Key parameters at a glance
- A radius of 1.90 Earth radii
- A mass of 3.85 Earth masses
- Surface gravity around 1.07 g
- An orbital period of 8.919 days
- Semi-major axis 0.0842 AU
- Equilibrium temperature 1,023 K (750 °C)
- Distance from Earth 3,343.43 light-years
- Earth Similarity Index 0.266
- Travel time at Voyager 1 speed 58,961,299 years
2 siblings around Kepler-60
Kepler-60 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-60 b | Super-Earth | 1.71 | 4.19 | 7.133 | 1,102 | 2012 |
| Kepler-60 c this | Super-Earth | 1.90 | 3.85 | 8.919 | 1,023 | 2012 |
| Kepler-60 d | Super-Earth | 1.99 | 4.16 | 11.898 | 929 | 2012 |
Kepler-60 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#125of 1176
top 10.5%
This planet
1.90R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-60 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.90 | 11.21 |
| Mass (M⊕) | 1.00 | 3.85 | 317.83 |
| Density (g/cm³) | 5.51 | 3.06 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.07 | 2.53 |
| Insolation (S⊕) | 1.00 | 236.00 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 3.850 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 158923465
Gaia DR2
Gaia DR2 2102316985943863424
Gaia DR3
Gaia DR3 2102316985943863424
System
Kepler-60
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 8.92 Earth days (2.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0842 AU.
Transit Fingerprint
Depth
0.018 %
Duration
4.146 h
Impact parameter b
0.900
Rp / R★
0.015130
Transit midpoint (BJD)
2,456,466.5827
Photometric dip
Transit produces a flux drop of 181 ppm lasting ≈ 4.15 h.
Extended Orbital Architecture
Planet / star radius ratio
0.015130
Semi-major axis / stellar radius
7.320
Impact parameter (b)
0.900
Transit mid-time (BJD)
2,456,466.5827
Long. of periastron (ω)
14.61°
Angular separation (arcsec)
0.08220
Eq. Temperature
1,023K
(750 °C)
Insolation (S⊕)
236.00
Earth = 1.00
Earth Similarity (ESI)
0.266
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
Discovery Paper
Primary reference
Steffen et al. 2013Instrument
Kepler CCD Array
Publication
2013-01
Observation locale
Space
Discovery cohort
Planets confirmed in 2012 at Kepler (12 shown).
Host System: Kepler-60
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,905 K — hotter than the Sun (5,778 K)
Estimated Age
8.91 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.257 R☉
Stellar Mass
1.041 M☉
Metallicity [Fe/H]
-0.09
Extended Stellar Properties
Surface gravity (log g)
4.260 dex
Stellar density
0.340 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.947 mas
Total Proper Motion
7.911 mas/yr
PM Right Ascension
1.79 mas/yr
PM Declination
7.71 mas/yr
Galactic Cartesian (pc)
x = 0.240 · y = -0.700 · z = 0.673
Equatorial (J2000)
RA 288.96125° · Dec 42.26505°
Galactic ℓ, b
73.699° · 13.690°
Ecliptic λ, β
302.693° · 63.568°
HTM-20 index
-2013129393
Similar Worlds
Kepler-1177 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 4,239.9 ly
Kepler-1078 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 8,094.2 ly
K2-187 e
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 1,079.3 ly
TOI-1136 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 275.7 ly
KOI-1599.02
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 3,690.9 ly
Kepler-1596 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.90 R⊕ · 7,000.1 ly