Key parameters at a glance
- A radius of 1.77 Earth radii
- A mass of 3.78 Earth masses
- Surface gravity around 1.21 g
- An orbital period of 25.263 days
- Semi-major axis 0.1800 AU
- Equilibrium temperature 756 K (483 °C)
- Distance from Earth 3,094.51 light-years
- Earth Similarity Index 0.380
- Travel time at Voyager 1 speed 54,571,613 years
1 sibling around Kepler-270
Kepler-270 c 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-270 b | Sub-Neptune | 2.01 | 4.70 | 11.476 | 984 | 2014 |
| Kepler-270 c this | Super-Earth | 1.77 | 3.78 | 25.263 | 756 | 2014 |
Kepler-270 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#293of 1176
top 24.8%
This planet
1.77R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-270 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.77 | 11.21 |
| Mass (M⊕) | 1.00 | 3.78 | 317.83 |
| Density (g/cm³) | 5.51 | 3.75 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.21 | 2.53 |
| Insolation (S⊕) | 1.00 | 62.24 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 123417308
Gaia DR2
Gaia DR2 2105415306628609024
Gaia DR3
Gaia DR3 2105415306628609024
System
Kepler-270
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 25.26 Earth days (6.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1800 AU.
Transit Fingerprint
Depth
0.013 %
Duration
3.698 h
Impact parameter b
0.100
Rp / R★
0.010557
Transit midpoint (BJD)
2,454,967.2118
Photometric dip
Transit produces a flux drop of 126 ppm lasting ≈ 3.70 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010557
Semi-major axis / stellar radius
20.000
Impact parameter (b)
0.100
Transit mid-time (BJD)
2,454,967.2118
Angular separation (arcsec)
0.19000
Eq. Temperature
756K
(483 °C)
Insolation (S⊕)
62.24
Earth = 1.00
Earth Similarity (ESI)
0.380
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Discovery Paper
Primary reference
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-270
Spectral Class
F-type yellow-white
Effective Temperature
6,067 K — hotter than the Sun (5,778 K)
Estimated Age
2.73 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.461 R☉
Stellar Mass
1.170 M☉
Metallicity [Fe/H]
0.15
Extended Stellar Properties
Surface gravity (log g)
4.196 dex
Stellar density
0.630 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.025 mas
Total Proper Motion
2.799 mas/yr
PM Right Ascension
2.46 mas/yr
PM Declination
1.33 mas/yr
Galactic Cartesian (pc)
x = 0.151 · y = -0.698 · z = 0.700
Equatorial (J2000)
RA 282.20012° · Dec 44.42228°
Galactic ℓ, b
73.858° · 19.055°
Ecliptic λ, β
292.626° · 66.906°
HTM-20 index
-203506100
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