Key parameters at a glance

A mass of 2,456.18 Earth masses
An orbital period of 29.010 days
Distance from Earth 131.54 light-years
Travel time at Voyager 1 speed 2,319,702 years

HD 175607 b Planet Profile

Physical Specs

Radius

— R⊕

Radius (Jupiter)

— R♃

Mass

2,456.18 M⊕

Mass (Jupiter)

7.728 M♃

Density

— g/cm³

Surface Gravity

— g (Earth)

Classification

Planet Type

Unclassified

ESI Score —

HZ Position Unknown

Controversial No

Discovery

Year 2015

Method Radial Velocity

Facility La Silla Observatory

Telescope 3.6 m ESO Telescope

Metric	Earth	HD 175607 b	Jupiter
Radius (R⊕)	1.00	—	11.21
Mass (M⊕)	1.00	2,456.18	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	2,456.178 M⊕	Direct mass measurement (not derived).
Minimum mass (M sin i)	8.980 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 175607

HIP

HIP 93373

TIC

TIC 382073690

Gaia DR2

Gaia DR2 6434759761383343744

Gaia DR3

Gaia DR3 6434759761383343744

System

HD 175607

Percentile among Unclassified cohort

Mass 2,456.178 M⊕ · percentile 71 / cohort 42

Orbital period 29.01 d · percentile 53 / cohort 43

Distance 40.33 pc · percentile 60 / cohort 43

Orbit & Habitability

Orbital Dynamics

Period

29.010 days

Semi-major axis

— AU

Eccentricity

0.110

Inclination

0.19 °

Year Length

A year here lasts approximately 29.01 Earth days (7.9% of a terrestrial year) on a mildly elliptical path.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

—

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Mortier et al. 2016

Instrument

HARPS Spectrograph

Publication

2016-01

Observation locale

Ground

Discovery cohort

Planets confirmed in 2015 at La Silla Observatory (10 shown).

Wolf 1061 b · Rocky Terrestrial Wolf 1061 c · Super-Earth HD 1461 c · Sub-Neptune GJ 3341 b · Sub-Neptune Wolf 1061 d · Sub-Neptune HD 204313 c · Neptune-like GJ 3293 c · Neptune-like GJ 3293 b · Neptune-like WASP-41 c · Gas Giant WASP-47 c · Unclassified

Host System: HD 175607

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,392 K — cooler than the Sun (5,778 K)

Estimated Age

10.32 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.700 R☉

Stellar Mass

0.710 M☉

Metallicity [Fe/H]

-0.62

Extended Stellar Properties

Surface gravity (log g)

4.640 dex

Stellar density

2.222 g/cm³

Systemic radial velocity

-92.00 km/s

Rotational v·sin i

1.31 km/s

Metallicity ratio

[Fe/H]

Distance

40.33 parsec

Light-years 131.54 ly

V-band magnitude

8.60 mag

Voyager-speed travel 2,319,702 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

24.766 mas

Total Proper Motion

407.749 mas/yr

PM Right Ascension

133.11 mas/yr

PM Declination

-385.41 mas/yr

Galactic Cartesian (pc)

x = 0.106 · y = -0.389 · z = -0.915

Equatorial (J2000)

RA 285.27429° · Dec -66.19434°

Galactic ℓ, b

329.498° · -25.615°

Ecliptic λ, β

278.384° · -43.199°

HTM-20 index

1133135496