Key parameters at a glance

A radius of 13.60 Earth radii
A mass of 460.85 Earth masses
Surface gravity around 2.49 g
An orbital period of 242.400 days
Semi-major axis 0.8380 AU
Equilibrium temperature 415 K (142 °C)
Distance from Earth 921.51 light-years
Earth Similarity Index 0.336
Travel time at Voyager 1 speed 16,250,795 years

1 sibling around TOI-6695

TOI-6695 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-6695 b	Neptune-like	9.53	66.74	80.389	599	2025
TOI-6695 c this	Gas Giant	13.60	460.85	242.400	415	2025

TOI-6695 c Planet Profile

Physical Specs

Radius

13.60 R⊕

Radius (Jupiter)

1.210 R♃

Mass

460.85 M⊕

Mass (Jupiter)

1.450 M♃

Density

1.01 g/cm³

Surface Gravity

2.49 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.336

HZ Position Unknown

Controversial No

Discovery

Year 2025

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#609of 1771

top 34.3%

This planet

13.60R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 19994 b 13.60 R⊕ HD 205739 b 13.60 R⊕ HD 79498 b 13.60 R⊕

Metric	Earth	TOI-6695 c	Jupiter
Radius (R⊕)	1.00	13.60	11.21
Mass (M⊕)	1.00	460.85	317.83
Density (g/cm³)	5.51	1.01	1.33
Surface Gravity (g)	1.00	2.49	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	460.851 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 118339710

Gaia DR2

Gaia DR2 5701679002245319296

Gaia DR3

Gaia DR3 5701679002245319296

System

TOI-6695

Percentile among Gas Giant cohort

Radius 13.600 R⊕ · percentile 63 / cohort 1771

Mass 460.851 M⊕ · percentile 46 / cohort 1747

Orbital period 242.40 d · percentile 59 / cohort 1533

Distance 282.54 pc · percentile 58 / cohort 1759

ESI 0.336 · percentile 67 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

242.400 days

Semi-major axis

0.8380 AU

Eccentricity

0.022

Inclination

90.00 °

Year Length

A year here lasts approximately 242.40 Earth days (66.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.8380 AU.

Eq. Temperature

415K

(142 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.336

0 = alien, 1 = Earth-identical

Insufficient insolation data — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Eberhardt et al. 2025

Instrument

Multiple Instruments

Publication

2025-06

Observation locale

Ground

Discovery cohort

Planets confirmed in 2025 at Multiple Observatories (12 shown).

Gl 725 A b · Super-Earth HD 20794 f · Sub-Neptune GJ 3998 d · Sub-Neptune GJ 251 c · Super-Earth HD 86728 b · Sub-Neptune TOI-2015 c · Sub-Neptune Kepler-139 f · Neptune-like HD 73344 d · Gas Giant TOI-1472 c · Sub-Neptune AT2021ueyL b · Gas Giant HIP 111909 b · Gas Giant TOI-6041 c · Gas Giant

Host System: TOI-6695

Spectral Class

F-type yellow-white

Effective Temperature

6,400 K — hotter than the Sun (5,778 K)

Estimated Age

2.10 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.517 R☉

Stellar Mass

1.338 M☉

Metallicity [Fe/H]

0.20

Extended Stellar Properties

Surface gravity (log g)

4.202 dex

Stellar density

0.540 g/cm³

Rotational v·sin i

6.70 km/s

Metallicity ratio

[Fe/H]

Distance

282.54 parsec

Light-years 921.51 ly

V-band magnitude

10.77 mag

Voyager-speed travel 16,250,795 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

3.511 mas

Total Proper Motion

4.751 mas/yr

PM Right Ascension

-3.80 mas/yr

PM Declination

2.85 mas/yr

Galactic Cartesian (pc)

x = -0.584 · y = 0.707 · z = -0.400

Equatorial (J2000)

RA 129.57202° · Dec -23.55022°

Galactic ℓ, b

246.505° · 10.635°

Ecliptic λ, β

140.033° · -40.365°

HTM-20 index

-661467451