Key parameters at a glance

A radius of 2.69 Earth radii
A mass of 7.70 Earth masses
Surface gravity around 1.06 g
An orbital period of 26.410 days
Semi-major axis 0.1616 AU
Equilibrium temperature 512 K (239 °C)
Distance from Earth 3,073.97 light-years
Earth Similarity Index 0.472
Travel time at Voyager 1 speed 54,209,482 years

Kepler-1045 b Planet Profile

Physical Specs

Radius

2.69 R⊕

Radius (Jupiter)

0.240 R♃

Mass

7.70 M⊕

Mass (Jupiter)

0.024 M♃

Density

2.17 g/cm³

Surface Gravity

1.06 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.472

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

#881of 1978

top 44.5%

This planet

2.69R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1369 b 2.69 R⊕ Kepler-417 c 2.69 R⊕ HD 28109 b 2.69 R⊕

Metric	Earth	Kepler-1045 b	Jupiter
Radius (R⊕)	1.00	2.69	11.21
Mass (M⊕)	1.00	7.70	317.83
Density (g/cm³)	5.51	2.17	1.33
Surface Gravity (g)	1.00	1.06	2.53
Insolation (S⊕)	1.00	19.13	0.037

Star Catalogue Identifiers

TIC

TIC 164670756

Gaia DR2

Gaia DR2 2106805501643509888

Gaia DR3

Gaia DR3 2106805501643509888

System

Kepler-1045

Percentile among Sub-Neptune cohort

Radius 2.690 R⊕ · percentile 55 / cohort 1978

Mass 7.700 M⊕ · percentile 51 / cohort 1978

Orbital period 26.41 d · percentile 70 / cohort 1946

Distance 942.49 pc · percentile 75 / cohort 1975

ESI 0.472 · percentile 66 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

26.410 days

Semi-major axis

0.1616 AU

Eccentricity

0.000

Inclination

89.25 °

Year Length

A year here lasts approximately 26.41 Earth days (7.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1616 AU.

Transit Fingerprint

Depth

0.099 %

Duration

2.996 h

Impact parameter b

0.067

Rp / R★

0.029729

Transit midpoint (BJD)

2,454,982.3950

Photometric dip

Transit produces a flux drop of 991 ppm lasting ≈ 3.00 h.

Extended Orbital Architecture

Planet / star radius ratio

0.029729

Semi-major axis / stellar radius

69.200

Impact parameter (b)

0.067

Transit mid-time (BJD)

2,454,982.3950

Angular separation (arcsec)

0.17100

Eq. Temperature

512K

(239 °C)

Insolation (S⊕)

19.13

Earth = 1.00

Earth Similarity (ESI)

0.472

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

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-1045

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

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

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.820 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

8.988 g/cm³

Metallicity ratio

[Fe/H]

Distance

942.49 parsec

Light-years 3,073.97 ly

V-band magnitude

15.88 mag

Voyager-speed travel 54,209,482 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.033 mas

Total Proper Motion

5.215 mas/yr

PM Right Ascension

-0.60 mas/yr

PM Declination

-5.18 mas/yr

Galactic Cartesian (pc)

x = 0.173 · y = -0.685 · z = 0.708

Equatorial (J2000)

RA 284.18327° · Dec 45.07409°

Galactic ℓ, b

75.016° · 17.958°

Ecliptic λ, β

296.530° · 67.211°

HTM-20 index

478104939