Key parameters at a glance
- A radius of 3.86 Earth radii
- A mass of 14.20 Earth masses
- Surface gravity around 0.95 g
- An orbital period of 5.939 days
- Semi-major axis 0.0699 AU
- Equilibrium temperature 1,357 K (1084 °C)
- Distance from Earth 3,234.22 light-years
- Earth Similarity Index 0.149
- Travel time at Voyager 1 speed 57,035,495 years
1 sibling around Kepler-913
Kepler-913 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-913 c this | Sub-Neptune | 3.86 | 14.20 | 5.939 | 1,357 | 2021 |
| Kepler-913 b | Sub-Neptune | 2.06 | 4.90 | 10.297 | 1,129 | 2016 |
Kepler-913 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#43of 1978
top 2.1%
This planet
3.86R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-913 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.86 | 11.21 |
| Mass (M⊕) | 1.00 | 14.20 | 317.83 |
| Density (g/cm³) | 5.51 | 1.36 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.95 | 2.53 |
| Insolation (S⊕) | 1.00 | 122.82 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 169465273
Gaia DR2
Gaia DR2 2076924314661348736
Gaia DR3
Gaia DR3 2076924314661348736
System
Kepler-913
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.94 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0699 AU.
Transit Fingerprint
Depth
0.042 %
Duration
2.236 h
Impact parameter b
0.107
Rp / R★
0.018858
Transit midpoint (BJD)
2,455,186.7540
Photometric dip
Transit produces a flux drop of 425 ppm lasting ≈ 2.24 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018858
Semi-major axis / stellar radius
20.130
Impact parameter (b)
0.107
Transit mid-time (BJD)
2,455,186.7540
Angular separation (arcsec)
0.07050
Eq. Temperature
1,357K
(1084 °C)
Insolation (S⊕)
122.82
Earth = 1.00
Earth Similarity (ESI)
0.149
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-913
Spectral Class
F-type yellow-white
Effective Temperature
6,068 K — hotter than the Sun (5,778 K)
Estimated Age
5.62 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.797 R☉
Stellar Mass
1.294 M☉
Metallicity [Fe/H]
0.16
Extended Stellar Properties
Surface gravity (log g)
4.040 dex
Stellar density
4.375 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.981 mas
Total Proper Motion
12.057 mas/yr
PM Right Ascension
-7.68 mas/yr
PM Declination
-9.29 mas/yr
Galactic Cartesian (pc)
x = 0.344 · y = -0.659 · z = 0.669
Equatorial (J2000)
RA 297.58306° · Dec 41.95235°
Galactic ℓ, b
76.373° · 7.852°
Ecliptic λ, β
315.457° · 61.110°
HTM-20 index
-887397815
Similar Worlds
TOI-5126 c
Sub-Neptune · F-type yellow-white
Radius 3.86 R⊕ · 523.2 ly
Kepler-1736 b
Sub-Neptune · F-type yellow-white
Radius 3.88 R⊕ · 4,664.0 ly
DMPP-9 b
Sub-Neptune · F-type yellow-white
Radius 3.89 R⊕ · 357.3 ly
K2-63 c
Sub-Neptune · F-type yellow-white
Radius 3.90 R⊕ · 1,688.0 ly
Kepler-31 d
Sub-Neptune · F-type yellow-white
Radius 3.90 R⊕ · 5,429.3 ly
Kepler-1819 b
Sub-Neptune · F-type yellow-white
Radius 3.90 R⊕ · 4,446.1 ly