Key parameters at a glance
- A radius of 3.16 Earth radii
- A mass of 10.10 Earth masses
- Surface gravity around 1.01 g
- An orbital period of 5.404 days
- Semi-major axis 0.0601 AU
- Equilibrium temperature 1,073 K (800 °C)
- Distance from Earth 2,937.62 light-years
- Earth Similarity Index 0.211
- Travel time at Voyager 1 speed 51,804,844 years
2 siblings around Kepler-619
Kepler-619 b shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-619 c | Super-Earth | 1.69 | 3.50 | 1.208 | 1,767 | 2016 |
| Kepler-619 b this | Sub-Neptune | 3.16 | 10.10 | 5.404 | 1,073 | 2016 |
| Kepler-619 d | Neptune-like | 4.17 | 16.20 | 11.679 | 830 | 2023 |
Kepler-619 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#387of 1978
top 19.5%
This planet
3.16R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-619 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.16 | 11.21 |
| Mass (M⊕) | 1.00 | 10.10 | 317.83 |
| Density (g/cm³) | 5.51 | 1.76 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.01 | 2.53 |
| Insolation (S⊕) | 1.00 | 224.15 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 417659212
Gaia DR2
Gaia DR2 2129503235571760128
Gaia DR3
Gaia DR3 2129503235571760128
System
Kepler-619
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.40 Earth days (1.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0601 AU.
Transit Fingerprint
Depth
0.077 %
Duration
2.475 h
Impact parameter b
0.760
Rp / R★
0.025527
Transit midpoint (BJD)
2,455,005.1855
Photometric dip
Transit produces a flux drop of 770 ppm lasting ≈ 2.47 h.
Extended Orbital Architecture
Planet / star radius ratio
0.025527
Semi-major axis / stellar radius
16.907
Impact parameter (b)
0.760
Transit mid-time (BJD)
2,455,005.1855
Angular separation (arcsec)
0.06680
Eq. Temperature
1,073K
(800 °C)
Insolation (S⊕)
224.15
Earth = 1.00
Earth Similarity (ESI)
0.211
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-619
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,980 K — hotter than the Sun (5,778 K)
Estimated Age
3.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.110 R☉
Stellar Mass
1.090 M☉
Metallicity [Fe/H]
0.05
Extended Stellar Properties
Surface gravity (log g)
4.380 dex
Stellar density
1.320 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.082 mas
Total Proper Motion
8.114 mas/yr
PM Right Ascension
-0.18 mas/yr
PM Declination
-8.11 mas/yr
Galactic Cartesian (pc)
x = 0.236 · y = -0.620 · z = 0.748
Equatorial (J2000)
RA 290.84909° · Dec 48.41598°
Galactic ℓ, b
80.050° · 15.009°
Ecliptic λ, β
311.017° · 68.905°
HTM-20 index
-395346124
Similar Worlds
HD 134060 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.16 R⊕ · 78.3 ly
Kepler-222 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.16 R⊕ · 2,475.0 ly
Kepler-569 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.16 R⊕ · 2,081.9 ly
Kepler-1786 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.16 R⊕ · 2,817.7 ly
Kepler-1001 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.15 R⊕ · 3,029.9 ly
Kepler-896 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.15 R⊕ · 7,615.5 ly