Key parameters at a glance

A radius of 3.12 Earth radii
A mass of 9.93 Earth masses
Surface gravity around 1.02 g
An orbital period of 63.038 days
Semi-major axis 0.3219 AU
Equilibrium temperature 465 K (192 °C)
Distance from Earth 2,123.66 light-years
Earth Similarity Index 0.484
Travel time at Voyager 1 speed 37,450,692 years

Kepler-1675 b Planet Profile

Physical Specs

Radius

3.12 R⊕

Radius (Jupiter)

0.279 R♃

Mass

9.93 M⊕

Mass (Jupiter)

0.031 M♃

Density

1.79 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.484

HZ Position Inner

Controversial No

Discovery

Year 2020

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#414of 1978

top 20.9%

This planet

3.12R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1709 b 3.12 R⊕ K2-396 c 3.12 R⊕ Kepler-1791 b 3.12 R⊕

Metric	Earth	Kepler-1675 b	Jupiter
Radius (R⊕)	1.00	3.12	11.21
Mass (M⊕)	1.00	9.93	317.83
Density (g/cm³)	5.51	1.79	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	11.80	0.037

Star Catalogue Identifiers

TIC

TIC 350987771

Gaia DR2

Gaia DR2 2103688489257523584

Gaia DR3

Gaia DR3 2103688489257523584

System

Kepler-1675

Percentile among Sub-Neptune cohort

Radius 3.125 R⊕ · percentile 79 / cohort 1978

Mass 9.930 M⊕ · percentile 72 / cohort 1978

Orbital period 63.04 d · percentile 90 / cohort 1946

Distance 651.12 pc · percentile 56 / cohort 1975

ESI 0.484 · percentile 69 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

63.038 days

Semi-major axis

0.3219 AU

Eccentricity

0.000

Inclination

89.98 °

Year Length

A year here lasts approximately 63.04 Earth days (17.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3219 AU.

Transit Fingerprint

Depth

0.066 %

Duration

7.327 h

Impact parameter b

0.810

Rp / R★

0.022917

Transit midpoint (BJD)

2,455,002.1197

Photometric dip

Transit produces a flux drop of 659 ppm lasting ≈ 7.33 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022917

Semi-major axis / stellar radius

66.852

Impact parameter (b)

0.810

Transit mid-time (BJD)

2,455,002.1197

Angular separation (arcsec)

0.49400

Eq. Temperature

465K

(192 °C)

Insolation (S⊕)

11.80

Earth = 1.00

Earth Similarity (ESI)

0.484

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

Armstrong et al. 2021

Instrument

Kepler CCD Array

Publication

2021-07

Observation locale

Space

Discovery cohort

Planets confirmed in 2020 at Kepler (12 shown).

Kepler-1649 c · Rocky Terrestrial Kepler-1701 b · Sub-Neptune Kepler-1690 b · Sub-Neptune Kepler-1700 b · Sub-Neptune Kepler-1684 b · Sub-Neptune Kepler-1678 b · Sub-Neptune Kepler-598 c · Sub-Neptune Kepler-1661 b · Sub-Neptune Kepler-1663 b · Sub-Neptune Kepler-1681 b · Sub-Neptune Kepler-1672 b · Sub-Neptune Kepler-1702 b · Super-Earth

Host System: Kepler-1675

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,853 K — hotter than the Sun (5,778 K)

Estimated Age

1.70 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.129 R☉

Stellar Mass

1.060 M☉

Metallicity [Fe/H]

0.25

Extended Stellar Properties

Surface gravity (log g)

4.358 dex

Stellar density

1.039 g/cm³

Metallicity ratio

[M/H]

Distance

651.12 parsec

Light-years 2,123.66 ly

V-band magnitude

13.67 mag

Voyager-speed travel 37,450,692 yr

Multi-band Host Photometry — 17 bands

Astrometric Data

Parallax

1.507 mas

Total Proper Motion

3.924 mas/yr

PM Right Ascension

2.36 mas/yr

PM Declination

3.14 mas/yr

Galactic Cartesian (pc)

x = 0.180 · y = -0.732 · z = 0.657

Equatorial (J2000)

RA 283.80955° · Dec 41.04125°

Galactic ℓ, b

70.973° · 16.754°

Ecliptic λ, β

293.661° · 63.350°

HTM-20 index

-880058718