Key parameters at a glance

A radius of 12.40 Earth radii
A mass of 3,426.21 Earth masses
Surface gravity around 22.28 g
An orbital period of 101.540 days
Semi-major axis 0.4220 AU
Distance from Earth 1,513.78 light-years
Earth Similarity Index 0.372
Travel time at Voyager 1 speed 26,695,532 years

TYC 4282-00605-1 b Planet Profile

Physical Specs

Radius

12.40 R⊕

Radius (Jupiter)

1.110 R♃

Mass

3,426.21 M⊕

Mass (Jupiter)

10.780 M♃

Density

9.87 g/cm³

Surface Gravity

22.28 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.372

HZ Position Unknown

Controversial No

Discovery

Year 2017

Method Radial Velocity

Facility Roque de los Muchachos Observatory

Telescope 3.58 m Telescopio Nazionale Galileo

Size rank in cohort

Rank by radius

#1298of 1771

top 73.2%

This planet

12.40R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 110014 b 12.40 R⊕ CFBDSIR J145829+101343 b 12.40 R⊕ MOA-2010-BLG-073L b 12.40 R⊕

Metric	Earth	TYC 4282-00605-1 b	Jupiter
Radius (R⊕)	1.00	12.40	11.21
Mass (M⊕)	1.00	3,426.21	317.83
Density (g/cm³)	5.51	9.87	1.33
Surface Gravity (g)	1.00	22.28	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	3,426.207 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 13105061

Gaia DR2

Gaia DR2 2207199228316679808

Gaia DR3

Gaia DR3 2207199228316679808

System

TYC 4282-00605-1

Percentile among Gas Giant cohort

Radius 12.400 R⊕ · percentile 25 / cohort 1771

Mass 3,426.207 M⊕ · percentile 89 / cohort 1747

Orbital period 101.54 d · percentile 53 / cohort 1533

Distance 464.13 pc · percentile 73 / cohort 1759

ESI 0.372 · percentile 77 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

101.540 days

Semi-major axis

0.4220 AU

Eccentricity

0.280

Inclination

— °

Year Length

A year here lasts approximately 101.54 Earth days (27.8% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.4220 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.372

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Gonz Aacute Lez Aacute Lvarez et al. 2017

Instrument

HARPS-N Spectrograph

Publication

2017-10

Observation locale

Ground

Discovery cohort

Planets confirmed in 2017 at Roque de los Muchachos Observatory (2 shown).

Kepler-19 d · Neptune-like GJ 3942 b · Sub-Neptune

Host System: TYC 4282-00605-1

Spectral Class

K-type orange

Effective Temperature

4,300 K — cooler than the Sun (5,778 K)

Estimated Age

10.10 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

16.210 R☉

Stellar Mass

0.970 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

2.000 dex

Systemic radial velocity

-12.36 km/s

Rotational v·sin i

3.00 km/s

Metallicity ratio

[Fe/H]

Distance

464.13 parsec

Light-years 1,513.78 ly

V-band magnitude

10.47 mag

Voyager-speed travel 26,695,532 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

2.126 mas

Total Proper Motion

35.488 mas/yr

PM Right Ascension

33.12 mas/yr

PM Declination

12.75 mas/yr

Galactic Cartesian (pc)

x = 0.447 · y = -0.129 · z = 0.885

Equatorial (J2000)

RA 343.87210° · Dec 62.23919°

Galactic ℓ, b

109.875° · 2.344°

Ecliptic λ, β

27.532° · 59.694°

HTM-20 index

1892387617

Similar Worlds

HD 87816 c

Gas Giant · K-type orange

Radius 12.40 R⊕ · 434.5 ly

HD 95127 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 2,206.7 ly

HD 16905 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 129.6 ly

Gaia-4 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 239.7 ly

HD 110014 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 328.6 ly

WISPIT 1 b

Gas Giant · K-type orange

Radius 12.40 R⊕ · 750.2 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Roque de los Muchachos Observatory Mission K-type orange Hosts