Key parameters at a glance

A radius of 12.50 Earth radii
A mass of 2,793.73 Earth masses
Surface gravity around 17.88 g
An orbital period of 533.000 days
Semi-major axis 1.3600 AU
Distance from Earth 2,454.70 light-years
Earth Similarity Index 0.400
Travel time at Voyager 1 speed 43,288,614 years

HD 1690 b Planet Profile

Physical Specs

Radius

12.50 R⊕

Radius (Jupiter)

1.120 R♃

Mass

2,793.73 M⊕

Mass (Jupiter)

8.790 M♃

Density

7.86 g/cm³

Surface Gravity

17.88 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.400

HZ Position Unknown

Controversial No

Discovery

Year 2010

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Size rank in cohort

Rank by radius

#1235of 1771

top 69.7%

This planet

12.50R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

HD 156279 c 12.50 R⊕ HD 33283 b 12.50 R⊕ HD 156279 b 12.50 R⊕

Metric	Earth	HD 1690 b	Jupiter
Radius (R⊕)	1.00	12.50	11.21
Mass (M⊕)	1.00	2,793.73	317.83
Density (g/cm³)	5.51	7.86	1.33
Surface Gravity (g)	1.00	17.88	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	2,793.726 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 1690

HIP

HIP 1692

TIC

TIC 37763102

Gaia DR2

Gaia DR2 2430036837596487424

Gaia DR3

Gaia DR3 2430036837596487424

System

HD 1690

Percentile among Gas Giant cohort

Radius 12.500 R⊕ · percentile 28 / cohort 1771

Mass 2,793.726 M⊕ · percentile 85 / cohort 1747

Orbital period 533.00 d · percentile 69 / cohort 1533

Distance 752.62 pc · percentile 82 / cohort 1759

ESI 0.400 · percentile 86 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

533.000 days

Semi-major axis

1.3600 AU

Eccentricity

0.640

Inclination

— °

Year Length

A year here lasts about 1.46 Earth years on a highly eccentric trajectory at a mean orbital distance of 1.3600 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.400

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Moutou et al. 2011

Instrument

HARPS Spectrograph

Publication

2011-03

Observation locale

Ground

Discovery cohort

Planets confirmed in 2010 at La Silla Observatory (12 shown).

GJ 3634 b · Sub-Neptune HD 10180 f · Neptune-like HD 10180 e · Neptune-like GJ 676 A b · Gas Giant HD 204313 b · Gas Giant HD 28254 b · Gas Giant HD 10180 h · Neptune-like HD 113538 c · Gas Giant HD 25171 b · Gas Giant HD 8535 b · Gas Giant HD 44219 b · Gas Giant HD 43197 b · Gas Giant

Host System: HD 1690

Spectral Class

K-type orange

Effective Temperature

4,374 K — cooler than the Sun (5,778 K)

Estimated Age

6.70 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

21.660 R☉

Stellar Mass

1.860 M☉

Metallicity [Fe/H]

-0.27

Extended Stellar Properties

Surface gravity (log g)

2.040 dex

Systemic radial velocity

18.23 km/s

Rotational v·sin i

3.50 km/s

Metallicity ratio

[Fe/H]

Distance

752.62 parsec

Light-years 2,454.70 ly

V-band magnitude

9.19 mag

Voyager-speed travel 43,288,614 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.300 mas

Total Proper Motion

13.820 mas/yr

PM Right Ascension

13.47 mas/yr

PM Declination

3.10 mas/yr

Galactic Cartesian (pc)

x = 0.985 · y = 0.092 · z = -0.144

Equatorial (J2000)

RA 5.30559° · Dec -8.28114°

Galactic ℓ, b

100.754° · -69.841°

Ecliptic λ, β

1.546° · -9.703°

HTM-20 index

-1564886558

Similar Worlds

HD 38801 b

Gas Giant · K-type orange

Radius 12.50 R⊕ · 298.2 ly

HD 86065 b

Gas Giant · K-type orange

Radius 12.50 R⊕ · 131.7 ly

HD 115404 A c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 35.8 ly

HD 94890 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 201.2 ly

BD-08 2823 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 134.8 ly

HD 164604 c

Gas Giant · K-type orange

Radius 12.50 R⊕ · 128.4 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries La Silla Observatory Mission K-type orange Hosts