Key parameters at a glance
- A radius of 0.78 Earth radii
- A mass of 0.40 Earth masses
- Surface gravity around 0.66 g
- An orbital period of 0.900 days
- Semi-major axis 0.0186 AU
- Equilibrium temperature 2,078 K (1805 °C)
- Distance from Earth 1,942.70 light-years
- Earth Similarity Index 0.129
- Travel time at Voyager 1 speed 34,259,443 years
1 sibling around Kepler-653
Kepler-653 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-653 c this | Rocky Terrestrial | 0.78 | 0.40 | 0.900 | 2,078 | 2016 |
| Kepler-653 b | Super-Earth | 1.95 | 4.46 | 14.707 | 819 | 2016 |
Kepler-653 c Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#493of 570
top 86.3%
This planet
0.78R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-653 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 0.78 | 11.21 |
| Mass (M⊕) | 1.00 | 0.40 | 317.83 |
| Density (g/cm³) | 5.51 | 4.62 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.66 | 2.53 |
| Insolation (S⊕) | 1.00 | 3,743.28 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 123445166
Gaia DR2
Gaia DR2 2119511080054847616
Gaia DR3
Gaia DR3 2119511080054847616
System
Kepler-653
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts roughly 21.6 hours long on a nearly circular orbit at a mean orbital distance of 0.0186 AU.
Transit Fingerprint
Depth
0.004 %
Duration
1.393 h
Impact parameter b
0.750
Rp / R★
0.005833
Transit midpoint (BJD)
2,454,966.1188
Photometric dip
Transit produces a flux drop of 41 ppm lasting ≈ 1.39 h.
Extended Orbital Architecture
Planet / star radius ratio
0.005833
Semi-major axis / stellar radius
4.760
Impact parameter (b)
0.750
Transit mid-time (BJD)
2,454,966.1188
Angular separation (arcsec)
0.03110
Eq. Temperature
2,078K
(1805 °C)
Insolation (S⊕)
3,743.28
Earth = 1.00
Earth Similarity (ESI)
0.129
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-653
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,665 K — cooler than the Sun (5,778 K)
Estimated Age
7.76 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.190 R☉
Stellar Mass
1.020 M☉
Metallicity [Fe/H]
0.23
Extended Stellar Properties
Surface gravity (log g)
4.290 dex
Stellar density
0.630 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.650 mas
Total Proper Motion
16.337 mas/yr
PM Right Ascension
14.58 mas/yr
PM Declination
-7.38 mas/yr
Galactic Cartesian (pc)
x = 0.145 · y = -0.670 · z = 0.728
Equatorial (J2000)
RA 282.21304° · Dec 46.71779°
Galactic ℓ, b
76.158° · 19.806°
Ecliptic λ, β
294.032° · 69.140°
HTM-20 index
1856733957
Similar Worlds
Kepler-783 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.78 R⊕ · 1,683.3 ly
Kepler-1222 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.79 R⊕ · 1,354.3 ly
Kepler-1629 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.77 R⊕ · 1,096.2 ly
Kepler-1235 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.79 R⊕ · 1,763.2 ly
Kepler-1566 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.79 R⊕ · 1,521.8 ly
Kepler-1130 c
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 0.79 R⊕ · 813.2 ly