Confirmed Exoplanet Discovered 2014

Kepler-350 b

A super-earth orbiting the f-type yellow-white Kepler-350, located approximately 3,120.9 light-years from Earth.

Key parameters at a glance

  • A radius of 1.85 Earth radii
  • A mass of 16.90 Earth masses
  • Surface gravity around 4.94 g
  • An orbital period of 11.190 days
  • Semi-major axis 0.1040 AU
  • Equilibrium temperature 1,037 K (764 °C)
  • Distance from Earth 3,120.85 light-years
  • Earth Similarity Index 0.259
  • Travel time at Voyager 1 speed 55,036,240 years

2 siblings around Kepler-350

Kepler-350 b shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-350 b this Super-Earth 1.85 16.90 11.190 1,037 2014
Kepler-350 c Sub-Neptune 3.10 6.10 17.849 888 2013
Kepler-350 d Sub-Neptune 2.80 14.90 26.136 782 2013

Kepler-350 b Planet Profile

Physical Specs

Radius
1.85 R⊕
Radius (Jupiter)
0.165 R♃
Mass
16.90 M⊕
Mass (Jupiter)
0.053 M♃
Density
4.90 g/cm³
Surface Gravity
4.94 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.259
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

#189of 1176

top 16.0%

This planet

1.85R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-350 b Jupiter
Radius (R⊕)1.001.8511.21
Mass (M⊕)1.0016.90317.83
Density (g/cm³)5.514.901.33
Surface Gravity (g)1.004.942.53
Insolation (S⊕)1.00257.720.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 16.900 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 120498491

Gaia DR2

Gaia DR2 2100338792724606720

Gaia DR3

Gaia DR3 2100338792725538048

System

Kepler-350

Percentile among Super-Earth cohort

Radius 1.850 R⊕ · percentile 83 / cohort 1176
Mass 16.900 M⊕ · percentile 97 / cohort 1176
Orbital period 11.19 d · percentile 67 / cohort 1164
Distance 956.86 pc · percentile 79 / cohort 1171
ESI 0.259 · percentile 26 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
11.190 days
Semi-major axis
0.1040 AU
Eccentricity
0.000
Inclination
87.76 °

Year Length

A year here lasts approximately 11.19 Earth days (3.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1040 AU.

Transit Fingerprint

Depth

0.014 %

Duration

5.120 h

Impact parameter b

0.380

Rp / R★

0.011323

Transit midpoint (BJD)

2,454,973.6311

Photometric dip

Transit produces a flux drop of 143 ppm lasting ≈ 5.12 h.

Extended Orbital Architecture

Planet / star radius ratio

0.011323

Semi-major axis / stellar radius

9.400

Impact parameter (b)

0.380

Transit mid-time (BJD)

2,454,973.6311

Angular separation (arcsec)

0.10900

Eq. Temperature

1,037K

(764 °C)

Insolation (S⊕)

257.72

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

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-350

Spectral Class

F-type yellow-white

Effective Temperature

6,186 K — hotter than the Sun (5,778 K)

Estimated Age

4.00 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.534 R☉

Stellar Mass

1.190 M☉

Metallicity [Fe/H]

0.04

Extended Stellar Properties

Surface gravity (log g)

4.150 dex

Stellar density

0.690 g/cm³

Metallicity ratio

[M/H]

Distance
956.86 parsec
Light-years 3,120.85 ly
V-band magnitude
13.97 mag
Voyager-speed travel 55,036,240 yr

Multi-band Host Photometry — 17 bands

9.416.315.65U14.67B13.97V13.76Gaia13.78Kepler13.33TESS14.30Sloan g13.75Sloan r16.34Sloan i13.73Sloan z12.72J12.45H12.39K12.34W112.36W212.23W39.39W4

Astrometric Data

Parallax

1.016 mas

Total Proper Motion

4.330 mas/yr

PM Right Ascension

-2.72 mas/yr

PM Declination

-3.37 mas/yr

Galactic Cartesian (pc)

x = 0.205 · y = -0.742 · z = 0.639

Equatorial (J2000)

RA 285.41958° · Dec 39.70610°

Galactic ℓ, b

70.173° · 15.113°

Ecliptic λ, β

295.628° · 61.780°

HTM-20 index

-476264738

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