Key parameters at a glance

A radius of 3.10 Earth radii
A mass of 9.80 Earth masses
Surface gravity around 1.02 g
An orbital period of 34.035 days
Semi-major axis 0.2130 AU
Equilibrium temperature 583 K (310 °C)
Distance from Earth 4,280.28 light-years
Earth Similarity Index 0.397
Travel time at Voyager 1 speed 75,482,657 years

1 sibling around Kepler-175

Kepler-175 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
Kepler-175 b	Sub-Neptune	2.56	7.08	11.904	827	2014
Kepler-175 c this	Sub-Neptune	3.10	9.80	34.035	583	2014

Kepler-175 c Planet Profile

Physical Specs

Radius

3.10 R⊕

Radius (Jupiter)

0.277 R♃

Mass

9.80 M⊕

Mass (Jupiter)

0.031 M♃

Density

1.81 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.397

HZ Position Inner

Controversial No

Discovery

Year 2014

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#433of 1978

top 21.8%

This planet

3.10R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

TOI-1062 c 3.10 R⊕ Kepler-209 c 3.10 R⊕ Kepler-104 b 3.10 R⊕

Metric	Earth	Kepler-175 c	Jupiter
Radius (R⊕)	1.00	3.10	11.21
Mass (M⊕)	1.00	9.80	317.83
Density (g/cm³)	5.51	1.81	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	31.95	0.037

Star Catalogue Identifiers

TIC

TIC 159099116

Gaia DR2

Gaia DR2 2102880210775046528

Gaia DR3

Gaia DR3 2102880210775046528

System

Kepler-175

Percentile among Sub-Neptune cohort

Radius 3.100 R⊕ · percentile 78 / cohort 1978

Mass 9.800 M⊕ · percentile 71 / cohort 1978

Orbital period 34.04 d · percentile 76 / cohort 1946

Distance 1,312.34 pc · percentile 89 / cohort 1975

ESI 0.397 · percentile 51 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

34.035 days

Semi-major axis

0.2130 AU

Eccentricity

0.000

Inclination

89.23 °

Year Length

A year here lasts approximately 34.04 Earth days (9.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2130 AU.

Transit Fingerprint

Depth

0.073 %

Duration

7.057 h

Impact parameter b

0.850

Rp / R★

0.025247

Transit midpoint (BJD)

2,454,967.4229

Photometric dip

Transit produces a flux drop of 728 ppm lasting ≈ 7.06 h.

Extended Orbital Architecture

Planet / star radius ratio

0.025247

Semi-major axis / stellar radius

20.700

Impact parameter (b)

0.850

Transit mid-time (BJD)

2,454,967.4229

Angular separation (arcsec)

0.16200

Eq. Temperature

583K

(310 °C)

Insolation (S⊕)

31.95

Earth = 1.00

Earth Similarity (ESI)

0.397

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Discovery cohort

Planets confirmed in 2014 at Kepler (12 shown).

Kepler-186 e · Super-Earth Kepler-395 c · Super-Earth Kepler-220 e · Super-Earth Kepler-249 d · Super-Earth Kepler-296 f · Super-Earth Kepler-367 c · Rocky Terrestrial Kepler-296 e · Super-Earth Kepler-155 c · Sub-Neptune Kepler-138 d · Super-Earth Kepler-333 c · Rocky Terrestrial Kepler-331 d · Super-Earth Kepler-267 d · Sub-Neptune

Host System: Kepler-175

Spectral Class

F-type yellow-white

Effective Temperature

6,064 K — hotter than the Sun (5,778 K)

Estimated Age

3.39 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.010 R☉

Stellar Mass

0.969 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.472 dex

Stellar density

0.620 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,312.34 parsec

Light-years 4,280.28 ly

V-band magnitude

15.23 mag

Voyager-speed travel 75,482,657 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.733 mas

Total Proper Motion

15.320 mas/yr

PM Right Ascension

-6.30 mas/yr

PM Declination

-13.96 mas/yr

Galactic Cartesian (pc)

x = 0.241 · y = -0.679 · z = 0.693

Equatorial (J2000)

RA 289.55323° · Dec 43.87612°

Galactic ℓ, b

75.394° · 13.961°

Ecliptic λ, β

304.765° · 64.973°

HTM-20 index

876646827