Key parameters at a glance

A radius of 13.30 Earth radii
A mass of 762.79 Earth masses
Surface gravity around 4.31 g
An orbital period of 822.300 days
Semi-major axis 2.1000 AU
Distance from Earth 256.54 light-years
Earth Similarity Index 0.379
Travel time at Voyager 1 speed 4,524,116 years

HIP 74890 b Planet Profile

Physical Specs

Radius

13.30 R⊕

Radius (Jupiter)

1.180 R♃

Mass

762.79 M⊕

Mass (Jupiter)

2.400 M♃

Density

1.78 g/cm³

Surface Gravity

4.31 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.379

HZ Position Unknown

Controversial No

Discovery

Year 2016

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#793of 1771

top 44.7%

This planet

13.30R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 12661 b 13.30 R⊕ HD 129445 b 13.30 R⊕ GJ 876 b 13.30 R⊕

Metric	Earth	HIP 74890 b	Jupiter
Radius (R⊕)	1.00	13.30	11.21
Mass (M⊕)	1.00	762.79	317.83
Density (g/cm³)	5.51	1.78	1.33
Surface Gravity (g)	1.00	4.31	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	762.792 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 135760

HIP

HIP 74890

TIC

TIC 148153804

Gaia DR2

Gaia DR2 6004107513791584512

Gaia DR3

Gaia DR3 6004107513791584512

System

HIP 74890

Percentile among Gas Giant cohort

Radius 13.300 R⊕ · percentile 53 / cohort 1771

Mass 762.792 M⊕ · percentile 60 / cohort 1747

Orbital period 822.30 d · percentile 74 / cohort 1533

Distance 78.66 pc · percentile 30 / cohort 1759

ESI 0.379 · percentile 79 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

822.300 days

Semi-major axis

2.1000 AU

Eccentricity

0.070

Inclination

— °

Year Length

A year here lasts about 2.25 Earth years on a nearly circular orbit at a mean orbital distance of 2.1000 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.379

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Jones et al. 2016

Instrument

Multiple Instruments

Publication

2016-05

Observation locale

Ground

Discovery cohort

Planets confirmed in 2016 at Multiple Observatories (12 shown).

HD 42618 b · Sub-Neptune HD 164922 c · Sub-Neptune HD 224538 b · Gas Giant HD 30177 c · Gas Giant Kepler-56 d · Gas Giant HD 72892 b · Gas Giant HD 147873 b · Gas Giant HIP 8541 b · Gas Giant HD 68402 b · Gas Giant HD 86950 b · Gas Giant HD 165155 b · Gas Giant rho CrB c · Neptune-like

Host System: HIP 74890

Spectral Class

K-type orange

Effective Temperature

4,850 K — cooler than the Sun (5,778 K)

Estimated Age

4.41 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

5.770 R☉

Stellar Mass

1.740 M☉

Metallicity [Fe/H]

0.20

Extended Stellar Properties

Surface gravity (log g)

3.100 dex

Systemic radial velocity

0.21 km/s

Rotational v·sin i

2.20 km/s

Metallicity ratio

[Fe/H]

Distance

78.66 parsec

Light-years 256.54 ly

V-band magnitude

7.05 mag

Voyager-speed travel 4,524,116 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

12.685 mas

Total Proper Motion

173.762 mas/yr

PM Right Ascension

-123.92 mas/yr

PM Declination

-121.81 mas/yr

Galactic Cartesian (pc)

x = -0.486 · y = -0.571 · z = -0.662

Equatorial (J2000)

RA 229.57150° · Dec -41.42110°

Galactic ℓ, b

330.383° · 13.493°

Ecliptic λ, β

238.280° · -22.330°

HTM-20 index

1805190388

Similar Worlds

TOI-4010 e

Gas Giant · K-type orange

Radius 13.30 R⊕ · 578.9 ly

HD 94890 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 201.2 ly

NGC 2682 Sand 978 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 2,680.7 ly

HD 12661 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 123.4 ly

HD 108863 b

Gas Giant · K-type orange

Radius 13.30 R⊕ · 537.3 ly

Kepler-432 c

Gas Giant · K-type orange

Radius 13.30 R⊕ · 2,765.9 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries Multiple Observatories Mission K-type orange Hosts