Key parameters at a glance
- A radius of 3.36 Earth radii
- A mass of 11.20 Earth masses
- Surface gravity around 0.99 g
- An orbital period of 29.969 days
- Semi-major axis 0.1969 AU
- Equilibrium temperature 644 K (371 °C)
- Distance from Earth 5,137.61 light-years
- Earth Similarity Index 0.349
- Travel time at Voyager 1 speed 90,601,735 years
1 sibling around Kepler-1165
Kepler-1165 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-1165 b | Super-Earth | 1.55 | 3.02 | 9.479 | 946 | 2016 |
| Kepler-1165 c this | Sub-Neptune | 3.36 | 11.20 | 29.969 | 644 | 2021 |
Kepler-1165 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#241of 1978
top 12.1%
This planet
3.36R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1165 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.36 | 11.21 |
| Mass (M⊕) | 1.00 | 11.20 | 317.83 |
| Density (g/cm³) | 5.51 | 1.62 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.99 | 2.53 |
| Insolation (S⊕) | 1.00 | 40.76 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 158326744
Gaia DR2
Gaia DR2 2106208363750121728
Gaia DR3
Gaia DR3 2106208363750121728
System
Kepler-1165
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 29.97 Earth days (8.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1969 AU.
Transit Fingerprint
Depth
0.031 %
Duration
6.710 h
Impact parameter b
0.777
Rp / R★
0.016909
Transit midpoint (BJD)
2,454,980.8605
Photometric dip
Transit produces a flux drop of 310 ppm lasting ≈ 6.71 h.
Extended Orbital Architecture
Planet / star radius ratio
0.016909
Semi-major axis / stellar radius
34.680
Impact parameter (b)
0.777
Transit mid-time (BJD)
2,454,980.8605
Angular separation (arcsec)
0.12500
Eq. Temperature
644K
(371 °C)
Insolation (S⊕)
40.76
Earth = 1.00
Earth Similarity (ESI)
0.349
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
Valizadegan et al. 2022Instrument
Kepler CCD Array
Publication
2022-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Kepler (12 shown).
Host System: Kepler-1165
Spectral Class
F-type yellow-white
Effective Temperature
6,249 K — hotter than the Sun (5,778 K)
Estimated Age
0.30 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.076 R☉
Stellar Mass
1.130 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.428 dex
Stellar density
0.790 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.606 mas
Total Proper Motion
3.461 mas/yr
PM Right Ascension
-2.66 mas/yr
PM Declination
-2.22 mas/yr
Galactic Cartesian (pc)
x = 0.207 · y = -0.680 · z = 0.703
Equatorial (J2000)
RA 286.97123° · Dec 44.70827°
Galactic ℓ, b
75.422° · 15.988°
Ecliptic λ, β
301.101° · 66.324°
HTM-20 index
-1901622934
Similar Worlds
Kepler-1510 b
Sub-Neptune · F-type yellow-white
Radius 3.36 R⊕ · 5,532.4 ly
Kepler-541 b
Sub-Neptune · F-type yellow-white
Radius 3.36 R⊕ · 3,459.5 ly
Kepler-340 c
Sub-Neptune · F-type yellow-white
Radius 3.37 R⊕ · 2,637.8 ly
Kepler-268 c
Sub-Neptune · F-type yellow-white
Radius 3.38 R⊕ · 2,778.4 ly
Kepler-275 c
Sub-Neptune · F-type yellow-white
Radius 3.38 R⊕ · 6,634.8 ly
Kepler-275 d
Sub-Neptune · F-type yellow-white
Radius 3.33 R⊕ · 6,634.8 ly