Confirmed Exoplanet Discovered 2016

Kepler-1075 b

A super-earth orbiting the k-type orange Kepler-1075, located approximately 950.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.42 Earth radii
  • A mass of 2.60 Earth masses
  • Surface gravity around 1.29 g
  • An orbital period of 1.524 days
  • Semi-major axis 0.0208 AU
  • Equilibrium temperature 818 K (545 °C)
  • Distance from Earth 950.01 light-years
  • Earth Similarity Index 0.376
  • Travel time at Voyager 1 speed 16,753,441 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1075 b Planet Profile

Physical Specs

Radius
1.42 R⊕
Radius (Jupiter)
0.127 R♃
Mass
2.60 M⊕
Mass (Jupiter)
0.008 M♃
Density
4.99 g/cm³
Surface Gravity
1.29 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.376
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

#884of 1176

top 75.1%

This planet

1.42R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1075 b Jupiter
Radius (R⊕)1.001.4211.21
Mass (M⊕)1.002.60317.83
Density (g/cm³)5.514.991.33
Surface Gravity (g)1.001.292.53
Insolation (S⊕)1.00143.970.037

Star Catalogue Identifiers

TIC

TIC 158489841

Gaia DR2

Gaia DR2 2130861785267379456

Gaia DR3

Gaia DR3 2130861785267379456

System

Kepler-1075

Percentile among Super-Earth cohort

Radius 1.420 R⊕ · percentile 24 / cohort 1176
Mass 2.600 M⊕ · percentile 23 / cohort 1176
Orbital period 1.52 d · percentile 9 / cohort 1164
Distance 291.28 pc · percentile 31 / cohort 1171
ESI 0.376 · percentile 56 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
1.524 days
Semi-major axis
0.0208 AU
Eccentricity
0.000
Inclination
73.31 °

Year Length

A year here lasts approximately 1.52 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0208 AU.

Transit Fingerprint

Depth

0.036 %

Duration

1.465 h

Impact parameter b

0.840

Rp / R★

0.023525

Transit midpoint (BJD)

2,454,964.6192

Photometric dip

Transit produces a flux drop of 365 ppm lasting ≈ 1.47 h.

Extended Orbital Architecture

Planet / star radius ratio

0.023525

Semi-major axis / stellar radius

3.280

Impact parameter (b)

0.840

Transit mid-time (BJD)

2,454,964.6192

Angular separation (arcsec)

0.07140

Eq. Temperature

818K

(545 °C)

Insolation (S⊕)

143.97

Earth = 1.00

Earth Similarity (ESI)

0.376

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1075

Spectral Class

K-type orange

Effective Temperature

3,959 K — cooler than the Sun (5,778 K)

Estimated Age

2.95 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.540 R☉

Stellar Mass

0.560 M☉

Metallicity [Fe/H]

-0.17

Extended Stellar Properties

Surface gravity (log g)

4.720 dex

Stellar density

3.916 g/cm³

Metallicity ratio

[Fe/H]

Distance
291.28 parsec
Light-years 950.01 ly
V-band magnitude
15.91 mag
Voyager-speed travel 16,753,441 yr

Multi-band Host Photometry — 16 bands

9.317.917.93B15.91V15.37Gaia15.31Kepler14.43TESS16.76Sloan g15.40Sloan r14.78Sloan i14.44Sloan z13.22J12.56H12.42K12.34W112.38W212.20W39.31W4

Astrometric Data

Parallax

3.406 mas

Total Proper Motion

27.145 mas/yr

PM Right Ascension

-3.02 mas/yr

PM Declination

-26.98 mas/yr

Galactic Cartesian (pc)

x = 0.203 · y = -0.645 · z = 0.737

Equatorial (J2000)

RA 287.50114° · Dec 47.46912°

Galactic ℓ, b

78.229° · 16.698°

Ecliptic λ, β

304.264° · 68.836°

HTM-20 index

-1860911310

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