Key parameters at a glance
- A radius of 1.50 Earth radii
- A mass of 2.86 Earth masses
- Surface gravity around 1.27 g
- An orbital period of 3.933 days
- Semi-major axis 0.0477 AU
- Equilibrium temperature 1,140 K (867 °C)
- Distance from Earth 2,985.02 light-years
- Earth Similarity Index 0.259
- Travel time at Voyager 1 speed 52,640,804 years
4 siblings around Kepler-154
Kepler-154 e shares its host star with 4 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-154 e this | Super-Earth | 1.50 | 2.86 | 3.933 | 1,140 | 2016 |
| Kepler-154 f | Super-Earth | 1.50 | 2.86 | 9.919 | 838 | 2016 |
| Kepler-154 d | Sub-Neptune | 3.84 | 14.10 | 20.550 | 657 | 2016 |
| Kepler-154 b | Sub-Neptune | 2.26 | 5.73 | 33.041 | 561 | 2014 |
| Kepler-154 c | Sub-Neptune | 2.95 | 9.01 | 62.303 | 454 | 2014 |
Kepler-154 e Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#748of 1176
top 63.5%
This planet
1.50R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-154 e | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.50 | 11.21 |
| Mass (M⊕) | 1.00 | 2.86 | 317.83 |
| Density (g/cm³) | 5.51 | 4.66 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | 480.41 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 416282268
Gaia DR2
Gaia DR2 2133022669212268800
Gaia DR3
Gaia DR3 2133022669212268800
System
Kepler-154
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.93 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0477 AU.
Transit Fingerprint
Depth
0.023 %
Duration
2.917 h
Impact parameter b
0.335
Rp / R★
0.014249
Transit midpoint (BJD)
2,454,967.6512
Photometric dip
Transit produces a flux drop of 235 ppm lasting ≈ 2.92 h.
Extended Orbital Architecture
Planet / star radius ratio
0.014249
Semi-major axis / stellar radius
9.880
Impact parameter (b)
0.335
Transit mid-time (BJD)
2,454,967.6512
Angular separation (arcsec)
0.05210
Eq. Temperature
1,140K
(867 °C)
Insolation (S⊕)
480.41
Earth = 1.00
Earth Similarity (ESI)
0.259
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-154
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,769 K — cooler than the Sun (5,778 K)
Estimated Age
4.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.980 R☉
Stellar Mass
0.980 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.450 dex
Stellar density
0.820 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.064 mas
Total Proper Motion
5.422 mas/yr
PM Right Ascension
-2.66 mas/yr
PM Declination
4.73 mas/yr
Galactic Cartesian (pc)
x = 0.218 · y = -0.606 · z = 0.765
Equatorial (J2000)
RA 289.78054° · Dec 49.89656°
Galactic ℓ, b
81.168° · 16.242°
Ecliptic λ, β
310.871° · 70.542°
HTM-20 index
953134717
Similar Worlds
Kepler-207 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,855.6 ly
Kepler-598 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,221.4 ly
Kepler-246 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,042.0 ly
Kepler-273 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,328.6 ly
Kepler-154 f
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,985.0 ly
K2-223 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 647.8 ly