Confirmed Exoplanet Discovered 2013

Kepler-62 b

A super-earth orbiting the k-type orange Kepler-62, located approximately 981.3 light-years from Earth.

Key parameters at a glance

  • A radius of 1.31 Earth radii
  • A mass of 9.00 Earth masses
  • Surface gravity around 5.24 g
  • An orbital period of 5.715 days
  • Semi-major axis 0.0553 AU
  • Equilibrium temperature 750 K (477 °C)
  • Distance from Earth 981.32 light-years
  • Earth Similarity Index 0.283
  • Travel time at Voyager 1 speed 17,305,553 years
  • Almost certainly tidally locked to its host star given the close orbit

4 siblings around Kepler-62

Kepler-62 b shares its host star with 4 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-62 b this Super-Earth 1.31 9.00 5.715 750 2013
Kepler-62 c Rocky Terrestrial 0.54 4.00 12.442 578 2013
Kepler-62 d Super-Earth 1.95 14.00 18.164 510 2013
Kepler-62 e Super-Earth 1.61 36.00 122.387 270 2013
Kepler-62 f Super-Earth 1.41 35.00 267.291 208 2013

Kepler-62 b Planet Profile

Physical Specs

Radius
1.31 R⊕
Radius (Jupiter)
0.117 R♃
Mass
9.00 M⊕
Mass (Jupiter)
0.030 M♃
Density
g/cm³
Surface Gravity
5.24 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.283
HZ Position Inner
Controversial No

Discovery

Year 2013
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#1072of 1176

top 91.1%

This planet

1.31R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-62 b Jupiter
Radius (R⊕)1.001.3111.21
Mass (M⊕)1.009.00317.83
Density (g/cm³)5.511.33
Surface Gravity (g)1.005.242.53
Insolation (S⊕)1.0080.330.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 9.000 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 164458488

Gaia DR2

Gaia DR2 2107001283431633408

Gaia DR3

Gaia DR3 2107001283431633408

System

Kepler-62

Percentile among Super-Earth cohort

Radius 1.310 R⊕ · percentile 8 / cohort 1176
Mass 9.000 M⊕ · percentile 96 / cohort 1176
Orbital period 5.71 d · percentile 45 / cohort 1164
Distance 300.87 pc · percentile 31 / cohort 1171
ESI 0.283 · percentile 32 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
5.715 days
Semi-major axis
0.0553 AU
Eccentricity
0.000
Inclination
89.20 °

Year Length

A year here lasts approximately 5.71 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0553 AU.

Transit Fingerprint

Depth

0.043 %

Duration

2.310 h

Impact parameter b

0.250

Rp / R★

0.018800

Transit midpoint (BJD)

2,455,003.9189

Photometric dip

Transit produces a flux drop of 430 ppm lasting ≈ 2.31 h.

Extended Orbital Architecture

Planet / star radius ratio

0.018800

Semi-major axis / stellar radius

18.700

Impact parameter (b)

0.250

Transit mid-time (BJD)

2,455,003.9189

Angular separation (arcsec)

0.18400

Eq. Temperature

750K

(477 °C)

Insolation (S⊕)

80.33

Earth = 1.00

Earth Similarity (ESI)

0.283

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.

Detection Signatures

Transit photometry

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

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Borucki et al. 2013

Instrument

Kepler CCD Array

Publication

2013-05

Observation locale

Space

Host System: Kepler-62

Spectral Class

K-type orange

Effective Temperature

4,925 K — cooler than the Sun (5,778 K)

Estimated Age

7.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.640 R☉

Stellar Mass

0.690 M☉

Metallicity [Fe/H]

-0.37

Extended Stellar Properties

Surface gravity (log g)

4.680 dex

Stellar density

3.800 g/cm³

Rotational v·sin i

0.40 km/s

Metallicity ratio

[Fe/H]

Distance
300.87 parsec
Light-years 981.32 ly
V-band magnitude
13.97 mag
Voyager-speed travel 17,305,553 yr

Multi-band Host Photometry — 16 bands

8.715.015.03B13.97V13.72Gaia13.73Kepler13.13TESS14.42Sloan g13.65Sloan r13.43Sloan i13.30Sloan z12.26J11.74H11.66K11.61W111.66W211.68W38.65W4

Astrometric Data

Parallax

3.295 mas

Total Proper Motion

40.053 mas/yr

PM Right Ascension

-25.15 mas/yr

PM Declination

-31.17 mas/yr

Galactic Cartesian (pc)

x = 0.161 · y = -0.684 · z = 0.711

Equatorial (J2000)

RA 283.21256° · Dec 45.34970°

Galactic ℓ, b

75.038° · 18.695°

Ecliptic λ, β

294.979° · 67.646°

HTM-20 index

285252744

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