Key parameters at a glance
- A radius of 1.46 Earth radii
- A mass of 2.73 Earth masses
- Surface gravity around 1.28 g
- An orbital period of 1.411 days
- Semi-major axis 0.0221 AU
- Equilibrium temperature 1,164 K (891 °C)
- Distance from Earth 633.34 light-years
- Earth Similarity Index 0.255
- Travel time at Voyager 1 speed 11,168,884 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1019 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#819of 1176
top 69.6%
This planet
1.46R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1019 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.46 | 11.21 |
| Mass (M⊕) | 1.00 | 2.73 | 317.83 |
| Density (g/cm³) | 5.51 | 4.82 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.28 | 2.53 |
| Insolation (S⊕) | 1.00 | 330.25 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164556761
Gaia DR2
Gaia DR2 2107596978215473024
Gaia DR3
Gaia DR3 2107596978215473024
System
Kepler-1019
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.41 Earth days (0.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0221 AU.
Transit Fingerprint
Depth
0.040 %
Duration
1.391 h
Impact parameter b
0.812
Rp / R★
0.019962
Transit midpoint (BJD)
2,454,965.6423
Photometric dip
Transit produces a flux drop of 396 ppm lasting ≈ 1.39 h.
Extended Orbital Architecture
Planet / star radius ratio
0.019962
Semi-major axis / stellar radius
4.600
Impact parameter (b)
0.812
Transit mid-time (BJD)
2,454,965.6423
Angular separation (arcsec)
0.11400
Eq. Temperature
1,164K
(891 °C)
Insolation (S⊕)
330.25
Earth = 1.00
Earth Similarity (ESI)
0.255
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. Close-orbiting tidally-locked around a cool host.
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-1019
Spectral Class
K-type orange
Effective Temperature
4,433 K — cooler than the Sun (5,778 K)
Estimated Age
3.55 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.670 R☉
Stellar Mass
0.700 M☉
Metallicity [Fe/H]
0.01
Extended Stellar Properties
Surface gravity (log g)
4.640 dex
Stellar density
2.248 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
5.121 mas
Total Proper Motion
18.763 mas/yr
PM Right Ascension
3.83 mas/yr
PM Declination
-18.37 mas/yr
Galactic Cartesian (pc)
x = 0.161 · y = -0.660 · z = 0.734
Equatorial (J2000)
RA 283.71759° · Dec 47.20438°
Galactic ℓ, b
77.006° · 18.998°
Ecliptic λ, β
297.183° · 69.352°
HTM-20 index
-1025365551
Similar Worlds
Kepler-190 c
Super-Earth · K-type orange
Radius 1.46 R⊕ · 1,413.5 ly
Kepler-1039 b
Super-Earth · K-type orange
Radius 1.46 R⊕ · 1,001.0 ly
Kepler-808 b
Super-Earth · K-type orange
Radius 1.46 R⊕ · 1,047.0 ly
Kepler-1834 b
Super-Earth · K-type orange
Radius 1.46 R⊕ · 1,632.1 ly
TOI-1798.02
Super-Earth · K-type orange
Radius 1.46 R⊕ · 369.1 ly
Kepler-137 b
Super-Earth · K-type orange
Radius 1.47 R⊕ · 988.2 ly