Key parameters at a glance
- A radius of 12.33 Earth radii
- An orbital period of 6.492 days
- Semi-major axis 0.0694 AU
- Equilibrium temperature 1,219 K (946 °C)
- Distance from Earth 6,311.25 light-years
- Earth Similarity Index 0.040
- Travel time at Voyager 1 speed 111,298,871 years
1 sibling around Kepler-730
Kepler-730 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-730 c | Super-Earth | 1.57 | 3.09 | 2.852 | 1,607 | 2018 |
| Kepler-730 b this | Gas Giant | 12.33 | — | 6.492 | 1,219 | 2016 |
Kepler-730 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1341of 1771
top 75.7%
This planet
12.33R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | Kepler-730 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.33 | 11.21 |
| Mass (M⊕) | 1.00 | — | 317.83 |
| Density (g/cm³) | 5.51 | — | 1.33 |
| Surface Gravity (g) | 1.00 | — | 2.53 |
| Insolation (S⊕) | 1.00 | 418.80 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 352013543
Gaia DR2
Gaia DR2 2106412082639238400
Gaia DR3
Gaia DR3 2106412082639238400
System
Kepler-730
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.49 Earth days (1.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0694 AU.
Transit Fingerprint
Depth
0.716 %
Duration
4.330 h
Impact parameter b
0.561
Rp / R★
0.080130
Transit midpoint (BJD)
2,455,007.6336
Photometric dip
Transit produces a flux drop of 7,163 ppm lasting ≈ 4.33 h.
Extended Orbital Architecture
Planet / star radius ratio
0.080130
Semi-major axis / stellar radius
10.600
Impact parameter (b)
0.561
Transit mid-time (BJD)
2,455,007.6336
Angular separation (arcsec)
0.03590
Eq. Temperature
1,219K
(946 °C)
Insolation (S⊕)
418.80
Earth = 1.00
Earth Similarity (ESI)
0.040
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-730
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,620 K — cooler than the Sun (5,778 K)
Estimated Age
9.50 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.411 R☉
Stellar Mass
1.047 M☉
Metallicity [Fe/H]
0.21
Extended Stellar Properties
Surface gravity (log g)
4.162 dex
Stellar density
0.529 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.487 mas
Total Proper Motion
5.483 mas/yr
PM Right Ascension
-5.28 mas/yr
PM Declination
-1.49 mas/yr
Galactic Cartesian (pc)
x = 0.188 · y = -0.674 · z = 0.714
Equatorial (J2000)
RA 285.55479° · Dec 45.57884°
Galactic ℓ, b
75.874° · 17.240°
Ecliptic λ, β
299.290° · 67.443°
HTM-20 index
-1220281494
Similar Worlds
WASP-41 b
Gas Giant · G-type yellow (Sun-like)
Radius 12.33 R⊕ · 532.8 ly
WASP-44 b
Gas Giant · G-type yellow (Sun-like)
Radius 12.33 R⊕ · 1,188.9 ly
NGTS-15 b
Gas Giant · G-type yellow (Sun-like)
Radius 12.33 R⊕ · 2,565.2 ly
TOI-4961 b
Gas Giant · G-type yellow (Sun-like)
Radius 12.34 R⊕ · 695.0 ly
Kepler-30 c
Gas Giant · G-type yellow (Sun-like)
Radius 12.30 R⊕ · 2,981.8 ly
HAT-P-13 c
Gas Giant · G-type yellow (Sun-like)
Radius 12.30 R⊕ · 805.0 ly