Key parameters at a glance
- A radius of 1.15 Earth radii
- A mass of 1.60 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 3.546 days
- Semi-major axis 0.0466 AU
- Equilibrium temperature 1,448 K (1175 °C)
- Distance from Earth 6,194.49 light-years
- Earth Similarity Index 0.208
- Travel time at Voyager 1 speed 109,239,741 years
2 siblings around Kepler-1468
Kepler-1468 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-1468 c this | Rocky Terrestrial | 1.15 | 1.60 | 3.546 | 1,448 | 2016 |
| Kepler-1468 b | Super-Earth | 1.73 | 3.64 | 8.240 | 1,093 | 2016 |
| Kepler-1468 d | Sub-Neptune | 3.33 | 11.10 | 19.591 | 819 | 2021 |
Kepler-1468 c Planet Profile
Physical Specs
Classification
Planet Type
Rocky Terrestrial
Discovery
Size rank in cohort
Rank by radius
#160of 570
top 27.9%
This planet
1.15R⊕
Rocky Terrestrial median
1.01R⊕
Nearest-size peers
| Metric | Earth | Kepler-1468 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.15 | 11.21 |
| Mass (M⊕) | 1.00 | 1.60 | 317.83 |
| Density (g/cm³) | 5.51 | 5.78 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,479.57 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 138219758
Gaia DR2
Gaia DR2 2077389820395188736
Gaia DR3
Gaia DR3 2077389820395188736
System
Kepler-1468
Percentile among Rocky Terrestrial cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.55 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0466 AU.
Transit Fingerprint
Depth
0.012 %
Duration
4.170 h
Impact parameter b
0.317
Rp / R★
0.010030
Transit midpoint (BJD)
2,454,965.3770
Photometric dip
Transit produces a flux drop of 119 ppm lasting ≈ 4.17 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010030
Semi-major axis / stellar radius
6.563
Impact parameter (b)
0.317
Transit mid-time (BJD)
2,454,965.3770
Angular separation (arcsec)
0.02450
Eq. Temperature
1,448K
(1175 °C)
Insolation (S⊕)
1,479.57
Earth = 1.00
Earth Similarity (ESI)
0.208
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-1468
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,893 K — hotter than the Sun (5,778 K)
Estimated Age
3.55 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.050 R☉
Stellar Mass
1.040 M☉
Metallicity [Fe/H]
0.03
Extended Stellar Properties
Surface gravity (log g)
4.420 dex
Stellar density
0.392 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.498 mas
Total Proper Motion
13.906 mas/yr
PM Right Ascension
-7.76 mas/yr
PM Declination
-11.54 mas/yr
Galactic Cartesian (pc)
x = 0.300 · y = -0.689 · z = 0.660
Equatorial (J2000)
RA 293.51983° · Dec 41.27737°
Galactic ℓ, b
74.306° · 10.200°
Ecliptic λ, β
309.037° · 61.567°
HTM-20 index
1415711737
Similar Worlds
Kepler-1199 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 1,837.9 ly
K2-185 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 875.3 ly
Kepler-1240 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 2,812.1 ly
Kepler-339 c
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 2,011.2 ly
Kepler-1553 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 2,258.9 ly
Kepler-1763 b
Rocky Terrestrial · G-type yellow (Sun-like)
Radius 1.15 R⊕ · 2,467.3 ly