Key parameters at a glance

A radius of 3.07 Earth radii
A mass of 9.64 Earth masses
Surface gravity around 1.02 g
An orbital period of 9.429 days
Semi-major axis 0.0874 AU
Equilibrium temperature 1,163 K (890 °C)
Distance from Earth 4,227.05 light-years
Earth Similarity Index 0.195
Travel time at Voyager 1 speed 74,543,970 years

1 sibling around Kepler-750

Kepler-750 b 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-750 c	Super-Earth	1.62	3.26	4.089	1,537	2016
Kepler-750 b this	Sub-Neptune	3.07	9.64	9.429	1,163	2016

Kepler-750 b Planet Profile

Physical Specs

Radius

3.07 R⊕

Radius (Jupiter)

0.274 R♃

Mass

9.64 M⊕

Mass (Jupiter)

0.030 M♃

Density

1.83 g/cm³

Surface Gravity

1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.195

HZ Position Inner

Controversial No

Discovery

Year 2016

Method Transit

Facility Kepler

Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#456of 1978

top 23.0%

This planet

3.07R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-346 c 3.07 R⊕ Kepler-335 c 3.07 R⊕ Kepler-293 b 3.07 R⊕

Metric	Earth	Kepler-750 b	Jupiter
Radius (R⊕)	1.00	3.07	11.21
Mass (M⊕)	1.00	9.64	317.83
Density (g/cm³)	5.51	1.83	1.33
Surface Gravity (g)	1.00	1.02	2.53
Insolation (S⊕)	1.00	255.74	0.037

Star Catalogue Identifiers

TIC

TIC 158931258

Gaia DR2

Gaia DR2 2103078397743762432

Gaia DR3

Gaia DR3 2103078397743762432

System

Kepler-750

Percentile among Sub-Neptune cohort

Radius 3.070 R⊕ · percentile 77 / cohort 1978

Mass 9.640 M⊕ · percentile 70 / cohort 1978

Orbital period 9.43 d · percentile 31 / cohort 1946

Distance 1,296.02 pc · percentile 89 / cohort 1975

ESI 0.195 · percentile 6 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

9.429 days

Semi-major axis

0.0874 AU

Eccentricity

0.000

Inclination

89.96 °

Year Length

A year here lasts approximately 9.43 Earth days (2.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0874 AU.

Transit Fingerprint

Depth

0.057 %

Duration

4.412 h

Impact parameter b

0.011

Rp / R★

0.023140

Transit midpoint (BJD)

2,454,973.1059

Photometric dip

Transit produces a flux drop of 565 ppm lasting ≈ 4.41 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023140

Semi-major axis / stellar radius

16.709

Impact parameter (b)

0.011

Transit mid-time (BJD)

2,454,973.1059

Angular separation (arcsec)

0.06750

Eq. Temperature

1,163K

(890 °C)

Insolation (S⊕)

255.74

Earth = 1.00

Earth Similarity (ESI)

0.195

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-750

Spectral Class

F-type yellow-white

Effective Temperature

6,160 K — hotter than the Sun (5,778 K)

Estimated Age

3.09 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.230 R☉

Stellar Mass

1.150 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.320 dex

Stellar density

0.400 g/cm³

Metallicity ratio

[Fe/H]

Distance

1,296.02 parsec

Light-years 4,227.05 ly

V-band magnitude

14.63 mag

Voyager-speed travel 74,543,970 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

0.743 mas

Total Proper Motion

7.071 mas/yr

PM Right Ascension

-6.10 mas/yr

PM Declination

-3.58 mas/yr

Galactic Cartesian (pc)

x = 0.235 · y = -0.680 · z = 0.695

Equatorial (J2000)

RA 289.09683° · Dec 44.00436°

Galactic ℓ, b

75.376° · 14.313°

Ecliptic λ, β

304.119° · 65.197°

HTM-20 index

194460258