Key parameters at a glance

A radius of 1.17 Earth radii
A mass of 1.71 Earth masses
Surface gravity around 1.25 g
An orbital period of 2.714 days
Semi-major axis 0.0388 AU
Equilibrium temperature 1,301 K (1028 °C)
Distance from Earth 1,833.38 light-years
Earth Similarity Index 0.234
Travel time at Voyager 1 speed 32,331,567 years

Kepler-1035 b Planet Profile

Physical Specs

Radius

1.17 R⊕

Radius (Jupiter)

0.104 R♃

Mass

1.71 M⊕

Mass (Jupiter)

0.005 M♃

Density

5.87 g/cm³

Surface Gravity

1.25 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.234

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

#135of 570

top 23.5%

This planet

1.17R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-339 d 1.17 R⊕ Kepler-185 b 1.17 R⊕ TOI-1442 b 1.17 R⊕

Metric	Earth	Kepler-1035 b	Jupiter
Radius (R⊕)	1.00	1.17	11.21
Mass (M⊕)	1.00	1.71	317.83
Density (g/cm³)	5.51	5.87	1.33
Surface Gravity (g)	1.00	1.25	2.53
Insolation (S⊕)	1.00	1,180.06	0.037

Star Catalogue Identifiers

TIC

TIC 158927791

Gaia DR2

Gaia DR2 2102730157496733952

Gaia DR3

Gaia DR3 2102730157496733952

System

Kepler-1035

Percentile among Rocky Terrestrial cohort

Radius 1.170 R⊕ · percentile 75 / cohort 570

Mass 1.710 M⊕ · percentile 69 / cohort 570

Orbital period 2.71 d · percentile 31 / cohort 567

Distance 562.12 pc · percentile 70 / cohort 566

ESI 0.234 · percentile 21 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period

2.714 days

Semi-major axis

0.0388 AU

Eccentricity

0.000

Inclination

84.01 °

Year Length

A year here lasts approximately 2.71 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0388 AU.

Transit Fingerprint

Depth

0.014 %

Duration

1.262 h

Impact parameter b

0.095

Rp / R★

0.011228

Transit midpoint (BJD)

2,454,966.7120

Photometric dip

Transit produces a flux drop of 144 ppm lasting ≈ 1.26 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011228

Semi-major axis / stellar radius

16.550

Impact parameter (b)

0.095

Transit mid-time (BJD)

2,454,966.7120

Angular separation (arcsec)

0.06910

Eq. Temperature

1,301K

(1028 °C)

Insolation (S⊕)

1,180.06

Earth = 1.00

Earth Similarity (ESI)

0.234

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-1035

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,763 K — cooler than the Sun (5,778 K)

Estimated Age

4.47 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.970 R☉

Stellar Mass

0.980 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.450 dex

Stellar density

0.460 g/cm³

Metallicity ratio

[Fe/H]

Distance

562.12 parsec

Light-years 1,833.38 ly

V-band magnitude

13.10 mag

Voyager-speed travel 32,331,567 yr

Multi-band Host Photometry — 16 bands

Astrometric Data

Parallax

1.753 mas

Total Proper Motion

11.735 mas/yr

PM Right Ascension

8.36 mas/yr

PM Declination

-8.24 mas/yr

Galactic Cartesian (pc)

x = 0.239 · y = -0.693 · z = 0.680

Equatorial (J2000)

RA 289.04224° · Dec 42.88250°

Galactic ℓ, b

74.304° · 13.890°

Ecliptic λ, β

303.234° · 64.140°

HTM-20 index

129597614