Key parameters at a glance
- A radius of 2.18 Earth radii
- A mass of 5.39 Earth masses
- Surface gravity around 1.13 g
- An orbital period of 1.955 days
- Semi-major axis 0.0304 AU
- Equilibrium temperature 1,540 K (1267 °C)
- Distance from Earth 4,575.38 light-years
- Earth Similarity Index 0.162
- Travel time at Voyager 1 speed 80,686,850 years
1 sibling around Kepler-1016
Kepler-1016 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-1016 b this | Sub-Neptune | 2.18 | 5.39 | 1.955 | 1,540 | 2016 |
| Kepler-1016 c | Sub-Neptune | 3.68 | 13.10 | 105.655 | 407 | 2016 |
Kepler-1016 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1703of 1978
top 86.0%
This planet
2.18R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1016 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.18 | 11.21 |
| Mass (M⊕) | 1.00 | 5.39 | 317.83 |
| Density (g/cm³) | 5.51 | 2.86 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.13 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,445.20 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 271164596
Gaia DR2
Gaia DR2 2080061393129929088
Gaia DR3
Gaia DR3 2080061393129929088
System
Kepler-1016
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.95 Earth days (0.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0304 AU.
Transit Fingerprint
Depth
0.039 %
Duration
2.096 h
Impact parameter b
0.720
Rp / R★
0.020350
Transit midpoint (BJD)
2,454,965.2972
Photometric dip
Transit produces a flux drop of 393 ppm lasting ≈ 2.10 h.
Extended Orbital Architecture
Planet / star radius ratio
0.020350
Semi-major axis / stellar radius
5.200
Impact parameter (b)
0.720
Transit mid-time (BJD)
2,454,965.2972
Angular separation (arcsec)
0.02170
Eq. Temperature
1,540K
(1267 °C)
Insolation (S⊕)
1,445.20
Earth = 1.00
Earth Similarity (ESI)
0.162
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-1016
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,821 K — hotter than the Sun (5,778 K)
Estimated Age
3.89 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.000 R☉
Stellar Mass
0.990 M☉
Metallicity [Fe/H]
-0.03
Extended Stellar Properties
Surface gravity (log g)
4.440 dex
Stellar density
0.720 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.685 mas
Total Proper Motion
2.610 mas/yr
PM Right Ascension
2.33 mas/yr
PM Declination
1.18 mas/yr
Galactic Cartesian (pc)
x = 0.289 · y = -0.632 · z = 0.719
Equatorial (J2000)
RA 294.61369° · Dec 45.98463°
Galactic ℓ, b
78.937° · 11.651°
Ecliptic λ, β
314.591° · 65.657°
HTM-20 index
-1266075439
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Kepler-1742 b
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