Confirmed Exoplanet Discovered 2021

Kepler-1960 b

A super-earth orbiting the f-type yellow-white Kepler-1960, located approximately 4,982.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.31 Earth radii
  • A mass of 2.26 Earth masses
  • Surface gravity around 1.32 g
  • An orbital period of 2.298 days
  • Semi-major axis 0.0354 AU
  • Equilibrium temperature 1,547 K (1274 °C)
  • Distance from Earth 4,982.23 light-years
  • Earth Similarity Index 0.189
  • Travel time at Voyager 1 speed 87,861,596 years

Kepler-1960 b Planet Profile

Physical Specs

Radius
1.31 R⊕
Radius (Jupiter)
0.117 R♃
Mass
2.26 M⊕
Mass (Jupiter)
0.007 M♃
Density
5.56 g/cm³
Surface Gravity
1.32 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.189
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

#1087of 1176

top 92.3%

This planet

1.31R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1960 b Jupiter
Radius (R⊕)1.001.3111.21
Mass (M⊕)1.002.26317.83
Density (g/cm³)5.515.561.33
Surface Gravity (g)1.001.322.53
Insolation (S⊕)1.001,352.140.037

Star Catalogue Identifiers

TIC

TIC 271253848

Gaia DR2

Gaia DR2 2128518348032523392

Gaia DR3

Gaia DR3 2128518348032523392

System

Kepler-1960

Percentile among Super-Earth cohort

Radius 1.308 R⊕ · percentile 8 / cohort 1176
Mass 2.260 M⊕ · percentile 8 / cohort 1176
Orbital period 2.30 d · percentile 14 / cohort 1164
Distance 1,527.56 pc · percentile 95 / cohort 1171
ESI 0.189 · percentile 10 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
2.298 days
Semi-major axis
0.0354 AU
Eccentricity
0.000
Inclination
89.01 °

Year Length

A year here lasts approximately 2.30 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0354 AU.

Transit Fingerprint

Depth

0.008 %

Duration

2.923 h

Impact parameter b

0.108

Rp / R★

0.008411

Transit midpoint (BJD)

2,454,964.5048

Photometric dip

Transit produces a flux drop of 83 ppm lasting ≈ 2.92 h.

Extended Orbital Architecture

Planet / star radius ratio

0.008411

Semi-major axis / stellar radius

6.226

Impact parameter (b)

0.108

Transit mid-time (BJD)

2,454,964.5048

Angular separation (arcsec)

0.02320

Eq. Temperature

1,547K

(1274 °C)

Insolation (S⊕)

1,352.14

Earth = 1.00

Earth Similarity (ESI)

0.189

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-1960

Spectral Class

F-type yellow-white

Effective Temperature

6,371 K — hotter than the Sun (5,778 K)

Estimated Age

Stellar Radius

1.072 R☉

Stellar Mass

1.117 M☉

Metallicity [Fe/H]

-0.18

Extended Stellar Properties

Surface gravity (log g)

4.426 dex

Stellar density

0.865 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,527.56 parsec
Light-years 4,982.23 ly
V-band magnitude
15.18 mag
Voyager-speed travel 87,861,596 yr

Multi-band Host Photometry — 16 bands

9.715.515.26B15.18V15.08Gaia15.08Kepler14.65TESS15.47Sloan g15.04Sloan r14.91Sloan i14.88Sloan z14.09J13.79H13.69K13.72W113.68W212.86W39.67W4

Astrometric Data

Parallax

0.626 mas

Total Proper Motion

1.611 mas/yr

PM Right Ascension

-0.67 mas/yr

PM Declination

1.46 mas/yr

Galactic Cartesian (pc)

x = 0.286 · y = -0.623 · z = 0.728

Equatorial (J2000)

RA 294.69694° · Dec 46.72020°

Galactic ℓ, b

79.633° · 11.935°

Ecliptic λ, β

315.457° · 66.305°

HTM-20 index

-1074517710

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