Confirmed Exoplanet Discovered 2021

Kepler-1833 b

A super-earth orbiting the f-type yellow-white Kepler-1833, located approximately 1,929.5 light-years from Earth.

Key parameters at a glance

  • A radius of 1.30 Earth radii
  • A mass of 2.24 Earth masses
  • Surface gravity around 1.32 g
  • An orbital period of 6.892 days
  • Semi-major axis 0.0755 AU
  • Equilibrium temperature 1,177 K (904 °C)
  • Distance from Earth 1,929.55 light-years
  • Earth Similarity Index 0.259
  • Travel time at Voyager 1 speed 34,027,532 years

Kepler-1833 b Planet Profile

Physical Specs

Radius
1.30 R⊕
Radius (Jupiter)
0.116 R♃
Mass
2.24 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.60 g/cm³
Surface Gravity
1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.259
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

#1089of 1176

top 92.5%

This planet

1.30R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1833 b Jupiter
Radius (R⊕)1.001.3011.21
Mass (M⊕)1.002.24317.83
Density (g/cm³)5.515.601.33
Surface Gravity (g)1.001.322.53
Insolation (S⊕)1.00439.200.037

Star Catalogue Identifiers

TIC

TIC 159520040

Gaia DR2

Gaia DR2 2127402790405934464

Gaia DR3

Gaia DR3 2127402790405934464

System

Kepler-1833

Percentile among Super-Earth cohort

Radius 1.300 R⊕ · percentile 7 / cohort 1176
Mass 2.240 M⊕ · percentile 7 / cohort 1176
Orbital period 6.89 d · percentile 51 / cohort 1164
Distance 591.60 pc · percentile 53 / cohort 1171
ESI 0.259 · percentile 26 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
6.892 days
Semi-major axis
0.0755 AU
Eccentricity
0.000
Inclination
88.81 °

Year Length

A year here lasts approximately 6.89 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0755 AU.

Transit Fingerprint

Depth

0.009 %

Duration

1.714 h

Impact parameter b

0.541

Rp / R★

0.008812

Transit midpoint (BJD)

2,454,964.6349

Photometric dip

Transit produces a flux drop of 86 ppm lasting ≈ 1.71 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008812

Semi-major axis / stellar radius

27.600

Impact parameter (b)

0.541

Transit mid-time (BJD)

2,454,964.6349

Angular separation (arcsec)

0.12800

Eq. Temperature

1,177K

(904 °C)

Insolation (S⊕)

439.20

Earth = 1.00

Earth Similarity (ESI)

0.259

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

Discovery Paper

Primary reference

Valizadegan et al. 2022

Instrument

Kepler CCD Array

Publication

2022-02

Observation locale

Space

Host System: Kepler-1833

Spectral Class

F-type yellow-white

Effective Temperature

6,164 K — hotter than the Sun (5,778 K)

Estimated Age

3.89 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.446 R☉

Stellar Mass

1.286 M☉

Metallicity [Fe/H]

0.38

Extended Stellar Properties

Surface gravity (log g)

4.227 dex

Stellar density

6.983 g/cm³

Metallicity ratio

[Fe/H]

Distance
591.60 parsec
Light-years 1,929.55 ly
V-band magnitude
12.65 mag
Voyager-speed travel 34,027,532 yr

Multi-band Host Photometry — 16 bands

9.413.413.37B12.65V12.57Gaia12.62Kepler12.17TESS12.95Sloan g12.56Sloan r12.48Sloan i12.44Sloan z11.59J11.36H11.29K11.28W111.34W211.19W39.37W4

Astrometric Data

Parallax

1.662 mas

Total Proper Motion

4.918 mas/yr

PM Right Ascension

3.54 mas/yr

PM Declination

-3.42 mas/yr

Galactic Cartesian (pc)

x = 0.250 · y = -0.656 · z = 0.712

Equatorial (J2000)

RA 290.87142° · Dec 45.41028°

Galactic ℓ, b

77.233° · 13.748°

Ecliptic λ, β

308.133° · 66.108°

HTM-20 index

1601015410

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