Key parameters at a glance
- A radius of 2.71 Earth radii
- A mass of 7.80 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 6.626 days
- Semi-major axis 0.0710 AU
- Equilibrium temperature 895 K (622 °C)
- Distance from Earth 4,425.97 light-years
- Earth Similarity Index 0.273
- Travel time at Voyager 1 speed 78,051,968 years
1 sibling around Kepler-294
Kepler-294 c 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 | Super-Earth | 1.77 | 3.78 | 3.701 | 1,087 | 2014 |
| Kepler-294 c this | Sub-Neptune | 2.71 | 7.80 | 6.626 | 895 | 2014 |
Kepler-294 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#849of 1978
top 42.9%
This planet
2.71R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-294 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.71 | 11.21 |
| Mass (M⊕) | 1.00 | 7.80 | 317.83 |
| Density (g/cm³) | 5.51 | 2.15 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 151.49 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158487005
Gaia DR2
Gaia DR2 2130315224909221120
Gaia DR3
Gaia DR3 2130315224909221120
System
Kepler-294
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.63 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0710 AU.
Transit Fingerprint
Depth
0.081 %
Duration
3.175 h
Impact parameter b
0.140
Rp / R★
0.025799
Transit midpoint (BJD)
2,455,016.9882
Photometric dip
Transit produces a flux drop of 815 ppm lasting ≈ 3.18 h.
Extended Orbital Architecture
Planet / star radius ratio
0.025799
Semi-major axis / stellar radius
16.270
Impact parameter (b)
0.140
Transit mid-time (BJD)
2,455,016.9882
Angular separation (arcsec)
0.05230
Eq. Temperature
895K
(622 °C)
Insolation (S⊕)
151.49
Earth = 1.00
Earth Similarity (ESI)
0.273
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. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
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]
Multi-band Host Photometry — 16 bands
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
Similar Worlds
Kepler-1230 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 4,449.5 ly
Kepler-478 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 1,369.9 ly
Kepler-233 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 2,793.3 ly
Kepler-540 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 1,273.2 ly
Kepler-1801 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 2,737.5 ly
Kepler-1843 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.71 R⊕ · 2,559.1 ly