Confirmed Exoplanet Discovered 2014

Kepler-348 b

A super-earth orbiting the f-type yellow-white Kepler-348, located approximately 1,861.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.52 Earth radii
  • A mass of 2.92 Earth masses
  • Surface gravity around 1.26 g
  • An orbital period of 7.057 days
  • Semi-major axis 0.0760 AU
  • Equilibrium temperature 1,196 K (923 °C)
  • Distance from Earth 1,861.64 light-years
  • Earth Similarity Index 0.244
  • Travel time at Voyager 1 speed 32,830,073 years

1 sibling around Kepler-348

Kepler-348 b 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-348 b this Super-Earth 1.52 2.92 7.057 1,196 2014
Kepler-348 c Super-Earth 1.33 2.33 17.265 888 2014

Kepler-348 b Planet Profile

Physical Specs

Radius
1.52 R⊕
Radius (Jupiter)
0.136 R♃
Mass
2.92 M⊕
Mass (Jupiter)
0.009 M♃
Density
4.57 g/cm³
Surface Gravity
1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.244
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#707of 1176

top 60.0%

This planet

1.52R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-348 b Jupiter
Radius (R⊕)1.001.5211.21
Mass (M⊕)1.002.92317.83
Density (g/cm³)5.514.571.33
Surface Gravity (g)1.001.262.53
Insolation (S⊕)1.00438.940.037

Star Catalogue Identifiers

TIC

TIC 169180792

Gaia DR2

Gaia DR2 2073750986669231232

Gaia DR3

Gaia DR3 2073750986669231232

System

Kepler-348

Percentile among Super-Earth cohort

Radius 1.520 R⊕ · percentile 39 / cohort 1176
Mass 2.920 M⊕ · percentile 36 / cohort 1176
Orbital period 7.06 d · percentile 52 / cohort 1164
Distance 570.78 pc · percentile 52 / cohort 1171
ESI 0.244 · percentile 22 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
7.057 days
Semi-major axis
0.0760 AU
Eccentricity
0.000
Inclination
88.28 °

Year Length

A year here lasts approximately 7.06 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0760 AU.

Transit Fingerprint

Depth

0.012 %

Duration

1.909 h

Impact parameter b

0.050

Rp / R★

0.010307

Transit midpoint (BJD)

2,454,965.5318

Photometric dip

Transit produces a flux drop of 122 ppm lasting ≈ 1.91 h.

Extended Orbital Architecture

Planet / star radius ratio

0.010307

Semi-major axis / stellar radius

9.200

Impact parameter (b)

0.050

Transit mid-time (BJD)

2,454,965.5318

Angular separation (arcsec)

0.13300

Eq. Temperature

1,196K

(923 °C)

Insolation (S⊕)

438.94

Earth = 1.00

Earth Similarity (ESI)

0.244

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-348

Spectral Class

F-type yellow-white

Effective Temperature

6,177 K — hotter than the Sun (5,778 K)

Estimated Age

2.29 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.359 R☉

Stellar Mass

1.189 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.244 dex

Stellar density

0.550 g/cm³

Systemic radial velocity

-25.97 km/s

Metallicity ratio

[Fe/H]

Distance
570.78 parsec
Light-years 1,861.64 ly
V-band magnitude
12.68 mag
Voyager-speed travel 32,830,073 yr

Multi-band Host Photometry — 16 bands

9.013.213.20B12.68V12.59Gaia12.56Kepler12.22TESS12.88Sloan g12.50Sloan r12.42Sloan i12.45Sloan z11.71J11.45H11.38K11.35W111.38W211.89W38.97W4

Astrometric Data

Parallax

1.724 mas

Total Proper Motion

10.654 mas/yr

PM Right Ascension

7.69 mas/yr

PM Declination

7.38 mas/yr

Galactic Cartesian (pc)

x = 0.348 · y = -0.675 · z = 0.650

Equatorial (J2000)

RA 297.25508° · Dec 40.54839°

Galactic ℓ, b

75.019° · 7.371°

Ecliptic λ, β

313.931° · 59.899°

HTM-20 index

-1005999485

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