Key parameters at a glance

A radius of 12.60 Earth radii
A mass of 2,548.98 Earth masses
Surface gravity around 16.06 g
An orbital period of 155.300 days
Semi-major axis 0.5910 AU
Distance from Earth 931.45 light-years
Earth Similarity Index 0.414
Travel time at Voyager 1 speed 16,426,108 years

1 sibling around TIC 279401253

TIC 279401253 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
TIC 279401253 b	Gas Giant	11.21	1,951.47	76.800	—	2023
TIC 279401253 c this	Gas Giant	12.60	2,548.98	155.300	—	2023

TIC 279401253 c Planet Profile

Physical Specs

Radius

12.60 R⊕

Radius (Jupiter)

1.120 R♃

Mass

2,548.98 M⊕

Mass (Jupiter)

8.020 M♃

Density

7.00 g/cm³

Surface Gravity

16.06 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.414

HZ Position Unknown

Controversial No

Discovery

Year 2023

Method Transit

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1179of 1771

top 66.5%

This planet

12.60R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Kepler-419 c 12.60 R⊕ 2MASS J04414489+2301513 b 12.60 R⊕ HD 47536 b 12.60 R⊕

Metric	Earth	TIC 279401253 c	Jupiter
Radius (R⊕)	1.00	12.60	11.21
Mass (M⊕)	1.00	2,548.98	317.83
Density (g/cm³)	5.51	7.00	1.33
Surface Gravity (g)	1.00	16.06	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	2,548.984 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 279401253

Gaia DR2

Gaia DR2 5110565749968529024

Gaia DR3

Gaia DR3 5110565749968529024

System

TIC 279401253

Percentile among Gas Giant cohort

Radius 12.600 R⊕ · percentile 31 / cohort 1771

Mass 2,548.984 M⊕ · percentile 84 / cohort 1747

Orbital period 155.30 d · percentile 56 / cohort 1533

Distance 285.58 pc · percentile 59 / cohort 1759

ESI 0.414 · percentile 89 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

155.300 days

Semi-major axis

0.5910 AU

Eccentricity

0.254

Inclination

90.00 °

Year Length

A year here lasts approximately 155.30 Earth days (42.5% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.5910 AU.

Extended Orbital Architecture

Planet / star radius ratio

0.097000

Semi-major axis / stellar radius

75.200

RV semi-amplitude (K)

286.900 m/s

Long. of periastron (ω)

120.90°

Angular separation (arcsec)

2.07000

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.414

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Bozhilov et al. 2023

Instrument

Multiple Instruments

Publication

2023-02

Observation locale

Ground

Discovery cohort

Planets confirmed in 2023 at Multiple Observatories (12 shown).

AU Mic d · Rocky Terrestrial DMPP-4 b · Sub-Neptune HD 110067 g · Sub-Neptune GJ 806 c · Sub-Neptune HD 110067 f · Sub-Neptune HD 110067 e · Super-Earth HD 112570 b · Gas Giant HD 110067 d · Sub-Neptune HD 154391 b · Gas Giant HAT-P-2 c · Gas Giant HD 110067 b · Sub-Neptune HD 110067 c · Sub-Neptune

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]

Distance

285.58 parsec

Light-years 931.45 ly

V-band magnitude

11.94 mag

Voyager-speed travel 16,426,108 yr

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