Key parameters at a glance
- A radius of 1.69 Earth radii
- A mass of 3.50 Earth masses
- Surface gravity around 1.23 g
- An orbital period of 2.243 days
- Semi-major axis 0.0280 AU
- Equilibrium temperature 822 K (549 °C)
- Distance from Earth 1,116.28 light-years
- Earth Similarity Index 0.354
- Travel time at Voyager 1 speed 19,685,631 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-674 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#415of 1176
top 35.2%
This planet
1.69R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-674 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.69 | 11.21 |
| Mass (M⊕) | 1.00 | 3.50 | 317.83 |
| Density (g/cm³) | 5.51 | 3.98 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.23 | 2.53 |
| Insolation (S⊕) | 1.00 | 146.51 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 48528770
Gaia DR2
Gaia DR2 2132161785967577728
Gaia DR3
Gaia DR3 2132161785967577728
System
Kepler-674
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.24 Earth days (0.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0280 AU.
Transit Fingerprint
Depth
0.082 %
Duration
1.021 h
Impact parameter b
0.141
Rp / R★
0.026768
Transit midpoint (BJD)
2,455,003.6789
Photometric dip
Transit produces a flux drop of 822 ppm lasting ≈ 1.02 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026768
Semi-major axis / stellar radius
17.090
Impact parameter (b)
0.141
Transit mid-time (BJD)
2,455,003.6789
Angular separation (arcsec)
0.08180
Eq. Temperature
822K
(549 °C)
Insolation (S⊕)
146.51
Earth = 1.00
Earth Similarity (ESI)
0.354
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
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-674
Spectral Class
K-type orange
Effective Temperature
4,192 K — cooler than the Sun (5,778 K)
Estimated Age
3.31 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.570 R☉
Stellar Mass
0.600 M☉
Metallicity [Fe/H]
-0.27
Extended Stellar Properties
Surface gravity (log g)
4.690 dex
Stellar density
18.768 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.893 mas
Total Proper Motion
23.241 mas/yr
PM Right Ascension
-2.57 mas/yr
PM Declination
-23.10 mas/yr
Galactic Cartesian (pc)
x = 0.168 · y = -0.618 · z = 0.768
Equatorial (J2000)
RA 285.17619° · Dec 50.14969°
Galactic ℓ, b
80.283° · 19.088°
Ecliptic λ, β
302.624° · 71.873°
HTM-20 index
-495910531
Similar Worlds
Kepler-1148 b
Super-Earth · K-type orange
Radius 1.69 R⊕ · 2,040.7 ly
K2-131 b
Super-Earth · K-type orange
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Kepler-968 c
Super-Earth · K-type orange
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K2-381 d
Super-Earth · K-type orange
Radius 1.69 R⊕ · 475.2 ly
K2-394 b
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K2-377 b
Super-Earth · K-type orange
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