Key parameters at a glance
- A radius of 2.53 Earth radii
- A mass of 6.94 Earth masses
- Surface gravity around 1.08 g
- An orbital period of 46.902 days
- Semi-major axis 0.2370 AU
- Equilibrium temperature 458 K (185 °C)
- Distance from Earth 1,498.26 light-years
- Earth Similarity Index 0.533
- Travel time at Voyager 1 speed 26,421,748 years
1 sibling around Kepler-153
Kepler-153 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-153 b | Sub-Neptune | 2.92 | 8.85 | 18.870 | 621 | 2014 |
| Kepler-153 c this | Sub-Neptune | 2.53 | 6.94 | 46.902 | 458 | 2014 |
Kepler-153 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1133of 1978
top 57.2%
This planet
2.53R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-153 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.53 | 11.21 |
| Mass (M⊕) | 1.00 | 6.94 | 317.83 |
| Density (g/cm³) | 5.51 | 2.35 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.08 | 2.53 |
| Insolation (S⊕) | 1.00 | 6.42 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 48188777
Gaia DR2
Gaia DR2 2119711156811669120
Gaia DR3
Gaia DR3 2119711156811669120
System
Kepler-153
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 46.90 Earth days (12.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2370 AU.
Transit Fingerprint
Depth
0.082 %
Duration
3.826 h
Impact parameter b
0.290
Rp / R★
0.026452
Transit midpoint (BJD)
2,454,987.3065
Photometric dip
Transit produces a flux drop of 821 ppm lasting ≈ 3.83 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026452
Semi-major axis / stellar radius
87.100
Impact parameter (b)
0.290
Transit mid-time (BJD)
2,454,987.3065
Angular separation (arcsec)
0.51600
Eq. Temperature
458K
(185 °C)
Insolation (S⊕)
6.42
Earth = 1.00
Earth Similarity (ESI)
0.533
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-153
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,404 K — cooler than the Sun (5,778 K)
Estimated Age
13.80 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.892 R☉
Stellar Mass
0.756 M☉
Metallicity [Fe/H]
-0.27
Extended Stellar Properties
Surface gravity (log g)
4.446 dex
Stellar density
1.940 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.148 mas
Total Proper Motion
16.892 mas/yr
PM Right Ascension
-5.18 mas/yr
PM Declination
-16.08 mas/yr
Galactic Cartesian (pc)
x = 0.144 · y = -0.650 · z = 0.746
Equatorial (J2000)
RA 282.46050° · Dec 48.25703°
Galactic ℓ, b
77.767° · 20.142°
Ecliptic λ, β
295.609° · 70.590°
HTM-20 index
2031141217
Similar Worlds
Kepler-903 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.53 R⊕ · 4,465.9 ly
Kepler-105 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.53 R⊕ · 1,497.8 ly
Kepler-896 b
Sub-Neptune · G-type yellow (Sun-like)
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Kepler-727 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.53 R⊕ · 2,713.1 ly
TOI-1136 g
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.53 R⊕ · 275.7 ly
Kepler-313 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.53 R⊕ · 3,520.5 ly