Key parameters at a glance

A radius of 16.37 Earth radii
A mass of 4,036.42 Earth masses
Surface gravity around 15.07 g
An orbital period of 2,090.000 days
Semi-major axis 3.5300 AU
Equilibrium temperature 1,182 K (909 °C)
Distance from Earth 132.94 light-years
Earth Similarity Index 0.136
Travel time at Voyager 1 speed 2,344,320 years

1 sibling around HD 206893

HD 206893 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
HD 206893 c this	Gas Giant	16.37	4,036.42	2,090.000	1,182	2022
HD 206893 b	Gas Giant	14.01	8,899.20	9,350.000	1,429	2021

HD 206893 c Planet Profile

Physical Specs

Radius

16.37 R⊕

Radius (Jupiter)

1.460 R♃

Mass

4,036.42 M⊕

Mass (Jupiter)

12.700 M♃

Density

5.06 g/cm³

Surface Gravity

15.07 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.136

HZ Position Unknown

Controversial No

Discovery

Year 2022

Method Imaging

Facility European Southern Observatory

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#141of 1771

top 7.9%

This planet

16.37R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

CoRoT-31 b 16.37 R⊕ WASP-88 b 16.37 R⊕ WASP-92 b 16.38 R⊕

Metric	Earth	HD 206893 c	Jupiter
Radius (R⊕)	1.00	16.37	11.21
Mass (M⊕)	1.00	4,036.42	317.83
Density (g/cm³)	5.51	5.06	1.33
Surface Gravity (g)	1.00	15.07	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	4,036.421 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 206893

TIC

TIC 155782207

Gaia DR2

Gaia DR2 6843672087120107264

Gaia DR3

Gaia DR3 6843672087120107264

System

HD 206893

Percentile among Gas Giant cohort

Radius 16.365 R⊕ · percentile 92 / cohort 1771

Mass 4,036.421 M⊕ · percentile 91 / cohort 1747

Orbital period 2,090.00 d · percentile 85 / cohort 1533

Distance 40.76 pc · percentile 14 / cohort 1759

ESI 0.136 · percentile 34 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

2,090.000 days

Semi-major axis

3.5300 AU

Eccentricity

0.410

Inclination

150.90 °

Year Length

A year here lasts about 5.72 Earth years on a highly eccentric trajectory at a mean orbital distance of 3.5300 AU.

Eq. Temperature

1,182K

(909 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.136

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Detection Signatures

Radial velocity

Stellar wobble has been measured spectroscopically.

Astrometry

Positional wobble of the host star was measured.

Direct imaging

The planet has been imaged directly (rare).

Discovery Paper

Primary reference

Hinkley et al. 2022

Instrument

GRAVITY

Publication

2022-08

Observation locale

Ground

Host System: HD 206893

Spectral Class

F-type yellow-white

Effective Temperature

6,500 K — hotter than the Sun (5,778 K)

Estimated Age

0.15 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.311 R☉

Stellar Mass

1.320 M☉

Metallicity [Fe/H]

—

Extended Stellar Properties

Surface gravity (log g)

4.450 dex

Stellar density

0.851 g/cm³

Systemic radial velocity

-12.45 km/s

Distance

40.76 parsec

Light-years 132.94 ly

V-band magnitude

6.69 mag

Voyager-speed travel 2,344,320 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

24.506 mas

Total Proper Motion

93.776 mas/yr

PM Right Ascension

93.78 mas/yr

PM Declination

0.02 mas/yr

Galactic Cartesian (pc)

x = 0.812 · y = -0.541 · z = -0.221

Equatorial (J2000)

RA 326.34169° · Dec -12.78335°

Galactic ℓ, b

41.695° · -44.278°

Ecliptic λ, β

324.267° · 0.687°

HTM-20 index

770978482