Confirmed Exoplanet Discovered 2016

Kepler-1335 b

A super-earth orbiting the k-type orange Kepler-1335, located approximately 2,028.2 light-years from Earth.

Key parameters at a glance

  • A radius of 1.45 Earth radii
  • A mass of 2.70 Earth masses
  • Surface gravity around 1.28 g
  • An orbital period of 6.264 days
  • Semi-major axis 0.0615 AU
  • Equilibrium temperature 809 K (536 °C)
  • Distance from Earth 2,028.21 light-years
  • Earth Similarity Index 0.378
  • Travel time at Voyager 1 speed 35,767,497 years
  • Almost certainly tidally locked to its host star given the close orbit

Kepler-1335 b Planet Profile

Physical Specs

Radius
1.45 R⊕
Radius (Jupiter)
0.129 R♃
Mass
2.70 M⊕
Mass (Jupiter)
0.008 M♃
Density
4.87 g/cm³
Surface Gravity
1.28 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.378
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

#837of 1176

top 71.1%

This planet

1.45R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1335 b Jupiter
Radius (R⊕)1.001.4511.21
Mass (M⊕)1.002.70317.83
Density (g/cm³)5.514.871.33
Surface Gravity (g)1.001.282.53
Insolation (S⊕)1.0080.740.037

Star Catalogue Identifiers

TIC

TIC 164827658

Gaia DR2

Gaia DR2 2104140349880122368

Gaia DR3

Gaia DR3 2104140349880122368

System

Kepler-1335

Percentile among Super-Earth cohort

Radius 1.450 R⊕ · percentile 28 / cohort 1176
Mass 2.700 M⊕ · percentile 26 / cohort 1176
Orbital period 6.26 d · percentile 49 / cohort 1164
Distance 621.85 pc · percentile 56 / cohort 1171
ESI 0.378 · percentile 56 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
6.264 days
Semi-major axis
0.0615 AU
Eccentricity
0.000
Inclination
89.33 °

Year Length

A year here lasts approximately 6.26 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0615 AU.

Transit Fingerprint

Depth

0.038 %

Duration

2.442 h

Impact parameter b

0.232

Rp / R★

0.018068

Transit midpoint (BJD)

2,454,965.8290

Photometric dip

Transit produces a flux drop of 379 ppm lasting ≈ 2.44 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018068

Semi-major axis / stellar radius

19.820

Impact parameter (b)

0.232

Transit mid-time (BJD)

2,454,965.8290

Angular separation (arcsec)

0.09890

Eq. Temperature

809K

(536 °C)

Insolation (S⊕)

80.74

Earth = 1.00

Earth Similarity (ESI)

0.378

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1335

Spectral Class

K-type orange

Effective Temperature

4,903 K — cooler than the Sun (5,778 K)

Estimated Age

4.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.740 R☉

Stellar Mass

0.770 M☉

Metallicity [Fe/H]

-0.07

Extended Stellar Properties

Surface gravity (log g)

4.600 dex

Stellar density

3.768 g/cm³

Metallicity ratio

[Fe/H]

Distance
621.85 parsec
Light-years 2,028.21 ly
V-band magnitude
15.25 mag
Voyager-speed travel 35,767,497 yr

Multi-band Host Photometry — 16 bands

9.616.516.51B15.25V15.30Gaia15.33Kepler14.67TESS16.10Sloan g15.25Sloan r15.00Sloan i14.83Sloan z13.79J13.28H13.13K13.16W113.27W213.03W39.57W4

Astrometric Data

Parallax

1.580 mas

Total Proper Motion

15.167 mas/yr

PM Right Ascension

3.59 mas/yr

PM Declination

-14.74 mas/yr

Galactic Cartesian (pc)

x = 0.190 · y = -0.718 · z = 0.670

Equatorial (J2000)

RA 284.83844° · Dec 42.07034°

Galactic ℓ, b

72.269° · 16.422°

Ecliptic λ, β

295.878° · 64.182°

HTM-20 index

2045193083

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