Key parameters at a glance
- A radius of 1.67 Earth radii
- A mass of 3.43 Earth masses
- Surface gravity around 1.23 g
- An orbital period of 6.503 days
- Semi-major axis 0.0634 AU
- Equilibrium temperature 804 K (531 °C)
- Distance from Earth 3,139.12 light-years
- Earth Similarity Index 0.363
- Travel time at Voyager 1 speed 55,358,339 years
- Almost certainly tidally locked to its host star given the close orbit
2 siblings around Kepler-763
Kepler-763 d 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-763 b | Rocky Terrestrial | 1.22 | 1.98 | 1.197 | 1,414 | 2016 |
| Kepler-763 c | Super-Earth | 1.42 | 2.60 | 4.097 | 938 | 2023 |
| Kepler-763 d this | Super-Earth | 1.67 | 3.43 | 6.503 | 804 | 2023 |
Kepler-763 d Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#452of 1176
top 38.4%
This planet
1.67R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-763 d | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.67 | 11.21 |
| Mass (M⊕) | 1.00 | 3.43 | 317.83 |
| Density (g/cm³) | 5.51 | 4.05 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.23 | 2.53 |
| Insolation (S⊕) | 1.00 | 98.81 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 63130782
Gaia DR2
Gaia DR2 2128369501647063808
Gaia DR3
Gaia DR3 2128369501647063808
System
Kepler-763
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.50 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0634 AU.
Transit Fingerprint
Depth
0.042 %
Duration
2.591 h
Impact parameter b
0.080
Rp / R★
0.018135
Transit midpoint (BJD)
2,454,968.2666
Photometric dip
Transit produces a flux drop of 418 ppm lasting ≈ 2.59 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018135
Semi-major axis / stellar radius
19.470
Impact parameter (b)
0.080
Transit mid-time (BJD)
2,454,968.2666
Angular separation (arcsec)
0.06590
Eq. Temperature
804K
(531 °C)
Insolation (S⊕)
98.81
Earth = 1.00
Earth Similarity (ESI)
0.363
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-763
Spectral Class
K-type orange
Effective Temperature
4,999 K — cooler than the Sun (5,778 K)
Estimated Age
2.10 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.843 R☉
Stellar Mass
0.800 M☉
Metallicity [Fe/H]
0.18
Extended Stellar Properties
Surface gravity (log g)
4.490 dex
Stellar density
3.303 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.011 mas
Total Proper Motion
9.264 mas/yr
PM Right Ascension
7.28 mas/yr
PM Declination
5.73 mas/yr
Galactic Cartesian (pc)
x = 0.256 · y = -0.630 · z = 0.733
Equatorial (J2000)
RA 292.14455° · Dec 47.15736°
Galactic ℓ, b
79.246° · 13.692°
Ecliptic λ, β
311.844° · 67.406°
HTM-20 index
-89822047
Similar Worlds
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Super-Earth · K-type orange
Radius 1.67 R⊕ · 1,633.7 ly
HD 3167 b
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Kepler-1143 b
Super-Earth · K-type orange
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Kepler-1802 b
Super-Earth · K-type orange
Radius 1.67 R⊕ · 2,076.6 ly
Kepler-167 c
Super-Earth · K-type orange
Radius 1.67 R⊕ · 1,115.2 ly
TOI-871 b
Super-Earth · K-type orange
Radius 1.66 R⊕ · 221.9 ly