Key parameters at a glance
- A radius of 1.75 Earth radii
- A mass of 1,806.36 Earth masses
- Surface gravity around 589.83 g
- An orbital period of 3.220 days
- Semi-major axis 0.0405 AU
- Equilibrium temperature 998 K (725 °C)
- Distance from Earth 2,809.92 light-years
- Earth Similarity Index 0.059
- Travel time at Voyager 1 speed 49,552,972 years
- Almost certainly tidally locked to its host star given the close orbit
3 siblings around Kepler-245
Kepler-245 e shares its host star with 3 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-245 e this | Super-Earth | 1.75 | 1,806.36 | 3.220 | 998 | 2016 |
| Kepler-245 b | Sub-Neptune | 2.57 | 146.78 | 7.490 | 753 | 2014 |
| Kepler-245 c | Sub-Neptune | 2.18 | 26.70 | 17.461 | 568 | 2014 |
| Kepler-245 d | Sub-Neptune | 3.03 | 21.60 | 36.277 | 445 | 2014 |
Kepler-245 e Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#326of 1176
top 27.6%
This planet
1.75R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-245 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.75 | 11.21 |
| Mass (M⊕) | 1.00 | 1,806.36 | 317.83 |
| Density (g/cm³) | 5.51 | 902.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 589.83 | 2.53 |
| Insolation (S⊕) | 1.00 | 240.15 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,806.360 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 63004906
Gaia DR2
Gaia DR2 2101768089124657664
Gaia DR3
Gaia DR3 2101768089124657664
System
Kepler-245
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.22 Earth days (0.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0405 AU.
Transit Fingerprint
Depth
0.050 %
Duration
2.116 h
Impact parameter b
0.068
Rp / R★
0.020121
Transit midpoint (BJD)
2,454,966.0031
Photometric dip
Transit produces a flux drop of 504 ppm lasting ≈ 2.12 h.
Extended Orbital Architecture
Planet / star radius ratio
0.020121
Semi-major axis / stellar radius
11.849
Impact parameter (b)
0.068
Transit mid-time (BJD)
2,454,966.0031
Angular separation (arcsec)
0.04700
Eq. Temperature
998K
(725 °C)
Insolation (S⊕)
240.15
Earth = 1.00
Earth Similarity (ESI)
0.059
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
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-245
Spectral Class
K-type orange
Effective Temperature
5,174 K — cooler than the Sun (5,778 K)
Estimated Age
3.63 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.800 R☉
Stellar Mass
0.860 M☉
Metallicity [Fe/H]
0.05
Extended Stellar Properties
Surface gravity (log g)
4.570 dex
Stellar density
1.700 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.133 mas
Total Proper Motion
6.121 mas/yr
PM Right Ascension
3.71 mas/yr
PM Declination
4.87 mas/yr
Galactic Cartesian (pc)
x = 0.272 · y = -0.686 · z = 0.675
Equatorial (J2000)
RA 291.63900° · Dec 42.43635°
Galactic ℓ, b
74.722° · 11.972°
Ecliptic λ, β
307.008° · 63.122°
HTM-20 index
-339621301
Similar Worlds
Kepler-124 c
Super-Earth · K-type orange
Radius 1.75 R⊕ · 1,370.0 ly
K2-216 b
Super-Earth · K-type orange
Radius 1.75 R⊕ · 376.6 ly
TOI-178 c
Super-Earth · K-type orange
Radius 1.75 R⊕ · 204.5 ly
Kepler-1062 b
Super-Earth · K-type orange
Radius 1.76 R⊕ · 1,296.3 ly
Kepler-1814 c
Super-Earth · K-type orange
Radius 1.76 R⊕ · 2,369.0 ly
Kepler-755 b
Super-Earth · K-type orange
Radius 1.76 R⊕ · 1,301.5 ly