Planet / star radius ratio
0.094000
Semi-major axis / stellar radius
71.900
RV semi-amplitude (K)
302.000 m/s
Transit mid-time (BJD)
2,459,151.0550
Long. of periastron (ω)
137.60°
Angular separation (arcsec)
1.29000
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.422
0 = alien, 1 = Earth-identical
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
Bozhilov et al. 2023Instrument
TESS CCD Array
Publication
2023-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TIC 279401253
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,951 K — hotter than the Sun (5,778 K)
Estimated Age
1.20 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.060 R☉
Stellar Mass
1.130 M☉
Metallicity [Fe/H]
0.20
Extended Stellar Properties
Surface gravity (log g)
4.438 dex
Stellar density
1.044 g/cm³
Rotational v·sin i
5.00 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
3.473 mas
Total Proper Motion
37.755 mas/yr
PM Right Ascension
26.85 mas/yr
PM Declination
-26.54 mas/yr
Galactic Cartesian (pc)
x = 0.517 · y = 0.816 · z = -0.259
Equatorial (J2000)
RA 57.65723° · Dec -15.02623°
Galactic ℓ, b
206.081° · -46.732°
Ecliptic λ, β
51.321° · -34.225°
HTM-20 index
-925756967
Similar Worlds
TOI-2338 b
Gas Giant · G-type yellow (Sun-like)
Radius 11.21 R⊕ · 1,024.1 ly
TOI-2524 b
Gas Giant · G-type yellow (Sun-like)
Radius 11.21 R⊕ · 1,431.3 ly
WASP-34 b
Gas Giant · G-type yellow (Sun-like)
Radius 11.21 R⊕ · 430.8 ly
Kepler-68 e
Gas Giant · G-type yellow (Sun-like)
Radius 11.20 R⊕ · 470.2 ly
WASP-157 b
Gas Giant · G-type yellow (Sun-like)
Radius 11.19 R⊕ · 1,089.5 ly
Kepler-289 c
Gas Giant · G-type yellow (Sun-like)
Radius 11.23 R⊕ · 2,297.6 ly