Key parameters at a glance
- A radius of 1.44 Earth radii
- A mass of 2.67 Earth masses
- Surface gravity around 1.29 g
- An orbital period of 4.354 days
- Semi-major axis 0.0484 AU
- Equilibrium temperature 1,043 K (770 °C)
- Distance from Earth 2,628.61 light-years
- Earth Similarity Index 0.289
- Travel time at Voyager 1 speed 46,355,510 years
1 sibling around Kepler-1245
Kepler-1245 b 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-1245 c | Super-Earth | 1.44 | 2.67 | 2.937 | 1,190 | 2016 |
| Kepler-1245 b this | Super-Earth | 1.44 | 2.67 | 4.354 | 1,043 | 2016 |
Kepler-1245 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#850of 1176
top 72.2%
This planet
1.44R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1245 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.44 | 11.21 |
| Mass (M⊕) | 1.00 | 2.67 | 317.83 |
| Density (g/cm³) | 5.51 | 4.91 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.29 | 2.53 |
| Insolation (S⊕) | 1.00 | 194.34 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 159449041
Gaia DR2
Gaia DR2 2126057774150666368
Gaia DR3
Gaia DR3 2126057774150666368
System
Kepler-1245
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.35 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0484 AU.
Transit Fingerprint
Depth
0.028 %
Duration
2.313 h
Impact parameter b
0.115
Rp / R★
0.015706
Transit midpoint (BJD)
2,454,965.8528
Photometric dip
Transit produces a flux drop of 277 ppm lasting ≈ 2.31 h.
Extended Orbital Architecture
Planet / star radius ratio
0.015706
Semi-major axis / stellar radius
14.530
Impact parameter (b)
0.115
Transit mid-time (BJD)
2,454,965.8528
Angular separation (arcsec)
0.06010
Eq. Temperature
1,043K
(770 °C)
Insolation (S⊕)
194.34
Earth = 1.00
Earth Similarity (ESI)
0.289
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-1245
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,306 K — cooler than the Sun (5,778 K)
Estimated Age
4.57 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.830 R☉
Stellar Mass
0.860 M☉
Metallicity [Fe/H]
-0.01
Extended Stellar Properties
Surface gravity (log g)
4.550 dex
Stellar density
3.059 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.212 mas
Total Proper Motion
7.146 mas/yr
PM Right Ascension
1.75 mas/yr
PM Declination
-6.93 mas/yr
Galactic Cartesian (pc)
x = 0.258 · y = -0.681 · z = 0.685
Equatorial (J2000)
RA 290.74431° · Dec 43.26075°
Galactic ℓ, b
75.193° · 12.920°
Ecliptic λ, β
306.212° · 64.114°
HTM-20 index
834871197
Similar Worlds
Kepler-203 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 2,293.9 ly
Kepler-1149 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 3,971.7 ly
Kepler-105 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 1,497.8 ly
Kepler-605 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 1,815.3 ly
Kepler-1218 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 2,741.4 ly
Kepler-1310 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.44 R⊕ · 1,856.4 ly