Confirmed Exoplanet Discovered 2014

Kepler-294 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-294, located approximately 4,426.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.77 Earth radii
  • A mass of 3.78 Earth masses
  • Surface gravity around 1.21 g
  • An orbital period of 3.701 days
  • Semi-major axis 0.0480 AU
  • Equilibrium temperature 1,087 K (814 °C)
  • Distance from Earth 4,425.97 light-years
  • Earth Similarity Index 0.258
  • Travel time at Voyager 1 speed 78,051,968 years

1 sibling around Kepler-294

Kepler-294 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-294 b this Super-Earth 1.77 3.78 3.701 1,087 2014
Kepler-294 c Sub-Neptune 2.71 7.80 6.626 895 2014

Kepler-294 b Planet Profile

Physical Specs

Radius
1.77 R⊕
Radius (Jupiter)
0.158 R♃
Mass
3.78 M⊕
Mass (Jupiter)
0.012 M♃
Density
3.75 g/cm³
Surface Gravity
1.21 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.258
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#293of 1176

top 24.8%

This planet

1.77R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-294 b Jupiter
Radius (R⊕)1.001.7711.21
Mass (M⊕)1.003.78317.83
Density (g/cm³)5.513.751.33
Surface Gravity (g)1.001.212.53
Insolation (S⊕)1.00329.800.037

Star Catalogue Identifiers

TIC

TIC 158487005

Gaia DR2

Gaia DR2 2130315224909221120

Gaia DR3

Gaia DR3 2130315224909221120

System

Kepler-294

Percentile among Super-Earth cohort

Radius 1.770 R⊕ · percentile 73 / cohort 1176
Mass 3.780 M⊕ · percentile 67 / cohort 1176
Orbital period 3.70 d · percentile 28 / cohort 1164
Distance 1,357.01 pc · percentile 93 / cohort 1171
ESI 0.258 · percentile 26 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
3.701 days
Semi-major axis
0.0480 AU
Eccentricity
0.000
Inclination
89.09 °

Year Length

A year here lasts approximately 3.70 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0480 AU.

Transit Fingerprint

Depth

0.033 %

Duration

2.476 h

Impact parameter b

0.050

Rp / R★

0.017420

Transit midpoint (BJD)

2,455,013.2759

Photometric dip

Transit produces a flux drop of 327 ppm lasting ≈ 2.48 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017420

Semi-major axis / stellar radius

11.634

Impact parameter (b)

0.050

Transit mid-time (BJD)

2,455,013.2759

Angular separation (arcsec)

0.03540

Eq. Temperature

1,087K

(814 °C)

Insolation (S⊕)

329.80

Earth = 1.00

Earth Similarity (ESI)

0.258

0 = alien, 1 = Earth-identical

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

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-294

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,913 K — hotter than the Sun (5,778 K)

Estimated Age

3.98 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.976 R☉

Stellar Mass

0.947 M☉

Metallicity [Fe/H]

0.11

Extended Stellar Properties

Surface gravity (log g)

4.491 dex

Stellar density

1.260 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,357.01 parsec
Light-years 4,425.97 ly
V-band magnitude
15.95 mag
Voyager-speed travel 78,051,968 yr

Multi-band Host Photometry — 16 bands

9.416.916.89B15.95V15.82Gaia15.84Kepler15.32TESS16.36Sloan g15.79Sloan r15.62Sloan i15.57Sloan z14.57J14.26H14.17K14.18W114.29W212.70W39.44W4

Astrometric Data

Parallax

0.708 mas

Total Proper Motion

7.209 mas/yr

PM Right Ascension

2.58 mas/yr

PM Declination

-6.73 mas/yr

Galactic Cartesian (pc)

x = 0.207 · y = -0.662 · z = 0.720

Equatorial (J2000)

RA 287.39204° · Dec 46.05926°

Galactic ℓ, b

76.839° · 16.232°

Ecliptic λ, β

302.855° · 67.525°

HTM-20 index

-1202749743

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