Key parameters at a glance

A radius of 14.30 Earth radii
A mass of 146.20 Earth masses
Surface gravity around 0.71 g
An orbital period of 4.087 days
Distance from Earth 2,709.78 light-years
Earth Similarity Index 0.247
Travel time at Voyager 1 speed 47,786,894 years

NGC 2682 YBP 401 b Planet Profile

Physical Specs

Radius

14.30 R⊕

Radius (Jupiter)

1.270 R♃

Mass

146.20 M⊕

Mass (Jupiter)

0.460 M♃

Density

0.28 g/cm³

Surface Gravity

0.71 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.247

HZ Position Unknown

Controversial No

Discovery

Year 2016

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Size rank in cohort

Rank by radius

#301of 1771

top 16.9%

This planet

14.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HIP 65407 b 14.30 R⊕ HD 30669 b 14.30 R⊕ HD 45652 b 14.30 R⊕

Metric	Earth	NGC 2682 YBP 401 b	Jupiter
Radius (R⊕)	1.00	14.30	11.21
Mass (M⊕)	1.00	146.20	317.83
Density (g/cm³)	5.51	0.28	1.33
Surface Gravity (g)	1.00	0.71	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	146.202 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 437038987

Gaia DR2

Gaia DR2 604909657895767680

Gaia DR3

Gaia DR3 604909657895767680

System

NGC 2682 YBP 401

Percentile among Gas Giant cohort

Radius 14.300 R⊕ · percentile 82 / cohort 1771

Mass 146.202 M⊕ · percentile 12 / cohort 1747

Orbital period 4.09 d · percentile 30 / cohort 1533

Distance 830.82 pc · percentile 84 / cohort 1759

ESI 0.247 · percentile 44 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

4.087 days

Semi-major axis

— AU

Eccentricity

0.150

Inclination

— °

Year Length

A year here lasts approximately 4.09 Earth days (1.1% of a terrestrial year) on a mildly elliptical path.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.247

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Brucalassi et al. 2016

Instrument

HARPS Spectrograph

Publication

2016-07

Observation locale

Ground

Discovery cohort

Planets confirmed in 2016 at La Silla Observatory (5 shown).

TRAPPIST-1 d · Rocky Terrestrial TRAPPIST-1 c · Rocky Terrestrial TRAPPIST-1 b · Rocky Terrestrial GJ 536 b · Sub-Neptune HD 111998 b · Gas Giant

Host System: NGC 2682 YBP 401

Spectral Class

F-type yellow-white

Effective Temperature

6,165 K — hotter than the Sun (5,778 K)

Estimated Age

—

Stellar Radius

1.216 R☉

Stellar Mass

1.140 M☉

Metallicity [Fe/H]

-0.05

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.839 g/cm³

Systemic radial velocity

33.18 km/s

Metallicity ratio

[M/H]

Distance

830.82 parsec

Light-years 2,709.78 ly

V-band magnitude

13.70 mag

Voyager-speed travel 47,786,894 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.175 mas

Total Proper Motion

11.454 mas/yr

PM Right Ascension

-11.08 mas/yr

PM Declination

-2.90 mas/yr

Galactic Cartesian (pc)

x = -0.666 · y = 0.718 · z = 0.202

Equatorial (J2000)

RA 132.82931° · Dec 11.67103°

Galactic ℓ, b

215.836° · 31.846°

Ecliptic λ, β

131.995° · -5.744°

HTM-20 index

-1153755513