Key parameters at a glance
- A radius of 2.69 Earth radii
- A mass of 7.70 Earth masses
- Surface gravity around 1.06 g
- An orbital period of 13.249 days
- Semi-major axis 0.1125 AU
- Equilibrium temperature 806 K (533 °C)
- Distance from Earth 2,667.96 light-years
- Earth Similarity Index 0.305
- Travel time at Voyager 1 speed 47,049,460 years
Kepler-545 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#881of 1978
top 44.5%
This planet
2.69R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-545 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.69 | 11.21 |
| Mass (M⊕) | 1.00 | 7.70 | 317.83 |
| Density (g/cm³) | 5.51 | 2.17 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.06 | 2.53 |
| Insolation (S⊕) | 1.00 | 101.14 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 122446089
Gaia DR2
Gaia DR2 2101191326556650368
Gaia DR3
Gaia DR3 2101191326556650368
System
Kepler-545
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.25 Earth days (3.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1125 AU.
Transit Fingerprint
Depth
0.065 %
Duration
4.463 h
Impact parameter b
0.350
Rp / R★
0.023423
Transit midpoint (BJD)
2,455,012.5208
Photometric dip
Transit produces a flux drop of 648 ppm lasting ≈ 4.46 h.
Extended Orbital Architecture
Planet / star radius ratio
0.023423
Semi-major axis / stellar radius
21.820
Impact parameter (b)
0.350
Transit mid-time (BJD)
2,455,012.5208
Angular separation (arcsec)
0.13800
Eq. Temperature
806K
(533 °C)
Insolation (S⊕)
101.14
Earth = 1.00
Earth Similarity (ESI)
0.305
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
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-545
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,882 K — hotter than the Sun (5,778 K)
Estimated Age
4.47 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.070 R☉
Stellar Mass
1.040 M☉
Metallicity [Fe/H]
0.03
Extended Stellar Properties
Surface gravity (log g)
4.390 dex
Stellar density
0.960 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.194 mas
Total Proper Motion
4.139 mas/yr
PM Right Ascension
1.92 mas/yr
PM Declination
3.66 mas/yr
Galactic Cartesian (pc)
x = 0.266 · y = -0.710 · z = 0.652
Equatorial (J2000)
RA 290.56632° · Dec 40.69208°
Galactic ℓ, b
72.759° · 11.935°
Ecliptic λ, β
304.193° · 61.712°
HTM-20 index
-1072384895
Similar Worlds
K2-181 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 1,177.1 ly
Kepler-671 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 3,810.4 ly
Kepler-1369 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 4,033.1 ly
Kepler-512 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 1,524.4 ly
Kepler-1045 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 3,074.0 ly
HD 63433 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 2.69 R⊕ · 73.1 ly