Confirmed Exoplanet Discovered 2014

Kepler-295 c

A rocky terrestrial orbiting the g-type yellow (sun-like) Kepler-295, located approximately 5,542.0 light-years from Earth.

Key parameters at a glance

  • A radius of 1.17 Earth radii
  • A mass of 1.71 Earth masses
  • Surface gravity around 1.25 g
  • An orbital period of 21.526 days
  • Semi-major axis 0.1420 AU
  • Equilibrium temperature 621 K (348 °C)
  • Distance from Earth 5,542.01 light-years
  • Earth Similarity Index 0.510
  • Travel time at Voyager 1 speed 97,733,343 years

2 siblings around Kepler-295

Kepler-295 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-295 b Rocky Terrestrial 1.22 1.98 12.645 741 2014
Kepler-295 c this Rocky Terrestrial 1.17 1.71 21.526 621 2014
Kepler-295 d Super-Earth 1.36 2.42 33.884 533 2014

Kepler-295 c Planet Profile

Physical Specs

Radius
1.17 R⊕
Radius (Jupiter)
0.104 R♃
Mass
1.71 M⊕
Mass (Jupiter)
0.005 M♃
Density
5.87 g/cm³
Surface Gravity
1.25 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.510
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

#135of 570

top 23.5%

This planet

1.17R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Metric Earth Kepler-295 c Jupiter
Radius (R⊕)1.001.1711.21
Mass (M⊕)1.001.71317.83
Density (g/cm³)5.515.871.33
Surface Gravity (g)1.001.252.53
Insolation (S⊕)1.00141.400.037

Star Catalogue Identifiers

TIC

TIC 164890864

Gaia DR2

Gaia DR2 2106402496271967360

Gaia DR3

Gaia DR3 2106402496271967360

System

Kepler-295

Percentile among Rocky Terrestrial cohort

Radius 1.170 R⊕ · percentile 75 / cohort 570
Mass 1.710 M⊕ · percentile 69 / cohort 570
Orbital period 21.53 d · percentile 93 / cohort 567
Distance 1,699.19 pc · percentile 99 / cohort 566
ESI 0.510 · percentile 71 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
21.526 days
Semi-major axis
0.1420 AU
Eccentricity
0.000
Inclination
86.20 °

Year Length

A year here lasts approximately 21.53 Earth days (5.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1420 AU.

Transit Fingerprint

Depth

0.019 %

Duration

8.213 h

Impact parameter b

0.050

Rp / R★

0.013930

Transit midpoint (BJD)

2,454,965.2872

Photometric dip

Transit produces a flux drop of 190 ppm lasting ≈ 8.21 h.

Extended Orbital Architecture

Planet / star radius ratio

0.013930

Semi-major axis / stellar radius

19.860

Impact parameter (b)

0.050

Transit mid-time (BJD)

2,454,965.2872

Angular separation (arcsec)

0.08360

Eq. Temperature

621K

(348 °C)

Insolation (S⊕)

141.40

Earth = 1.00

Earth Similarity (ESI)

0.510

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-295

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,603 K — cooler than the Sun (5,778 K)

Estimated Age

6.46 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.898 R☉

Stellar Mass

0.890 M☉

Metallicity [Fe/H]

-0.03

Extended Stellar Properties

Surface gravity (log g)

4.444 dex

Stellar density

0.100 g/cm³

Metallicity ratio

[Fe/H]

Distance
1,699.19 parsec
Light-years 5,542.01 ly
V-band magnitude
14.63 mag
Voyager-speed travel 97,733,343 yr

Multi-band Host Photometry — 16 bands

9.415.615.59B14.63V14.43Gaia14.45Kepler13.91TESS14.99Sloan g14.40Sloan r14.21Sloan i14.13Sloan z13.15J12.76H12.72K12.63W112.67W213.12W39.38W4

Astrometric Data

Parallax

0.559 mas

Total Proper Motion

2.626 mas/yr

PM Right Ascension

-2.60 mas/yr

PM Declination

0.33 mas/yr

Galactic Cartesian (pc)

x = 0.186 · y = -0.678 · z = 0.712

Equatorial (J2000)

RA 285.34584° · Dec 45.36778°

Galactic ℓ, b

75.612° · 17.300°

Ecliptic λ, β

298.773° · 67.280°

HTM-20 index

-1528359956

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