Key parameters at a glance

A radius of 14.20 Earth radii
A mass of 130.31 Earth masses
Surface gravity around 0.65 g
An orbital period of 4.114 days
Semi-major axis 0.0500 AU
Distance from Earth 95.69 light-years
Earth Similarity Index 0.242
Travel time at Voyager 1 speed 1,687,486 years
Almost certainly tidally locked to its host star given the close orbit

HD 102195 b Planet Profile

Physical Specs

Radius

14.20 R⊕

Radius (Jupiter)

1.270 R♃

Mass

130.31 M⊕

Mass (Jupiter)

0.410 M♃

Density

0.25 g/cm³

Surface Gravity

0.65 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.242

HZ Position Unknown

Controversial No

Discovery

Year 2006

Method Radial Velocity

Facility Kitt Peak National Observatory

Telescope 0.9 m KPNO Coude Feed Telescope

Size rank in cohort

Rank by radius

#334of 1771

top 18.8%

This planet

14.20R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

OGLE-2011-BLG-0251L b 14.20 R⊕ HIP 57274 c 14.20 R⊕ HD 187123 b 14.20 R⊕

Metric	Earth	HD 102195 b	Jupiter
Radius (R⊕)	1.00	14.20	11.21
Mass (M⊕)	1.00	130.31	317.83
Density (g/cm³)	5.51	0.25	1.33
Surface Gravity (g)	1.00	0.65	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	130.310 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 102195

HIP

HIP 57370

TIC

TIC 397024052

Gaia DR2

Gaia DR2 3799626935341796096

Gaia DR3

Gaia DR3 3799626935341796096

System

HD 102195

Percentile among Gas Giant cohort

Radius 14.200 R⊕ · percentile 79 / cohort 1771

Mass 130.310 M⊕ · percentile 9 / cohort 1747

Orbital period 4.11 d · percentile 30 / cohort 1533

Distance 29.34 pc · percentile 7 / cohort 1759

ESI 0.242 · percentile 42 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period

4.114 days

Semi-major axis

0.0500 AU

Eccentricity

0.000

Inclination

— °

Year Length

A year here lasts approximately 4.11 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0500 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.242

0 = alien, 1 = Earth-identical

Insufficient insolation data. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Ge et al. 2006

Instrument

Exoplanet Tracker Interferometer

Publication

2006-09

Observation locale

Ground

Host System: HD 102195

Spectral Class

K-type orange

Effective Temperature

5,301 K — cooler than the Sun (5,778 K)

Estimated Age

2.40 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.820 R☉

Stellar Mass

0.760 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.490 dex

Stellar density

2.160 g/cm³

Systemic radial velocity

2.13 km/s

Rotational v·sin i

3.23 km/s

Rotation period

12.30 days

Metallicity ratio

[Fe/H]

Distance

29.34 parsec

Light-years 95.69 ly

V-band magnitude

8.07 mag

Voyager-speed travel 1,687,486 yr

Multi-band Host Photometry — 12 bands

Astrometric Data

Parallax

34.056 mas

Total Proper Motion

220.184 mas/yr

PM Right Ascension

-188.74 mas/yr

PM Declination

-113.40 mas/yr

Galactic Cartesian (pc)

x = -0.997 · y = 0.062 · z = 0.049

Equatorial (J2000)

RA 176.42541° · Dec 2.82099°

Galactic ℓ, b

267.217° · 61.049°

Ecliptic λ, β

175.596° · 1.168°

HTM-20 index

-922154344

Observation Record

Photometric series

RV measurements

Stellar spectra

Archive notes

Similar Worlds

HD 45364 c

Gas Giant · K-type orange

Radius 14.20 R⊕ · 112.0 ly

HD 192263 b

Gas Giant · K-type orange

Radius 14.20 R⊕ · 64.0 ly

HIP 5763 b

Gas Giant · K-type orange

Radius 14.20 R⊕ · 104.1 ly

HIP 57274 c

Gas Giant · K-type orange

Radius 14.20 R⊕ · 84.3 ly

HIP 57274 d

Gas Giant · K-type orange

Radius 14.20 R⊕ · 84.3 ly

BD+42 2315 b

Gas Giant · K-type orange

Radius 14.20 R⊕ · 1,991.9 ly

Explore Related Categories

Gas Giant Planets Radial Velocity Discoveries K-type orange Hosts