Confirmed Exoplanet Discovered 2016

Kepler-1530 c

A super-earth orbiting the g-type yellow (sun-like) Kepler-1530, located approximately 1,597.8 light-years from Earth.

Key parameters at a glance

  • A radius of 1.65 Earth radii
  • A mass of 3.36 Earth masses
  • Surface gravity around 1.23 g
  • An orbital period of 5.323 days
  • Semi-major axis 0.0574 AU
  • Equilibrium temperature 1,167 K (894 °C)
  • Distance from Earth 1,597.76 light-years
  • Earth Similarity Index 0.244
  • Travel time at Voyager 1 speed 28,176,495 years

2 siblings around Kepler-1530

Kepler-1530 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-1530 b Super-Earth 1.64 3.33 2.590 1,484 2016
Kepler-1530 c this Super-Earth 1.65 3.36 5.323 1,167 2016
Kepler-1530 d Sub-Neptune 3.28 10.80 9.208 972 2021

Kepler-1530 c Planet Profile

Physical Specs

Radius
1.65 R⊕
Radius (Jupiter)
0.147 R♃
Mass
3.36 M⊕
Mass (Jupiter)
0.011 M♃
Density
4.11 g/cm³
Surface Gravity
1.23 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.244
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

#485of 1176

top 41.2%

This planet

1.65R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1530 c Jupiter
Radius (R⊕)1.001.6511.21
Mass (M⊕)1.003.36317.83
Density (g/cm³)5.514.111.33
Surface Gravity (g)1.001.232.53
Insolation (S⊕)1.00135.180.037

Star Catalogue Identifiers

TIC

TIC 298892283

Gaia DR2

Gaia DR2 2130991596358782464

Gaia DR3

Gaia DR3 2130991596358782464

System

Kepler-1530

Percentile among Super-Earth cohort

Radius 1.650 R⊕ · percentile 58 / cohort 1176
Mass 3.360 M⊕ · percentile 52 / cohort 1176
Orbital period 5.32 d · percentile 42 / cohort 1164
Distance 489.88 pc · percentile 46 / cohort 1171
ESI 0.244 · percentile 22 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
5.323 days
Semi-major axis
0.0574 AU
Eccentricity
0.000
Inclination
85.11 °

Year Length

A year here lasts approximately 5.32 Earth days (1.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0574 AU.

Transit Fingerprint

Depth

0.034 %

Duration

2.571 h

Impact parameter b

0.064

Rp / R★

0.016864

Transit midpoint (BJD)

2,454,966.2203

Photometric dip

Transit produces a flux drop of 342 ppm lasting ≈ 2.57 h.

Extended Orbital Architecture

Planet / star radius ratio

0.016864

Semi-major axis / stellar radius

9.420

Impact parameter (b)

0.064

Transit mid-time (BJD)

2,454,966.2203

Angular separation (arcsec)

0.11700

Eq. Temperature

1,167K

(894 °C)

Insolation (S⊕)

135.18

Earth = 1.00

Earth Similarity (ESI)

0.244

0 = alien, 1 = Earth-identical

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

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1530

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,477 K — cooler than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.880 R☉

Stellar Mass

0.920 M☉

Metallicity [Fe/H]

0.03

Extended Stellar Properties

Surface gravity (log g)

4.520 dex

Stellar density

1.690 g/cm³

Metallicity ratio

[Fe/H]

Distance
489.88 parsec
Light-years 1,597.76 ly
V-band magnitude
14.15 mag
Voyager-speed travel 28,176,495 yr

Multi-band Host Photometry — 16 bands

9.415.415.40B14.15V14.01Gaia14.03Kepler13.49TESS14.60Sloan g13.96Sloan r13.78Sloan i13.70Sloan z12.80J12.45H12.30K12.27W112.31W212.67W39.45W4

Astrometric Data

Parallax

2.013 mas

Total Proper Motion

6.503 mas/yr

PM Right Ascension

-5.85 mas/yr

PM Declination

2.83 mas/yr

Galactic Cartesian (pc)

x = 0.208 · y = -0.634 · z = 0.745

Equatorial (J2000)

RA 288.16244° · Dec 48.16515°

Galactic ℓ, b

79.077° · 16.552°

Ecliptic λ, β

306.099° · 69.339°

HTM-20 index

545577256

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