Key parameters at a glance

A mass of 592.44 Earth masses
An orbital period of 946.600 days
Semi-major axis 2.3420 AU
Distance from Earth 614.95 light-years
Travel time at Voyager 1 speed 10,844,715 years

1 sibling around HD 202696

HD 202696 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 202696 b	Unclassified	—	634.39	517.800	—	2019
HD 202696 c this	Unclassified	—	592.44	946.600	—	2019

HD 202696 c Planet Profile

Physical Specs

Radius

— R⊕

Radius (Jupiter)

— R♃

Mass

592.44 M⊕

Mass (Jupiter)

1.864 M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Unclassified

ESI Score —

HZ Position Unknown

Controversial No

Discovery

Year 2019

Method Radial Velocity

Facility W. M. Keck Observatory

Telescope 10 m Keck I Telescope

Metric	Earth	HD 202696 c	Jupiter
Radius (R⊕)	1.00	—	11.21
Mass (M⊕)	1.00	592.44	317.83
Density (g/cm³)	5.51	—	1.33
Surface Gravity (g)	1.00	—	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	592.435 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 202696

HIP

HIP 105056

TIC

TIC 25346878

Gaia DR2

Gaia DR2 1847742385838236416

Gaia DR3

Gaia DR3 1847742385838236416

System

HD 202696

Percentile among Unclassified cohort

Mass 592.435 M⊕ · percentile 19 / cohort 42

Orbital period 946.60 d · percentile 77 / cohort 43

Distance 188.55 pc · percentile 77 / cohort 43

Orbit & Habitability

Orbital Dynamics

Period

946.600 days

Semi-major axis

2.3420 AU

Eccentricity

0.028

Inclination

90.00 °

Year Length

A year here lasts about 2.59 Earth years on a nearly circular orbit at a mean orbital distance of 2.3420 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

—

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Trifonov et al. 2019

Instrument

HIRES Spectrometer

Publication

2019-03

Observation locale

Ground

Discovery cohort

Planets confirmed in 2019 at W. M. Keck Observatory (3 shown).

Kepler-65 e · Gas Giant HD 125390 b · Gas Giant HD 202696 b · Unclassified

Host System: HD 202696

Spectral Class

K-type orange

Effective Temperature

5,040 K — cooler than the Sun (5,778 K)

Estimated Age

1.32 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

6.430 R☉

Stellar Mass

1.910 M☉

Metallicity [Fe/H]

0.02

Extended Stellar Properties

Surface gravity (log g)

3.110 dex

Systemic radial velocity

-33.17 km/s

Rotational v·sin i

2.00 km/s

Metallicity ratio

[Fe/H]

Distance

188.55 parsec

Light-years 614.95 ly

V-band magnitude

8.23 mag

Voyager-speed travel 10,844,715 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

5.275 mas

Total Proper Motion

59.752 mas/yr

PM Right Ascension

47.16 mas/yr

PM Declination

36.70 mas/yr

Galactic Cartesian (pc)

x = 0.673 · y = -0.581 · z = 0.458

Equatorial (J2000)

RA 319.22503° · Dec 27.25828°

Galactic ℓ, b

75.083° · -15.086°

Ecliptic λ, β

332.494° · 40.628°

HTM-20 index

-208167309

Similar Worlds

BD-08 2823 b

Unclassified · K-type orange

Radius — R⊕ · 134.8 ly

HD 181433 b

Unclassified · K-type orange

Radius — R⊕ · 87.7 ly

HD 215152 c

Unclassified · K-type orange

Radius — R⊕ · 70.4 ly

BD+05 4868 A b

Unclassified · K-type orange

Radius — R⊕ · 142.1 ly

WASP-53 c

Unclassified · K-type orange

Radius — R⊕ · 656.7 ly

HD 40307 c

Unclassified · K-type orange

Radius — R⊕ · 42.2 ly

Explore Related Categories

Unclassified Planets Radial Velocity Discoveries W. M. Keck Observatory Mission K-type orange Hosts