Confirmed Exoplanet Discovered 2023

Kepler-1162 c

A super-earth orbiting the g-type yellow (sun-like) Kepler-1162, located approximately 3,066.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.81 Earth radii
  • A mass of 3.93 Earth masses
  • Surface gravity around 1.20 g
  • An orbital period of 59.284 days
  • Semi-major axis 0.2832 AU
  • Equilibrium temperature 401 K (128 °C)
  • Distance from Earth 3,066.55 light-years
  • Earth Similarity Index 0.673
  • Travel time at Voyager 1 speed 54,078,687 years

1 sibling around Kepler-1162

Kepler-1162 c 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-1162 b Sub-Neptune 2.21 5.52 32.564 490 2016
Kepler-1162 c this Super-Earth 1.81 3.93 59.284 401 2023

Kepler-1162 c Planet Profile

Physical Specs

Radius
1.81 R⊕
Radius (Jupiter)
0.161 R♃
Mass
3.93 M⊕
Mass (Jupiter)
0.012 M♃
Density
3.64 g/cm³
Surface Gravity
1.20 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.673
HZ Position Inner
Controversial No

Discovery

Year 2023
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#248of 1176

top 21.0%

This planet

1.81R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1162 c Jupiter
Radius (R⊕)1.001.8111.21
Mass (M⊕)1.003.93317.83
Density (g/cm³)5.513.641.33
Surface Gravity (g)1.001.202.53
Insolation (S⊕)1.006.140.037

Star Catalogue Identifiers

TIC

TIC 164522726

Gaia DR2

Gaia DR2 2106996095111385728

Gaia DR3

Gaia DR3 2106996095111385728

System

Kepler-1162

Percentile among Super-Earth cohort

Radius 1.810 R⊕ · percentile 79 / cohort 1176
Mass 3.930 M⊕ · percentile 72 / cohort 1176
Orbital period 59.28 d · percentile 97 / cohort 1164
Distance 940.21 pc · percentile 78 / cohort 1171
ESI 0.673 · percentile 84 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
59.284 days
Semi-major axis
0.2832 AU
Eccentricity
0.000
Inclination
89.55 °

Year Length

A year here lasts approximately 59.28 Earth days (16.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2832 AU.

Transit Fingerprint

Depth

0.042 %

Duration

5.420 h

Impact parameter b

0.556

Rp / R★

0.019300

Transit midpoint (BJD)

2,454,981.7541

Photometric dip

Transit produces a flux drop of 424 ppm lasting ≈ 5.42 h.

Extended Orbital Architecture

Planet / star radius ratio

0.019300

Semi-major axis / stellar radius

71.400

Impact parameter (b)

0.556

Transit mid-time (BJD)

2,454,981.7541

Angular separation (arcsec)

0.30100

Eq. Temperature

401K

(128 °C)

Insolation (S⊕)

6.14

Earth = 1.00

Earth Similarity (ESI)

0.673

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

Valizadegan et al. 2023

Instrument

Kepler CCD Array

Publication

2023-05

Observation locale

Space

Host System: Kepler-1162

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,225 K — cooler than the Sun (5,778 K)

Estimated Age

0.50 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.859 R☉

Stellar Mass

0.861 M☉

Metallicity [Fe/H]

0.14

Extended Stellar Properties

Surface gravity (log g)

4.505 dex

Stellar density

1.956 g/cm³

Metallicity ratio

[Fe/H]

Distance
940.21 parsec
Light-years 3,066.55 ly
V-band magnitude
15.75 mag
Voyager-speed travel 54,078,687 yr

Multi-band Host Photometry — 16 bands

9.616.416.44B15.75V15.49Gaia15.48Kepler14.95TESS16.04Sloan g15.42Sloan r15.24Sloan i15.16Sloan z14.18J13.76H13.75K13.57W113.62W213.11W39.55W4

Astrometric Data

Parallax

1.035 mas

Total Proper Motion

27.844 mas/yr

PM Right Ascension

-13.56 mas/yr

PM Declination

-24.32 mas/yr

Galactic Cartesian (pc)

x = 0.161 · y = -0.683 · z = 0.712

Equatorial (J2000)

RA 283.29203° · Dec 45.43398°

Galactic ℓ, b

75.141° · 18.672°

Ecliptic λ, β

295.175° · 67.715°

HTM-20 index

288692159

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