Confirmed Exoplanet Discovered 2021

Kepler-1795 b

A super-earth orbiting the k-type orange Kepler-1795, located approximately Distance pending from Earth.

Key parameters at a glance

  • A radius of 1.66 Earth radii
  • A mass of 3.40 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 13.360 days
  • Semi-major axis 0.1002 AU
  • Equilibrium temperature 520 K (247 °C)
  • Earth Similarity Index 0.554
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1795 b Planet Profile

Physical Specs

Radius
1.66 R⊕
Radius (Jupiter)
0.148 R♃
Mass
3.40 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.06 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.554
HZ Position Inner
Controversial No

Discovery

Year 2021
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#467of 1176

top 39.6%

This planet

1.66R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1795 b Jupiter
Radius (R⊕)1.001.6611.21
Mass (M⊕)1.003.40317.83
Density (g/cm³)5.514.061.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.0017.300.037

Star Catalogue Identifiers

TIC

TIC 120893436

Gaia DR2

Gaia DR2 2100442009378111744

Gaia DR3

Gaia DR3 2100442009379544320

System

Kepler-1795

Percentile among Super-Earth cohort

Radius 1.663 R⊕ · percentile 60 / cohort 1176
Mass 3.400 M⊕ · percentile 55 / cohort 1176
Orbital period 13.36 d · percentile 74 / cohort 1164
ESI 0.554 · percentile 77 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
13.360 days
Semi-major axis
0.1002 AU
Eccentricity
0.000
Inclination
89.04 °

Year Length

A year here lasts approximately 13.36 Earth days (3.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1002 AU.

Transit Fingerprint

Depth

0.070 %

Duration

2.788 h

Impact parameter b

0.025

Rp / R★

0.024825

Transit midpoint (BJD)

2,454,964.8129

Photometric dip

Transit produces a flux drop of 700 ppm lasting ≈ 2.79 h.

Extended Orbital Architecture

Planet / star radius ratio

0.024825

Semi-major axis / stellar radius

37.510

Impact parameter (b)

0.025

Transit mid-time (BJD)

2,454,964.8129

Eq. Temperature

520K

(247 °C)

Insolation (S⊕)

17.30

Earth = 1.00

Earth Similarity (ESI)

0.554

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

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Host System: Kepler-1795

Spectral Class

K-type orange

Effective Temperature

4,500 K — cooler than the Sun (5,778 K)

Estimated Age

5.80 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.688 R☉

Stellar Mass

0.768 M☉

Metallicity [Fe/H]

0.28

Extended Stellar Properties

Surface gravity (log g)

4.638 dex

Stellar density

3.479 g/cm³

Metallicity ratio

[Fe/H]

Multi-band Host Photometry — 17 bands

9.019.319.30U17.60B16.19V15.79Gaia15.64Kepler15.02TESS16.81Sloan g15.63Sloan r15.16Sloan i14.88Sloan z13.80J13.15H13.00K12.89W112.95W212.81W39.03W4

Astrometric Data

Total Proper Motion

18.599 mas/yr

PM Right Ascension

-10.14 mas/yr

PM Declination

-15.59 mas/yr

Galactic Cartesian (pc)

x = 0.220 · y = -0.742 · z = 0.633

Equatorial (J2000)

RA 286.47926° · Dec 39.26988°

Galactic ℓ, b

70.093° · 14.189°

Ecliptic λ, β

297.086° · 61.168°

HTM-20 index

-797391305

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