Confirmed Exoplanet Discovered 2016

Kepler-483 b

A sub-neptune orbiting the f-type yellow-white Kepler-483, located approximately 2,806.1 light-years from Earth.

Key parameters at a glance

  • A radius of 3.21 Earth radii
  • A mass of 10.40 Earth masses
  • Surface gravity around 1.01 g
  • An orbital period of 30.229 days
  • Semi-major axis 0.1947 AU
  • Equilibrium temperature 755 K (482 °C)
  • Distance from Earth 2,806.10 light-years
  • Earth Similarity Index 0.304
  • Travel time at Voyager 1 speed 49,485,561 years

Kepler-483 b Planet Profile

Physical Specs

Radius
3.21 R⊕
Radius (Jupiter)
0.286 R♃
Mass
10.40 M⊕
Mass (Jupiter)
0.033 M♃
Density
1.73 g/cm³
Surface Gravity
1.01 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.304
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

#339of 1978

top 17.1%

This planet

3.21R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth Kepler-483 b Jupiter
Radius (R⊕)1.003.2111.21
Mass (M⊕)1.0010.40317.83
Density (g/cm³)5.511.731.33
Surface Gravity (g)1.001.012.53
Insolation (S⊕)1.0061.500.037

Star Catalogue Identifiers

TIC

TIC 137342400

Gaia DR2

Gaia DR2 2101719263935952768

Gaia DR3

Gaia DR3 2101719263935952768

System

Kepler-483

Percentile among Sub-Neptune cohort

Radius 3.210 R⊕ · percentile 83 / cohort 1978
Mass 10.400 M⊕ · percentile 76 / cohort 1978
Orbital period 30.23 d · percentile 74 / cohort 1946
Distance 860.36 pc · percentile 70 / cohort 1975
ESI 0.304 · percentile 29 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
30.229 days
Semi-major axis
0.1947 AU
Eccentricity
0.000
Inclination
88.10 °

Year Length

A year here lasts approximately 30.23 Earth days (8.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1947 AU.

Transit Fingerprint

Depth

0.044 %

Duration

6.466 h

Impact parameter b

0.708

Rp / R★

0.019776

Transit midpoint (BJD)

2,454,967.5204

Photometric dip

Transit produces a flux drop of 443 ppm lasting ≈ 6.47 h.

Extended Orbital Architecture

Planet / star radius ratio

0.019776

Semi-major axis / stellar radius

26.200

Impact parameter (b)

0.708

Transit mid-time (BJD)

2,454,967.5204

Angular separation (arcsec)

0.22600

Eq. Temperature

755K

(482 °C)

Insolation (S⊕)

61.50

Earth = 1.00

Earth Similarity (ESI)

0.304

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-483

Spectral Class

F-type yellow-white

Effective Temperature

6,346 K — hotter than the Sun (5,778 K)

Estimated Age

2.63 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.470 R☉

Stellar Mass

1.280 M☉

Metallicity [Fe/H]

0.09

Extended Stellar Properties

Surface gravity (log g)

4.210 dex

Stellar density

0.460 g/cm³

Metallicity ratio

[Fe/H]

Distance
860.36 parsec
Light-years 2,806.10 ly
V-band magnitude
13.45 mag
Voyager-speed travel 49,485,561 yr

Multi-band Host Photometry — 16 bands

9.314.114.13B13.45V13.39Gaia13.43Kepler13.03TESS13.72Sloan g13.39Sloan r13.31Sloan i13.30Sloan z12.52J12.25H12.22K12.18W112.22W212.23W39.34W4

Astrometric Data

Parallax

1.134 mas

Total Proper Motion

8.509 mas/yr

PM Right Ascension

6.73 mas/yr

PM Declination

5.20 mas/yr

Galactic Cartesian (pc)

x = 0.275 · y = -0.692 · z = 0.668

Equatorial (J2000)

RA 291.64678° · Dec 41.88468°

Galactic ℓ, b

74.218° · 11.725°

Ecliptic λ, β

306.631° · 62.598°

HTM-20 index

-307946624

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