Key parameters at a glance
- A radius of 3.73 Earth radii
- A mass of 13.40 Earth masses
- Surface gravity around 0.96 g
- An orbital period of 3.609 days
- Semi-major axis 0.0455 AU
- Equilibrium temperature 1,092 K (819 °C)
- Distance from Earth 3,661.04 light-years
- Earth Similarity Index 0.193
- Travel time at Voyager 1 speed 64,562,364 years
1 sibling around Kepler-1065
Kepler-1065 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-1065 c | Super-Earth | 1.60 | 3.19 | 2.370 | 1,256 | 2016 |
| Kepler-1065 b this | Sub-Neptune | 3.73 | 13.40 | 3.609 | 1,092 | 2016 |
Kepler-1065 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#79of 1978
top 3.9%
This planet
3.73R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1065 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.73 | 11.21 |
| Mass (M⊕) | 1.00 | 13.40 | 317.83 |
| Density (g/cm³) | 5.51 | 1.42 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.96 | 2.53 |
| Insolation (S⊕) | 1.00 | 419.91 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 378012771
Gaia DR2
Gaia DR2 2052203273182353920
Gaia DR3
Gaia DR3 2052203273182353920
System
Kepler-1065
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.61 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0455 AU.
Transit Fingerprint
Depth
0.158 %
Duration
1.745 h
Impact parameter b
0.400
Rp / R★
0.036633
Transit midpoint (BJD)
2,454,966.7915
Photometric dip
Transit produces a flux drop of 1,583 ppm lasting ≈ 1.74 h.
Extended Orbital Architecture
Planet / star radius ratio
0.036633
Semi-major axis / stellar radius
15.460
Impact parameter (b)
0.400
Transit mid-time (BJD)
2,454,966.7915
Angular separation (arcsec)
0.04050
Eq. Temperature
1,092K
(819 °C)
Insolation (S⊕)
419.91
Earth = 1.00
Earth Similarity (ESI)
0.193
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-1065
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,635 K — cooler than the Sun (5,778 K)
Estimated Age
4.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.930 R☉
Stellar Mass
0.940 M☉
Metallicity [Fe/H]
-0.01
Extended Stellar Properties
Surface gravity (log g)
4.490 dex
Stellar density
2.645 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.864 mas
Total Proper Motion
2.420 mas/yr
PM Right Ascension
-0.39 mas/yr
PM Declination
-2.39 mas/yr
Galactic Cartesian (pc)
x = 0.323 · y = -0.709 · z = 0.626
Equatorial (J2000)
RA 294.51132° · Dec 38.79046°
Galactic ℓ, b
72.434° · 8.370°
Ecliptic λ, β
308.846° · 58.968°
HTM-20 index
-2110424922
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