Key parameters at a glance
- A radius of 1.69 Earth radii
- A mass of 3.50 Earth masses
- Surface gravity around 1.23 g
- An orbital period of 8.128 days
- Semi-major axis 0.0810 AU
- Equilibrium temperature 875 K (602 °C)
- Distance from Earth 7,362.38 light-years
- Earth Similarity Index 0.331
- Travel time at Voyager 1 speed 129,835,646 years
1 sibling around Kepler-269
Kepler-269 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-269 b | Sub-Neptune | 2.47 | 6.66 | 5.327 | 1,007 | 2014 |
| Kepler-269 c this | Super-Earth | 1.69 | 3.50 | 8.128 | 875 | 2014 |
Kepler-269 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#415of 1176
top 35.2%
This planet
1.69R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-269 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.69 | 11.21 |
| Mass (M⊕) | 1.00 | 3.50 | 317.83 |
| Density (g/cm³) | 5.51 | 3.98 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.23 | 2.53 |
| Insolation (S⊕) | 1.00 | 342.60 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 122297877
Gaia DR2
Gaia DR2 2101854881822529024
Gaia DR3
Gaia DR3 2101854881822529024
System
Kepler-269
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 8.13 Earth days (2.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0810 AU.
Transit Fingerprint
Depth
0.022 %
Duration
3.899 h
Impact parameter b
0.610
Rp / R★
0.013795
Transit midpoint (BJD)
2,455,191.6881
Photometric dip
Transit produces a flux drop of 224 ppm lasting ≈ 3.90 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013795
Semi-major axis / stellar radius
7.120
Impact parameter (b)
0.610
Transit mid-time (BJD)
2,455,191.6881
Angular separation (arcsec)
0.03590
Eq. Temperature
875K
(602 °C)
Insolation (S⊕)
342.60
Earth = 1.00
Earth Similarity (ESI)
0.331
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-269
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,847 K — hotter than the Sun (5,778 K)
Estimated Age
6.46 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.959 R☉
Stellar Mass
0.920 M☉
Metallicity [Fe/H]
0.40
Extended Stellar Properties
Surface gravity (log g)
4.500 dex
Stellar density
0.320 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.413 mas
Total Proper Motion
4.366 mas/yr
PM Right Ascension
-2.91 mas/yr
PM Declination
3.25 mas/yr
Galactic Cartesian (pc)
x = 0.258 · y = -0.700 · z = 0.666
Equatorial (J2000)
RA 290.21515° · Dec 41.77598°
Galactic ℓ, b
73.645° · 12.639°
Ecliptic λ, β
304.346° · 62.825°
HTM-20 index
502754729
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