Key parameters at a glance
- A radius of 12.40 Earth radii
- A mass of 3,750.39 Earth masses
- Surface gravity around 24.39 g
- An orbital period of 840.000 days
- Distance from Earth 4,510.38 light-years
- Earth Similarity Index 0.361
- Travel time at Voyager 1 speed 79,540,524 years
KIC 7917485 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1298of 1771
top 73.2%
This planet
12.40R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | KIC 7917485 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.40 | 11.21 |
| Mass (M⊕) | 1.00 | 3,750.39 | 317.83 |
| Density (g/cm³) | 5.51 | 10.80 | 1.33 |
| Surface Gravity (g) | 1.00 | 24.39 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 3,750.394 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 268924604
Gaia DR2
Gaia DR2 2075978592919858432
Gaia DR3
Gaia DR3 2075978592919858432
System
KIC 7917485
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 2.30 Earth years on a mildly elliptical path.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.361
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Murphy et al. 2016Instrument
Kepler CCD Array
Publication
2016-08
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: KIC 7917485
Spectral Class
A-type white
Effective Temperature
7,067 K — hotter than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
2.010 R☉
Stellar Mass
1.630 M☉
Metallicity [Fe/H]
-0.02
Extended Stellar Properties
Surface gravity (log g)
4.000 dex
Stellar density
0.232 g/cm³
Rotational v·sin i
120.00 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.695 mas
Total Proper Motion
6.516 mas/yr
PM Right Ascension
2.41 mas/yr
PM Declination
-6.06 mas/yr
Galactic Cartesian (pc)
x = 0.356 · y = -0.630 · z = 0.690
Equatorial (J2000)
RA 299.43461° · Dec 43.63261°
Galactic ℓ, b
78.527° · 7.521°
Ecliptic λ, β
319.489° · 62.108°
HTM-20 index
1866502090
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