Key parameters at a glance
- A radius of 2.07 Earth radii
- A mass of 4.94 Earth masses
- Surface gravity around 1.15 g
- An orbital period of 34.173 days
- Semi-major axis 0.1973 AU
- Equilibrium temperature 465 K (192 °C)
- Distance from Earth 1,273.16 light-years
- Earth Similarity Index 0.567
- Travel time at Voyager 1 speed 22,452,228 years
1 sibling around Kepler-969
Kepler-969 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-969 c | Rocky Terrestrial | 0.99 | 0.94 | 1.683 | 1,270 | 2016 |
| Kepler-969 b this | Sub-Neptune | 2.07 | 4.94 | 34.173 | 465 | 2016 |
Kepler-969 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1860of 1978
top 94.0%
This planet
2.07R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-969 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.07 | 11.21 |
| Mass (M⊕) | 1.00 | 4.94 | 317.83 |
| Density (g/cm³) | 5.51 | 3.06 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.15 | 2.53 |
| Insolation (S⊕) | 1.00 | 10.17 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158785055
Gaia DR2
Gaia DR2 2130979570450326912
Gaia DR3
Gaia DR3 2130979570450326912
System
Kepler-969
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 34.17 Earth days (9.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1973 AU.
Transit Fingerprint
Depth
0.063 %
Duration
4.475 h
Impact parameter b
0.711
Rp / R★
0.022614
Transit midpoint (BJD)
2,454,970.7914
Photometric dip
Transit produces a flux drop of 631 ppm lasting ≈ 4.48 h.
Extended Orbital Architecture
Planet / star radius ratio
0.022614
Semi-major axis / stellar radius
58.490
Impact parameter (b)
0.711
Transit mid-time (BJD)
2,454,970.7914
Angular separation (arcsec)
0.50500
Eq. Temperature
465K
(192 °C)
Insolation (S⊕)
10.17
Earth = 1.00
Earth Similarity (ESI)
0.567
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
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-969
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,214 K — cooler than the Sun (5,778 K)
Estimated Age
1.51 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.820 R☉
Stellar Mass
0.920 M☉
Metallicity [Fe/H]
0.22
Extended Stellar Properties
Surface gravity (log g)
4.570 dex
Stellar density
1.750 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.533 mas
Total Proper Motion
2.396 mas/yr
PM Right Ascension
1.90 mas/yr
PM Declination
1.46 mas/yr
Galactic Cartesian (pc)
x = 0.211 · y = -0.636 · z = 0.742
Equatorial (J2000)
RA 288.37250° · Dec 47.93356°
Galactic ℓ, b
78.910° · 16.333°
Ecliptic λ, β
306.240° · 69.072°
HTM-20 index
-801433531
Similar Worlds
Kepler-1092 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 3,200.4 ly
K2-64 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 1,630.4 ly
Kepler-654 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 3,177.2 ly
Kepler-477 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 1,197.0 ly
Kepler-1606 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 2,711.3 ly
Kepler-1679 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.07 R⊕ · 2,965.7 ly