Key parameters at a glance

A mass of 3,639.14 Earth masses
An orbital period of 615.000 days
Semi-major axis 1.3600 AU
Distance from Earth 117.92 light-years
Travel time at Voyager 1 speed 2,079,440 years

HD 7199 b Planet Profile

Physical Specs

Radius

— R⊕

Radius (Jupiter)

— R♃

Mass

3,639.14 M⊕

Mass (Jupiter)

11.450 M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Unclassified

ESI Score —

HZ Position Unknown

Controversial No

Discovery

Year 2011

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Metric	Earth	HD 7199 b	Jupiter
Radius (R⊕)	1.00	—	11.21
Mass (M⊕)	1.00	3,639.14	317.83
Density (g/cm³)	5.51	—	1.33
Surface Gravity (g)	1.00	—	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	3,639.135 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	85.814 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 7199

HIP

HIP 5529

TIC

TIC 52121796

Gaia DR2

Gaia DR2 4704957491028733824

Gaia DR3

Gaia DR3 4704957491028733824

System

HD 7199

Percentile among Unclassified cohort

Mass 3,639.135 M⊕ · percentile 90 / cohort 42

Orbital period 615.00 d · percentile 70 / cohort 43

Distance 36.15 pc · percentile 51 / cohort 43

Orbit & Habitability

Orbital Dynamics

Period

615.000 days

Semi-major axis

1.3600 AU

Eccentricity

0.190

Inclination

1.50 °

Year Length

A year here lasts about 1.68 Earth years on a mildly elliptical path at a mean orbital distance of 1.3600 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

—

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Dumusque et al. 2011

Instrument

HARPS Spectrograph

Publication

2011-11

Observation locale

Ground

Discovery cohort

Planets confirmed in 2011 at La Silla Observatory (10 shown).

GJ 433 b · Sub-Neptune HD 20794 d · Sub-Neptune HD 192310 b · Neptune-like HD 20794 b · Super-Earth HD 7449 b · Gas Giant HD 192310 c · Neptune-like HD 217786 b · Gas Giant HIP 5158 c · Gas Giant HD 137388 b · Neptune-like HD 204941 b · Gas Giant

Host System: HD 7199

Spectral Class

K-type orange

Effective Temperature

5,371 K — cooler than the Sun (5,778 K)

Estimated Age

6.79 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.970 R☉

Stellar Mass

0.770 M☉

Metallicity [Fe/H]

0.32

Extended Stellar Properties

Surface gravity (log g)

4.350 dex

Stellar density

1.337 g/cm³

Systemic radial velocity

5.63 km/s

Rotational v·sin i

2.50 km/s

Metallicity ratio

[Fe/H]

Distance

36.15 parsec

Light-years 117.92 ly

V-band magnitude

8.06 mag

Voyager-speed travel 2,079,440 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

27.631 mas

Total Proper Motion

165.565 mas/yr

PM Right Ascension

110.51 mas/yr

PM Declination

-123.28 mas/yr

Galactic Cartesian (pc)

x = 0.385 · y = 0.123 · z = -0.915

Equatorial (J2000)

RA 17.69793° · Dec -66.18869°

Galactic ℓ, b

299.842° · -50.823°

Ecliptic λ, β

326.835° · -62.649°

HTM-20 index

1186579444

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HD 215152 c

Unclassified · K-type orange

Radius — R⊕ · 70.4 ly

BD+05 4868 A b

Unclassified · K-type orange

Radius — R⊕ · 142.1 ly

WASP-53 c

Unclassified · K-type orange

Radius — R⊕ · 656.7 ly

HD 40307 c

Unclassified · K-type orange

Radius — R⊕ · 42.2 ly

Explore Related Categories

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