Key parameters at a glance

A radius of 12.60 Earth radii
A mass of 2,479.00 Earth masses
Surface gravity around 15.61 g
An orbital period of 605.200 days
Semi-major axis 1.7000 AU
Distance from Earth 290.43 light-years
Earth Similarity Index 0.417
Travel time at Voyager 1 speed 5,121,782 years

bet Cnc b Planet Profile

Physical Specs

Radius

12.60 R⊕

Radius (Jupiter)

1.120 R♃

Mass

2,479.00 M⊕

Mass (Jupiter)

7.800 M♃

Density

6.81 g/cm³

Surface Gravity

15.61 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.417

HZ Position Unknown

Controversial No

Discovery

Year 2014

Method Radial Velocity

Facility Bohyunsan Optical Astronomical Observatory

Telescope 1.8 m Telescope

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	bet Cnc b	Jupiter
Radius (R⊕)	1.00	12.60	11.21
Mass (M⊕)	1.00	2,479.00	317.83
Density (g/cm³)	5.51	6.81	1.33
Surface Gravity (g)	1.00	15.61	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	2,479.000 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 69267

HIP

HIP 40526

TIC

TIC 458582777

Gaia DR2

Gaia DR2 3098404220677760512

Gaia DR3

Gaia DR3 3098404220680931968

System

bet Cnc

Percentile among Gas Giant cohort

Radius 12.600 R⊕ · percentile 31 / cohort 1771

Mass 2,479.000 M⊕ · percentile 83 / cohort 1747

Orbital period 605.20 d · percentile 70 / cohort 1533

Distance 89.05 pc · percentile 33 / cohort 1759

ESI 0.417 · percentile 91 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

605.200 days

Semi-major axis

1.7000 AU

Eccentricity

0.080

Inclination

— °

Year Length

A year here lasts about 1.66 Earth years on a nearly circular orbit at a mean orbital distance of 1.7000 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.417

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Lee et al. 2014

Instrument

BOES Echelle Spectrograph

Publication

2014-06

Observation locale

Ground

Discovery cohort

Planets confirmed in 2014 at Bohyunsan Optical Astronomical Observatory (2 shown).

bet UMi b · Gas Giant mu Leo b · Gas Giant

Host System: bet Cnc

Spectral Class

K-type orange

Effective Temperature

4,092 K — cooler than the Sun (5,778 K)

Estimated Age

1.85 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

47.200 R☉

Stellar Mass

1.700 M☉

Metallicity [Fe/H]

-0.29

Extended Stellar Properties

Surface gravity (log g)

1.400 dex

Systemic radial velocity

22.60 km/s

Rotational v·sin i

3.70 km/s

Metallicity ratio

[Fe/H]

Distance

89.05 parsec

Light-years 290.43 ly

V-band magnitude

3.51 mag

Voyager-speed travel 5,121,782 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

11.230 mas

Total Proper Motion

67.897 mas/yr

PM Right Ascension

-47.00 mas/yr

PM Declination

-49.00 mas/yr

Galactic Cartesian (pc)

x = -0.554 · y = 0.817 · z = 0.160

Equatorial (J2000)

RA 124.12864° · Dec 9.18533°

Galactic ℓ, b

214.253° · 23.047°

Ecliptic λ, β

124.253° · -10.288°

HTM-20 index

-670931546

Similar Worlds

4 UMa b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 239.6 ly

HD 47536 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 399.7 ly

HD 19615 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 864.8 ly

HIP 8541 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 505.9 ly

HIP 35965 b

Gas Giant · K-type orange

Radius 12.60 R⊕ · 163.6 ly

HD 203387 c

Gas Giant · K-type orange

Radius 12.60 R⊕ · 201.4 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Bohyunsan Optical Astronomical Observatory Mission K-type orange Hosts