Confirmed Exoplanet Discovered 2016 Habitable Zone

Kepler-1600 b

A sub-neptune orbiting the g-type yellow (sun-like) Kepler-1600, located approximately 3,362.0 light-years from Earth.

Key parameters at a glance

  • A radius of 3.13 Earth radii
  • A mass of 9.96 Earth masses
  • Surface gravity around 1.02 g
  • An orbital period of 386.371 days
  • Semi-major axis 0.9814 AU
  • Equilibrium temperature 209 K (-64 °C)
  • Distance from Earth 3,362.05 light-years
  • Earth Similarity Index 0.552
  • Travel time at Voyager 1 speed 59,289,725 years

1 sibling around Kepler-1600

Kepler-1600 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-1600 c Super-Earth 1.94 4.43 7.298 786 2021
Kepler-1600 b this Sub-Neptune 3.13 9.96 386.371 209 2016

Kepler-1600 b Planet Profile

Physical Specs

Radius
3.13 R⊕
Radius (Jupiter)
0.279 R♃
Mass
9.96 M⊕
Mass (Jupiter)
0.031 M♃
Density
1.78 g/cm³
Surface Gravity
1.02 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.552
HZ Position Habitable
Controversial No

Discovery

Year 2016
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#406of 1978

top 20.5%

This planet

3.13R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

Kepler-1546 b 3.13 R⊕ Kepler-104 c 3.13 R⊕ Kepler-146 c 3.13 R⊕
Metric Earth Kepler-1600 b Jupiter
Radius (R⊕)1.003.1311.21
Mass (M⊕)1.009.96317.83
Density (g/cm³)5.511.781.33
Surface Gravity (g)1.001.022.53
Insolation (S⊕)1.000.400.037

Star Catalogue Identifiers

TIC

TIC 137151626

Gaia DR2

Gaia DR2 2052754540819149568

Gaia DR3

Gaia DR3 2052754540819149568

System

Kepler-1600

Percentile among Sub-Neptune cohort

Radius 3.130 R⊕ · percentile 79 / cohort 1978
Mass 9.960 M⊕ · percentile 72 / cohort 1978
Orbital period 386.37 d · percentile 99 / cohort 1946
Distance 1,030.81 pc · percentile 80 / cohort 1975
ESI 0.552 · percentile 77 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period
386.371 days
Semi-major axis
0.9814 AU
Eccentricity
0.000
Inclination
90.00 °

Year Length

A year here lasts about 1.06 Earth years on a nearly circular orbit at a mean orbital distance of 0.9814 AU.

Transit Fingerprint

Depth

0.134 %

Duration

10.950 h

Impact parameter b

0.059

Rp / R★

0.034806

Transit midpoint (BJD)

2,455,285.8748

Photometric dip

Transit produces a flux drop of 1,336 ppm lasting ≈ 10.95 h.

Extended Orbital Architecture

Planet / star radius ratio

0.034806

Semi-major axis / stellar radius

278.500

Impact parameter (b)

0.059

Transit mid-time (BJD)

2,455,285.8748

Angular separation (arcsec)

0.95200

Eq. Temperature

209K

(-64 °C)

Insolation (S⊕)

0.40

Earth = 1.00

Earth Similarity (ESI)

0.552

0 = alien, 1 = Earth-identical

Within the conservative habitable zone — surface water would be frozen.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2016 at Kepler (12 shown).

Kepler-1512 b · Rocky Terrestrial Kepler-1410 b · Super-Earth Kepler-560 b · Super-Earth Kepler-1389 b · Super-Earth Kepler-1450 b · Super-Earth Kepler-1544 b · Super-Earth Kepler-1459 b · Super-Earth Kepler-1638 b · Super-Earth Kepler-737 b · Super-Earth Kepler-1185 b · Super-Earth Kepler-1178 b · Rocky Terrestrial Kepler-1040 b · Sub-Neptune

Host System: Kepler-1600

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,214 K — cooler than the Sun (5,778 K)

Estimated Age

4.68 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.820 R☉

Stellar Mass

0.860 M☉

Metallicity [Fe/H]

0.07

Extended Stellar Properties

Surface gravity (log g)

4.550 dex

Stellar density

1.540 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,030.81 parsec
Light-years 3,362.05 ly
V-band magnitude
16.08 mag
Voyager-speed travel 59,289,725 yr

Multi-band Host Photometry — 16 bands

9.316.616.65B16.08V15.81Gaia15.83Kepler15.22TESS16.55Sloan g15.76Sloan r15.51Sloan i15.40Sloan z14.35J13.90H13.90K13.85W113.88W212.74W39.30W4

Astrometric Data

Parallax

0.942 mas

Total Proper Motion

4.004 mas/yr

PM Right Ascension

0.66 mas/yr

PM Declination

3.95 mas/yr

Galactic Cartesian (pc)

x = 0.284 · y = -0.726 · z = 0.626

Equatorial (J2000)

RA 291.39938° · Dec 38.78776°

Galactic ℓ, b

71.302° · 10.523°

Ecliptic λ, β

304.312° · 59.703°

HTM-20 index

2111467440

Similar Worlds

Kepler-955 b

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 1,795.1 ly

Kepler-1546 b

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 3,039.6 ly

K2-195 b

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 1,027.4 ly

K2-272 b

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 1,379.9 ly

Kepler-104 c

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 1,307.2 ly

Kepler-146 c

Sub-Neptune · G-type yellow (Sun-like)

Radius 3.13 R⊕ · 2,337.9 ly

Explore Related Categories

Sub-Neptune Planets Transit Discoveries Kepler Mission G-type yellow (Sun-like) Hosts Habitable-Zone Planets