Key parameters at a glance
- A radius of 1.82 Earth radii
- A mass of 3.97 Earth masses
- Surface gravity around 1.20 g
- An orbital period of 92.744 days
- Semi-major axis 0.3410 AU
- Equilibrium temperature 240 K (-33 °C)
- Distance from Earth 1,526.72 light-years
- Earth Similarity Index 0.755
- Travel time at Voyager 1 speed 26,923,647 years
Context from the literature
Kepler-283 c is an exoplanet orbiting the K-type star Kepler-283, discovered by the Kepler space telescope in 2014. The star is of spectral type K7V, located about 1,596 light years from Earth in the constellation of Cygnus.
Excerpted from Wikipedia · full article
1 sibling around Kepler-283
Kepler-283 c 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-283 b | Sub-Neptune | 2.13 | 5.18 | 11.008 | 488 | 2014 |
| Kepler-283 c this | Super-Earth | 1.82 | 3.97 | 92.744 | 240 | 2014 |
Kepler-283 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#235of 1176
top 19.9%
This planet
1.82R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-283 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.82 | 11.21 |
| Mass (M⊕) | 1.00 | 3.97 | 317.83 |
| Density (g/cm³) | 5.51 | 3.62 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.20 | 2.53 |
| Insolation (S⊕) | 1.00 | 0.95 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 270695184
Gaia DR2
Gaia DR2 2128811951996688768
Gaia DR3
Gaia DR3 2128811951996688768
System
Kepler-283
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 92.74 Earth days (25.4% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3410 AU.
Transit Fingerprint
Depth
0.111 %
Duration
6.279 h
Impact parameter b
0.440
Rp / R★
0.029388
Transit midpoint (BJD)
2,455,006.3115
Photometric dip
Transit produces a flux drop of 1,105 ppm lasting ≈ 6.28 h.
Extended Orbital Architecture
Planet / star radius ratio
0.029388
Semi-major axis / stellar radius
132.450
Impact parameter (b)
0.440
Transit mid-time (BJD)
2,455,006.3115
Angular separation (arcsec)
0.72800
Eq. Temperature
240K
(-33 °C)
Insolation (S⊕)
0.95
Earth = 1.00
Earth Similarity (ESI)
0.755
0 = alien, 1 = Earth-identical
Within the conservative habitable zone — surface water would be frozen.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
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-283
Spectral Class
K-type orange
Effective Temperature
4,351 K — cooler than the Sun (5,778 K)
Estimated Age
3.09 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.566 R☉
Stellar Mass
0.596 M☉
Metallicity [Fe/H]
-0.17
Extended Stellar Properties
Surface gravity (log g)
4.721 dex
Stellar density
0.064 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
2.108 mas
Total Proper Motion
16.736 mas/yr
PM Right Ascension
3.19 mas/yr
PM Declination
-16.43 mas/yr
Galactic Cartesian (pc)
x = 0.269 · y = -0.615 · z = 0.741
Equatorial (J2000)
RA 293.61374° · Dec 47.83894°
Galactic ℓ, b
80.320° · 13.093°
Ecliptic λ, β
314.939° · 67.628°
HTM-20 index
-1762659103
Similar Worlds
Kepler-1413 b
Super-Earth · K-type orange
Radius 1.82 R⊕ · 3,807.8 ly
Kepler-331 b
Super-Earth · K-type orange
Radius 1.82 R⊕ · 1,892.1 ly
Kepler-2001 c
Super-Earth · K-type orange
Radius 1.82 R⊕ · 2,532.8 ly
Kepler-113 b
Super-Earth · K-type orange
Radius 1.82 R⊕ · 855.7 ly
TOI-2068 b
Super-Earth · K-type orange
Radius 1.82 R⊕ · 172.6 ly
Kepler-1938 b
Super-Earth · K-type orange
Radius 1.83 R⊕ · 1,373.6 ly