Key parameters at a glance
- A radius of 2.76 Earth radii
- A mass of 8.05 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 39.677 days
- Semi-major axis 0.2151 AU
- Equilibrium temperature 473 K (200 °C)
- Distance from Earth 1,693.15 light-years
- Earth Similarity Index 0.501
- Travel time at Voyager 1 speed 29,858,655 years
1 sibling around Kepler-607
Kepler-607 c 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-607 b | Rocky Terrestrial | 0.87 | 0.59 | 0.638 | 1,874 | 2016 |
| Kepler-607 c this | Sub-Neptune | 2.76 | 8.05 | 39.677 | 473 | 2021 |
Kepler-607 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#793of 1978
top 40.0%
This planet
2.76R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-607 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.76 | 11.21 |
| Mass (M⊕) | 1.00 | 8.05 | 317.83 |
| Density (g/cm³) | 5.51 | 2.10 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 8.80 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 159579593
Gaia DR2
Gaia DR2 2126248505058677120
Gaia DR3
Gaia DR3 2126248505058677120
System
Kepler-607
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 39.68 Earth days (10.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.2151 AU.
Transit Fingerprint
Depth
0.061 %
Duration
5.040 h
Impact parameter b
0.940
Rp / R★
0.023657
Transit midpoint (BJD)
2,455,011.5556
Photometric dip
Transit produces a flux drop of 611 ppm lasting ≈ 5.04 h.
Extended Orbital Architecture
Planet / star radius ratio
0.023657
Semi-major axis / stellar radius
20.700
Impact parameter (b)
0.940
Transit mid-time (BJD)
2,455,011.5556
Angular separation (arcsec)
0.41400
Eq. Temperature
473K
(200 °C)
Insolation (S⊕)
8.80
Earth = 1.00
Earth Similarity (ESI)
0.501
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
Valizadegan et al. 2022Instrument
Kepler CCD Array
Publication
2022-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Kepler (12 shown).
Host System: Kepler-607
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,244 K — cooler than the Sun (5,778 K)
Estimated Age
7.76 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.888 R☉
Stellar Mass
0.808 M☉
Metallicity [Fe/H]
0.02
Extended Stellar Properties
Surface gravity (log g)
4.449 dex
Stellar density
1.335 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.898 mas
Total Proper Motion
18.002 mas/yr
PM Right Ascension
-4.57 mas/yr
PM Declination
-17.41 mas/yr
Galactic Cartesian (pc)
x = 0.256 · y = -0.664 · z = 0.703
Equatorial (J2000)
RA 291.05715° · Dec 44.63231°
Galactic ℓ, b
76.565° · 13.300°
Ecliptic λ, β
307.778° · 65.333°
HTM-20 index
772358359
Similar Worlds
Kepler-1458 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 1,775.8 ly
Kepler-244 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 3,380.6 ly
Kepler-172 e
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 2,702.5 ly
Kepler-819 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 2,166.7 ly
Kepler-1944 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 3,511.0 ly
Kepler-449 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.76 R⊕ · 789.1 ly