Confirmed Exoplanet Discovered 2016

Kepler-1050 b

A super-earth orbiting the f-type yellow-white Kepler-1050, located approximately 1,599.8 light-years from Earth.

Key parameters at a glance

  • A radius of 1.60 Earth radii
  • A mass of 3.19 Earth masses
  • Surface gravity around 1.25 g
  • An orbital period of 15.379 days
  • Semi-major axis 0.1235 AU
  • Equilibrium temperature 1,039 K (766 °C)
  • Distance from Earth 1,599.76 light-years
  • Earth Similarity Index 0.281
  • Travel time at Voyager 1 speed 28,211,696 years

1 sibling around Kepler-1050

Kepler-1050 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-1050 b this Super-Earth 1.60 3.19 15.379 1,039 2016
Kepler-1050 c Super-Earth 1.48 2.79 21.128 935 2016

Kepler-1050 b Planet Profile

Physical Specs

Radius
1.60 R⊕
Radius (Jupiter)
0.143 R♃
Mass
3.19 M⊕
Mass (Jupiter)
0.010 M♃
Density
4.28 g/cm³
Surface Gravity
1.25 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.281
HZ Position Inner
Controversial No

Discovery

Year 2016
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#570of 1176

top 48.4%

This planet

1.60R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1050 b Jupiter
Radius (R⊕)1.001.6011.21
Mass (M⊕)1.003.19317.83
Density (g/cm³)5.514.281.33
Surface Gravity (g)1.001.252.53
Insolation (S⊕)1.0062.030.037

Star Catalogue Identifiers

TIC

TIC 48216453

Gaia DR2

Gaia DR2 2143749504651818368

Gaia DR3

Gaia DR3 2143749504651818368

System

Kepler-1050

Percentile among Super-Earth cohort

Radius 1.600 R⊕ · percentile 50 / cohort 1176
Mass 3.190 M⊕ · percentile 46 / cohort 1176
Orbital period 15.38 d · percentile 79 / cohort 1164
Distance 490.49 pc · percentile 47 / cohort 1171
ESI 0.281 · percentile 31 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
15.379 days
Semi-major axis
0.1235 AU
Eccentricity
0.000
Inclination
89.14 °

Year Length

A year here lasts approximately 15.38 Earth days (4.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1235 AU.

Transit Fingerprint

Depth

0.019 %

Duration

4.373 h

Impact parameter b

0.359

Rp / R★

0.013186

Transit midpoint (BJD)

2,454,976.4107

Photometric dip

Transit produces a flux drop of 193 ppm lasting ≈ 4.37 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013186

Semi-major axis / stellar radius

22.200

Impact parameter (b)

0.359

Transit mid-time (BJD)

2,454,976.4107

Angular separation (arcsec)

0.25200

Eq. Temperature

1,039K

(766 °C)

Insolation (S⊕)

62.03

Earth = 1.00

Earth Similarity (ESI)

0.281

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1050

Spectral Class

F-type yellow-white

Effective Temperature

6,010 K — hotter than the Sun (5,778 K)

Estimated Age

3.55 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.130 R☉

Stellar Mass

1.090 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.370 dex

Stellar density

1.080 g/cm³

Metallicity ratio

[Fe/H]

Distance
490.49 parsec
Light-years 1,599.76 ly
V-band magnitude
13.20 mag
Voyager-speed travel 28,211,696 yr

Multi-band Host Photometry — 16 bands

9.213.913.86B13.20V13.07Gaia13.13Kepler12.64TESS13.53Sloan g13.07Sloan r12.96Sloan i12.93Sloan z12.04J11.75H11.72K11.68W111.71W211.71W39.24W4

Astrometric Data

Parallax

2.010 mas

Total Proper Motion

4.274 mas/yr

PM Right Ascension

1.39 mas/yr

PM Declination

4.04 mas/yr

Galactic Cartesian (pc)

x = 0.148 · y = -0.644 · z = 0.750

Equatorial (J2000)

RA 282.92498° · Dec 48.62640°

Galactic ℓ, b

78.244° · 19.969°

Ecliptic λ, β

296.805° · 70.865°

HTM-20 index

1930392817

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