Key parameters at a glance
- A radius of 1.19 Earth radii
- A mass of 1.81 Earth masses
- Surface gravity around 1.28 g
- An orbital period of 9.110 days
- Semi-major axis 0.0862 AU
- Equilibrium temperature 873 K (600 °C)
- Distance from Earth 844.40 light-years
- Earth Similarity Index 0.361
- Travel time at Voyager 1 speed 14,890,906 years
1 sibling around Kepler-953
Kepler-953 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-953 c this | Rocky Terrestrial | 1.19 | 1.81 | 9.110 | 873 | 2016 |
| Kepler-953 b | Neptune-like | 4.21 | 16.50 | 88.407 | 410 | 2016 |
Kepler-953 c Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#101of 570
top 17.5%
This planet
1.19R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-953 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.19 | 11.21 |
| Mass (M⊕) | 1.00 | 1.81 | 317.83 |
| Density (g/cm³) | 5.51 | 5.90 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.28 | 2.53 |
| Insolation (S⊕) | 1.00 | 121.04 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158933249
Gaia DR2
Gaia DR2 2127132821641254272
Gaia DR3
Gaia DR3 2127132821641254272
System
Kepler-953
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.11 Earth days (2.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0862 AU.
Transit Fingerprint
Depth
0.013 %
Duration
5.302 h
Impact parameter b
0.344
Rp / R★
0.010650
Transit midpoint (BJD)
2,454,966.0672
Photometric dip
Transit produces a flux drop of 126 ppm lasting ≈ 5.30 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010650
Semi-major axis / stellar radius
12.490
Impact parameter (b)
0.344
Transit mid-time (BJD)
2,454,966.0672
Angular separation (arcsec)
0.33300
Eq. Temperature
873K
(600 °C)
Insolation (S⊕)
121.04
Earth = 1.00
Earth Similarity (ESI)
0.361
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
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-953
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,416 K — cooler than the Sun (5,778 K)
Estimated Age
8.71 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.990 R☉
Stellar Mass
0.950 M☉
Metallicity [Fe/H]
0.26
Extended Stellar Properties
Surface gravity (log g)
4.420 dex
Stellar density
0.264 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.890 mas
Total Proper Motion
23.660 mas/yr
PM Right Ascension
-9.42 mas/yr
PM Declination
21.70 mas/yr
Galactic Cartesian (pc)
x = 0.231 · y = -0.673 · z = 0.702
Equatorial (J2000)
RA 288.97163° · Dec 44.62465°
Galactic ℓ, b
75.924° · 14.647°
Ecliptic λ, β
304.382° · 65.814°
HTM-20 index
1204974875
Similar Worlds
Kepler-407 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,103.6 ly
Kepler-775 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,300.3 ly
Kepler-310 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,964.3 ly
Kepler-206 d
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,938.8 ly
Kepler-1139 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.19 R⊕ · 1,615.0 ly
Kepler-409 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.20 R⊕ · 222.4 ly