Key parameters at a glance
- A radius of 1.60 Earth radii
- A mass of 3.20 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 18.501 days
- Semi-major axis 0.1275 AU
- Equilibrium temperature 555 K (282 °C)
- Distance from Earth 2,795.61 light-years
- Earth Similarity Index 0.529
- Travel time at Voyager 1 speed 49,300,642 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1702 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#569of 1176
top 48.3%
This planet
1.60R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1702 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.60 | 11.21 |
| Mass (M⊕) | 1.00 | 3.20 | 317.83 |
| Density (g/cm³) | 5.51 | 4.28 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 22.40 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164830907
Gaia DR2
Gaia DR2 2105983066946463488
Gaia DR3
Gaia DR3 2105983066946463488
System
Kepler-1702
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 18.50 Earth days (5.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1275 AU.
Transit Fingerprint
Depth
0.042 %
Duration
3.179 h
Impact parameter b
0.224
Rp / R★
0.019147
Transit midpoint (BJD)
2,454,982.1757
Photometric dip
Transit produces a flux drop of 421 ppm lasting ≈ 3.18 h.
Extended Orbital Architecture
Planet / star radius ratio
0.019147
Semi-major axis / stellar radius
44.000
Impact parameter (b)
0.224
Transit mid-time (BJD)
2,454,982.1757
Angular separation (arcsec)
0.14900
Eq. Temperature
555K
(282 °C)
Insolation (S⊕)
22.40
Earth = 1.00
Earth Similarity (ESI)
0.529
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
Armstrong et al. 2021Instrument
Kepler CCD Array
Publication
2021-07
Observation locale
Space
Discovery cohort
Planets confirmed in 2020 at Kepler (12 shown).
Host System: Kepler-1702
Spectral Class
K-type orange
Effective Temperature
5,093 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.726 R☉
Stellar Mass
0.850 M☉
Metallicity [Fe/H]
-0.24
Extended Stellar Properties
Surface gravity (log g)
4.646 dex
Stellar density
3.135 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.139 mas
Total Proper Motion
12.124 mas/yr
PM Right Ascension
-6.75 mas/yr
PM Declination
-10.07 mas/yr
Galactic Cartesian (pc)
x = 0.184 · y = -0.688 · z = 0.702
Equatorial (J2000)
RA 284.97248° · Dec 44.56748°
Galactic ℓ, b
74.731° · 17.254°
Ecliptic λ, β
297.580° · 66.579°
HTM-20 index
995367209
Similar Worlds
HD 219134 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 21.3 ly
EPIC 212499991 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 924.0 ly
Kepler-994 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 613.7 ly
Kepler-842 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 1,737.5 ly
Kepler-80 e
Super-Earth · K-type orange
Radius 1.60 R⊕ · 1,205.0 ly
Kepler-1804 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 1,417.0 ly