Key parameters at a glance
- A radius of 2.66 Earth radii
- A mass of 7.56 Earth masses
- Surface gravity around 1.07 g
- An orbital period of 9.977 days
- Semi-major axis 0.0849 AU
- Equilibrium temperature 802 K (529 °C)
- Distance from Earth 2,516.27 light-years
- Earth Similarity Index 0.308
- Travel time at Voyager 1 speed 44,374,489 years
1 sibling around Kepler-963
Kepler-963 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-963 c | Rocky Terrestrial | 0.60 | 0.16 | 0.920 | — | 2024 |
| Kepler-963 b this | Sub-Neptune | 2.66 | 7.56 | 9.977 | 802 | 2016 |
Kepler-963 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#928of 1978
top 46.9%
This planet
2.66R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-963 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.66 | 11.21 |
| Mass (M⊕) | 1.00 | 7.56 | 317.83 |
| Density (g/cm³) | 5.51 | 2.21 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.07 | 2.53 |
| Insolation (S⊕) | 1.00 | 83.49 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 272605867
Gaia DR2
Gaia DR2 2079728790863754752
Gaia DR3
Gaia DR3 2079728790863754752
System
Kepler-963
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.98 Earth days (2.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0849 AU.
Transit Fingerprint
Depth
0.099 %
Duration
3.419 h
Impact parameter b
0.899
Rp / R★
0.028470
Transit midpoint (BJD)
2,454,964.7667
Photometric dip
Transit produces a flux drop of 992 ppm lasting ≈ 3.42 h.
Extended Orbital Architecture
Planet / star radius ratio
0.028470
Semi-major axis / stellar radius
22.824
Impact parameter (b)
0.899
Transit mid-time (BJD)
2,454,964.7667
Angular separation (arcsec)
0.11000
Eq. Temperature
802K
(529 °C)
Insolation (S⊕)
83.49
Earth = 1.00
Earth Similarity (ESI)
0.308
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
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-963
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,461 K — cooler than the Sun (5,778 K)
Estimated Age
4.07 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.870 R☉
Stellar Mass
0.910 M☉
Metallicity [Fe/H]
-0.02
Extended Stellar Properties
Surface gravity (log g)
4.520 dex
Stellar density
2.260 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.268 mas
Total Proper Motion
2.639 mas/yr
PM Right Ascension
0.39 mas/yr
PM Declination
-2.61 mas/yr
Galactic Cartesian (pc)
x = 0.318 · y = -0.631 · z = 0.708
Equatorial (J2000)
RA 296.75297° · Dec 45.04110°
Galactic ℓ, b
78.804° · 9.884°
Ecliptic λ, β
316.918° · 64.185°
HTM-20 index
-1919778198
Similar Worlds
Kepler-664 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.66 R⊕ · 3,946.9 ly
Kepler-1102 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.66 R⊕ · 4,064.1 ly
Kepler-218 d
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.66 R⊕ · 2,140.8 ly
Kepler-1642 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.66 R⊕ · 1,349.9 ly
TOI-1279 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.66 R⊕ · 349.2 ly
Kepler-1924 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.65 R⊕ · 6,232.1 ly