Key parameters at a glance
- A radius of 1.94 Earth radii
- A mass of 4.43 Earth masses
- Surface gravity around 1.17 g
- An orbital period of 7.298 days
- Semi-major axis 0.0696 AU
- Equilibrium temperature 786 K (513 °C)
- Distance from Earth 3,362.05 light-years
- Earth Similarity Index 0.353
- Travel time at Voyager 1 speed 59,289,725 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-1600
Kepler-1600 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-1600 c this | Super-Earth | 1.94 | 4.43 | 7.298 | 786 | 2021 |
| Kepler-1600 b | Sub-Neptune | 3.13 | 9.96 | 386.371 | 209 | 2016 |
Kepler-1600 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#78of 1176
top 6.5%
This planet
1.94R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1600 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.94 | 11.21 |
| Mass (M⊕) | 1.00 | 4.43 | 317.83 |
| Density (g/cm³) | 5.51 | 3.32 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.17 | 2.53 |
| Insolation (S⊕) | 1.00 | 84.70 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 137151626
Gaia DR2
Gaia DR2 2052754540819149568
Gaia DR3
Gaia DR3 2052754540819149568
System
Kepler-1600
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.30 Earth days (2.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0696 AU.
Transit Fingerprint
Depth
0.037 %
Duration
3.024 h
Impact parameter b
0.411
Rp / R★
0.017565
Transit midpoint (BJD)
2,454,970.8567
Photometric dip
Transit produces a flux drop of 371 ppm lasting ≈ 3.02 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017565
Semi-major axis / stellar radius
14.580
Impact parameter (b)
0.411
Transit mid-time (BJD)
2,454,970.8567
Angular separation (arcsec)
0.06750
Eq. Temperature
786K
(513 °C)
Insolation (S⊕)
84.70
Earth = 1.00
Earth Similarity (ESI)
0.353
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. 2022Instrument
Kepler CCD Array
Publication
2022-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Kepler (12 shown).
Host System: Kepler-1600
Spectral Class
K-type orange
Effective Temperature
5,119 K — cooler than the Sun (5,778 K)
Estimated Age
6.92 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.834 R☉
Stellar Mass
0.818 M☉
Metallicity [Fe/H]
0.10
Extended Stellar Properties
Surface gravity (log g)
4.508 dex
Stellar density
1.801 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.942 mas
Total Proper Motion
4.004 mas/yr
PM Right Ascension
0.66 mas/yr
PM Declination
3.95 mas/yr
Galactic Cartesian (pc)
x = 0.284 · y = -0.726 · z = 0.626
Equatorial (J2000)
RA 291.39938° · Dec 38.78776°
Galactic ℓ, b
71.302° · 10.523°
Ecliptic λ, β
304.312° · 59.703°
HTM-20 index
2111467440
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