Key parameters at a glance
- A radius of 1.84 Earth radii
- A mass of 4.04 Earth masses
- Surface gravity around 1.19 g
- An orbital period of 9.879 days
- Semi-major axis 0.0692 AU
- Equilibrium temperature 393 K (120 °C)
- Distance from Earth 216.59 light-years
- Earth Similarity Index 0.680
- Travel time at Voyager 1 speed 3,819,595 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1651 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#201of 1176
top 17.0%
This planet
1.84R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1651 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.84 | 11.21 |
| Mass (M⊕) | 1.00 | 4.04 | 317.83 |
| Density (g/cm³) | 5.51 | 3.56 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.19 | 2.53 |
| Insolation (S⊕) | 1.00 | 5.65 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 48353358
Gaia DR2
Gaia DR2 2131725447350716032
Gaia DR3
Gaia DR3 2131725447350716032
System
Kepler-1651
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 9.88 Earth days (2.7% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0692 AU.
Transit Fingerprint
Depth
0.147 %
Duration
1.892 h
Impact parameter b
0.450
Rp / R★
0.033550
Transit midpoint (BJD)
2,454,961.5340
Photometric dip
Transit produces a flux drop of 1,473 ppm lasting ≈ 1.89 h.
Extended Orbital Architecture
Planet / star radius ratio
0.033550
Semi-major axis / stellar radius
41.282
Impact parameter (b)
0.450
Transit mid-time (BJD)
2,454,961.5340
Angular separation (arcsec)
1.04000
Eq. Temperature
393K
(120 °C)
Insolation (S⊕)
5.65
Earth = 1.00
Earth Similarity (ESI)
0.680
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
Mann et al. 2017Instrument
Kepler CCD Array
Publication
2017-06
Observation locale
Space
Discovery cohort
Planets confirmed in 2017 at Kepler (8 shown).
Host System: Kepler-1651
Spectral Class
K-type orange
Effective Temperature
3,713 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
0.503 R☉
Stellar Mass
0.522 M☉
Metallicity [Fe/H]
-0.16
Extended Stellar Properties
Surface gravity (log g)
4.843 dex
Stellar density
4.100 g/cm³
Systemic radial velocity
4.06 km/s
Rotational v·sin i
1.10 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 15 bands
Astrometric Data
Parallax
15.030 mas
Total Proper Motion
49.862 mas/yr
PM Right Ascension
-10.82 mas/yr
PM Declination
-48.67 mas/yr
Galactic Cartesian (pc)
x = 0.156 · y = -0.645 · z = 0.748
Equatorial (J2000)
RA 283.62826° · Dec 48.39081°
Galactic ℓ, b
78.169° · 19.451°
Ecliptic λ, β
297.963° · 70.510°
HTM-20 index
1415838772
Similar Worlds
Kepler-357 b
Super-Earth · K-type orange
Radius 1.84 R⊕ · 2,245.8 ly
Ross 176 b
Super-Earth · K-type orange
Radius 1.84 R⊕ · 151.5 ly
Kepler-354 b
Super-Earth · K-type orange
Radius 1.84 R⊕ · 1,807.1 ly
Kepler-331 c
Super-Earth · K-type orange
Radius 1.84 R⊕ · 1,892.1 ly
WASP-132 c
Super-Earth · K-type orange
Radius 1.84 R⊕ · 400.9 ly
TOI-1782.02
Super-Earth · K-type orange
Radius 1.84 R⊕ · 310.7 ly