Key parameters at a glance
- A radius of 1.45 Earth radii
- A mass of 2.70 Earth masses
- Surface gravity around 1.28 g
- An orbital period of 8.487 days
- Semi-major axis 0.0860 AU
- Equilibrium temperature 1,060 K (787 °C)
- Distance from Earth 3,034.29 light-years
- Earth Similarity Index 0.283
- Travel time at Voyager 1 speed 53,509,781 years
1 sibling around Kepler-361
Kepler-361 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-361 b this | Super-Earth | 1.45 | 2.70 | 8.487 | 1,060 | 2014 |
| Kepler-361 c | Sub-Neptune | 2.52 | 6.90 | 55.188 | 568 | 2014 |
Kepler-361 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#837of 1176
top 71.1%
This planet
1.45R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-361 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.45 | 11.21 |
| Mass (M⊕) | 1.00 | 2.70 | 317.83 |
| Density (g/cm³) | 5.51 | 4.87 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.28 | 2.53 |
| Insolation (S⊕) | 1.00 | 411.91 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 272601590
Gaia DR2
Gaia DR2 2080340222407746816
Gaia DR3
Gaia DR3 2080340222407746816
System
Kepler-361
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 8.49 Earth days (2.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0860 AU.
Transit Fingerprint
Depth
0.012 %
Duration
5.176 h
Impact parameter b
0.270
Rp / R★
0.010044
Transit midpoint (BJD)
2,454,971.0173
Photometric dip
Transit produces a flux drop of 119 ppm lasting ≈ 5.18 h.
Extended Orbital Architecture
Planet / star radius ratio
0.010044
Semi-major axis / stellar radius
12.419
Impact parameter (b)
0.270
Transit mid-time (BJD)
2,454,971.0173
Angular separation (arcsec)
0.09240
Eq. Temperature
1,060K
(787 °C)
Insolation (S⊕)
411.91
Earth = 1.00
Earth Similarity (ESI)
0.283
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-361
Spectral Class
F-type yellow-white
Effective Temperature
6,169 K — hotter than the Sun (5,778 K)
Estimated Age
3.89 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.343 R☉
Stellar Mass
1.191 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.254 dex
Stellar density
0.380 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.046 mas
Total Proper Motion
15.757 mas/yr
PM Right Ascension
-7.63 mas/yr
PM Declination
-13.78 mas/yr
Galactic Cartesian (pc)
x = 0.309 · y = -0.612 · z = 0.728
Equatorial (J2000)
RA 296.80341° · Dec 46.74110°
Galactic ℓ, b
80.338° · 10.667°
Ecliptic λ, β
318.694° · 65.710°
HTM-20 index
-2126824479
Similar Worlds
Kepler-355 b
Super-Earth · F-type yellow-white
Radius 1.46 R⊕ · 4,671.1 ly
Kepler-402 e
Super-Earth · F-type yellow-white
Radius 1.46 R⊕ · 2,039.6 ly
Kepler-366 b
Super-Earth · F-type yellow-white
Radius 1.46 R⊕ · 6,054.4 ly
Kepler-168 b
Super-Earth · F-type yellow-white
Radius 1.46 R⊕ · 4,382.2 ly
Kepler-1622 b
Super-Earth · F-type yellow-white
Radius 1.47 R⊕ · 2,597.8 ly
Kepler-909 b
Super-Earth · F-type yellow-white
Radius 1.47 R⊕ · 1,009.8 ly