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 14.093 days
- Semi-major axis 0.1084 AU
- Equilibrium temperature 597 K (324 °C)
- Distance from Earth 2,532.76 light-years
- Earth Similarity Index 0.474
- Travel time at Voyager 1 speed 44,665,298 years
- Almost certainly tidally locked to its host star given the close orbit
1 sibling around Kepler-2001
Kepler-2001 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-2001 b | Rocky Terrestrial | 1.04 | 1.12 | 1.090 | 1,402 | 2023 |
| Kepler-2001 c this | Super-Earth | 1.82 | 3.97 | 14.093 | 597 | 2023 |
Kepler-2001 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-2001 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 | 30.10 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 26488618
Gaia DR2
Gaia DR2 2130124219123552256
Gaia DR3
Gaia DR3 2130124219123552256
System
Kepler-2001
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 14.09 Earth days (3.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1084 AU.
Transit Fingerprint
Depth
0.053 %
Duration
4.154 h
Impact parameter b
0.586
Rp / R★
0.021681
Transit midpoint (BJD)
2,454,974.1447
Photometric dip
Transit produces a flux drop of 530 ppm lasting ≈ 4.15 h.
Extended Orbital Architecture
Planet / star radius ratio
0.021681
Semi-major axis / stellar radius
21.705
Impact parameter (b)
0.586
Transit mid-time (BJD)
2,454,974.1447
Angular separation (arcsec)
0.14000
Eq. Temperature
597K
(324 °C)
Insolation (S⊕)
30.10
Earth = 1.00
Earth Similarity (ESI)
0.474
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
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-2001
Spectral Class
K-type orange
Effective Temperature
5,081 K — cooler than the Sun (5,778 K)
Estimated Age
4.00 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.770 R☉
Stellar Mass
0.864 M☉
Metallicity [Fe/H]
0.12
Extended Stellar Properties
Surface gravity (log g)
4.596 dex
Stellar density
0.974 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.260 mas
Total Proper Motion
7.901 mas/yr
PM Right Ascension
-5.65 mas/yr
PM Declination
-5.52 mas/yr
Galactic Cartesian (pc)
x = 0.234 · y = -0.590 · z = 0.773
Equatorial (J2000)
RA 291.65946° · Dec 50.58386°
Galactic ℓ, b
82.323° · 15.416°
Ecliptic λ, β
315.025° · 70.655°
HTM-20 index
143993115
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-283 c
Super-Earth · K-type orange
Radius 1.82 R⊕ · 1,526.7 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