Key parameters at a glance
- A radius of 1.50 Earth radii
- A mass of 2.86 Earth masses
- Surface gravity around 1.27 g
- An orbital period of 13.817 days
- Semi-major axis 0.1090 AU
- Equilibrium temperature 781 K (508 °C)
- Distance from Earth 2,268.90 light-years
- Earth Similarity Index 0.387
- Travel time at Voyager 1 speed 40,012,124 years
1 sibling around Kepler-180
Kepler-180 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-180 b this | Super-Earth | 1.50 | 2.86 | 13.817 | 781 | 2014 |
| Kepler-180 c | Sub-Neptune | 3.01 | 9.32 | 41.886 | 540 | 2014 |
Kepler-180 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#748of 1176
top 63.5%
This planet
1.50R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-180 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.50 | 11.21 |
| Mass (M⊕) | 1.00 | 2.86 | 317.83 |
| Density (g/cm³) | 5.51 | 4.66 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.27 | 2.53 |
| Insolation (S⊕) | 1.00 | 72.12 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 27532033
Gaia DR2
Gaia DR2 2134933208106983168
Gaia DR3
Gaia DR3 2134933208106983168
System
Kepler-180
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.82 Earth days (3.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1090 AU.
Transit Fingerprint
Depth
0.022 %
Duration
3.740 h
Impact parameter b
0.180
Rp / R★
0.013446
Transit midpoint (BJD)
2,454,968.0403
Photometric dip
Transit produces a flux drop of 219 ppm lasting ≈ 3.74 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013446
Semi-major axis / stellar radius
25.400
Impact parameter (b)
0.180
Transit mid-time (BJD)
2,454,968.0403
Angular separation (arcsec)
0.15700
Eq. Temperature
781K
(508 °C)
Insolation (S⊕)
72.12
Earth = 1.00
Earth Similarity (ESI)
0.387
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
Rowe et al. 2014Instrument
Kepler CCD Array
Publication
2014-03
Observation locale
Space
Discovery cohort
Planets confirmed in 2014 at Kepler (12 shown).
Host System: Kepler-180
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,731 K — cooler than the Sun (5,778 K)
Estimated Age
9.70 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.063 R☉
Stellar Mass
0.950 M☉
Metallicity [Fe/H]
0.03
Extended Stellar Properties
Surface gravity (log g)
4.343 dex
Stellar density
1.663 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.409 mas
Total Proper Motion
13.732 mas/yr
PM Right Ascension
-7.55 mas/yr
PM Declination
-11.47 mas/yr
Galactic Cartesian (pc)
x = 0.279 · y = -0.583 · z = 0.764
Equatorial (J2000)
RA 295.57126° · Dec 49.77451°
Galactic ℓ, b
82.688° · 12.807°
Ecliptic λ, β
320.376° · 68.785°
HTM-20 index
-295042808
Similar Worlds
Kepler-207 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,855.6 ly
Kepler-154 e
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,985.0 ly
Kepler-598 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,221.4 ly
Kepler-246 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,042.0 ly
Kepler-273 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,328.6 ly
Kepler-154 f
Super-Earth · G-type yellow (Sun-like)
Radius 1.50 R⊕ · 2,985.0 ly