Key parameters at a glance

A radius of 12.80 Earth radii
A mass of 1,783.02 Earth masses
Surface gravity around 10.88 g
An orbital period of 966.500 days
Semi-major axis 2.0180 AU
Equilibrium temperature 235 K (-38 °C)
Distance from Earth 411.87 light-years
Earth Similarity Index 0.462
Travel time at Voyager 1 speed 7,263,266 years

1 sibling around TOI-2295

TOI-2295 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-2295 b	Gas Giant	16.48	278.10	30.033	747	2024
TOI-2295 c this	Gas Giant	12.80	1,783.02	966.500	235	2024

TOI-2295 c Planet Profile

Physical Specs

Radius

12.80 R⊕

Radius (Jupiter)

1.140 R♃

Mass

1,783.02 M⊕

Mass (Jupiter)

5.610 M♃

Density

4.67 g/cm³

Surface Gravity

10.88 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.462

HZ Position Unknown

Controversial No

Discovery

Year 2024

Method Radial Velocity

Facility Haute-Provence Observatory

Telescope 1.93 m Telescope

Size rank in cohort

Rank by radius

#1063of 1771

top 60.0%

This planet

12.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 240210 b 12.80 R⊕ HD 29985 b 12.80 R⊕ HD 148164 c 12.80 R⊕

Metric	Earth	TOI-2295 c	Jupiter
Radius (R⊕)	1.00	12.80	11.21
Mass (M⊕)	1.00	1,783.02	317.83
Density (g/cm³)	5.51	4.67	1.33
Surface Gravity (g)	1.00	10.88	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	1,783.017 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 48018596

Gaia DR2

Gaia DR2 2144184945615891712

Gaia DR3

Gaia DR3 2144184945615891712

System

TOI-2295

Percentile among Gas Giant cohort

Radius 12.800 R⊕ · percentile 37 / cohort 1771

Mass 1,783.017 M⊕ · percentile 77 / cohort 1747

Orbital period 966.50 d · percentile 76 / cohort 1533

Distance 126.28 pc · percentile 40 / cohort 1759

ESI 0.462 · percentile 99 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

966.500 days

Semi-major axis

2.0180 AU

Eccentricity

0.194

Inclination

— °

Year Length

A year here lasts about 2.65 Earth years on a mildly elliptical path at a mean orbital distance of 2.0180 AU.

Extended Orbital Architecture

RV semi-amplitude (K)

105.800 m/s

Transit mid-time (BJD)

2,459,302.8000

Long. of periastron (ω)

39.50°

Angular separation (arcsec)

16.00000

Eq. Temperature

235K

(-38 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.462

0 = alien, 1 = Earth-identical

Insufficient insolation data — surface water would be frozen.

Discovery Paper

Primary reference

Heidari et al. 2024

Instrument

SOPHIE Spectrograph

Publication

2025-02

Observation locale

Ground

Host System: TOI-2295

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,730 K — cooler than the Sun (5,778 K)

Estimated Age

10.50 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.459 R☉

Stellar Mass

1.168 M☉

Metallicity [Fe/H]

0.32

Extended Stellar Properties

Surface gravity (log g)

4.176 dex

Stellar density

0.528 g/cm³

Rotational v·sin i

3.90 km/s

Rotation period

78.00 days

Activity index (log R'HK)

-5.500

Metallicity ratio

[Fe/H]

Distance

126.28 parsec

Light-years 411.87 ly

V-band magnitude

9.60 mag

Voyager-speed travel 7,263,266 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

7.890 mas

Total Proper Motion

67.411 mas/yr

PM Right Ascension

-61.84 mas/yr

PM Declination

26.83 mas/yr

Galactic Cartesian (pc)

x = 0.128 · y = -0.623 · z = 0.772

Equatorial (J2000)

RA 281.57620° · Dec 50.49247°

Galactic ℓ, b

79.853° · 21.376°

Ecliptic λ, β

295.726° · 72.898°

HTM-20 index

-1110671238