Confirmed Exoplanet Discovered 2016

Kepler-1359 b

A sub-neptune orbiting the k-type orange Kepler-1359, located approximately 2,005.4 light-years from Earth.

Key parameters at a glance

  • A radius of 2.83 Earth radii
  • A mass of 8.40 Earth masses
  • Surface gravity around 1.05 g
  • An orbital period of 59.497 days
  • Semi-major axis 0.2666 AU
  • Equilibrium temperature 369 K (96 °C)
  • Distance from Earth 2,005.40 light-years
  • Earth Similarity Index 0.610
  • Travel time at Voyager 1 speed 35,365,219 years

Kepler-1359 b Planet Profile

Physical Specs

Radius
2.83 R⊕
Radius (Jupiter)
0.252 R♃
Mass
8.40 M⊕
Mass (Jupiter)
0.026 M♃
Density
2.04 g/cm³
Surface Gravity
1.05 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.610
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

#703of 1978

top 35.5%

This planet

2.83R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Metric Earth Kepler-1359 b Jupiter
Radius (R⊕)1.002.8311.21
Mass (M⊕)1.008.40317.83
Density (g/cm³)5.512.041.33
Surface Gravity (g)1.001.052.53
Insolation (S⊕)1.002.450.037

Star Catalogue Identifiers

TIC

TIC 159102744

Gaia DR2

Gaia DR2 2102247132595492608

Gaia DR3

Gaia DR3 2102247132595492608

System

Kepler-1359

Percentile among Sub-Neptune cohort

Radius 2.830 R⊕ · percentile 64 / cohort 1978
Mass 8.400 M⊕ · percentile 58 / cohort 1978
Orbital period 59.50 d · percentile 88 / cohort 1946
Distance 614.86 pc · percentile 54 / cohort 1975
ESI 0.610 · percentile 83 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
59.497 days
Semi-major axis
0.2666 AU
Eccentricity
0.000
Inclination
89.71 °

Year Length

A year here lasts approximately 59.50 Earth days (16.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2666 AU.

Transit Fingerprint

Depth

0.130 %

Duration

5.602 h

Impact parameter b

0.406

Rp / R★

0.035616

Transit midpoint (BJD)

2,454,979.9505

Photometric dip

Transit produces a flux drop of 1,302 ppm lasting ≈ 5.60 h.

Extended Orbital Architecture

Planet / star radius ratio

0.035616

Semi-major axis / stellar radius

60.000

Impact parameter (b)

0.406

Transit mid-time (BJD)

2,454,979.9505

Angular separation (arcsec)

0.43400

Eq. Temperature

369K

(96 °C)

Insolation (S⊕)

2.45

Earth = 1.00

Earth Similarity (ESI)

0.610

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — liquid water is physically possible with adequate atmospheric pressure.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1359

Spectral Class

K-type orange

Effective Temperature

4,709 K — cooler than the Sun (5,778 K)

Estimated Age

2.34 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.720 R☉

Stellar Mass

0.780 M☉

Metallicity [Fe/H]

0.11

Extended Stellar Properties

Surface gravity (log g)

4.620 dex

Stellar density

2.320 g/cm³

Metallicity ratio

[Fe/H]

Distance
614.86 parsec
Light-years 2,005.40 ly
V-band magnitude
15.99 mag
Voyager-speed travel 35,365,219 yr

Multi-band Host Photometry — 16 bands

9.416.716.71B15.99V15.75Gaia15.77Kepler15.07TESS16.70Sloan g15.69Sloan r15.37Sloan i15.17Sloan z14.04J13.51H13.43K13.40W113.43W212.62W39.36W4

Astrometric Data

Parallax

1.599 mas

Total Proper Motion

5.496 mas/yr

PM Right Ascension

-3.67 mas/yr

PM Declination

4.09 mas/yr

Galactic Cartesian (pc)

x = 0.249 · y = -0.702 · z = 0.668

Equatorial (J2000)

RA 289.53882° · Dec 41.89282°

Galactic ℓ, b

73.535° · 13.145°

Ecliptic λ, β

303.364° · 63.087°

HTM-20 index

428792803

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