Key parameters at a glance
- A radius of 1.79 Earth radii
- A mass of 97.80 Earth masses
- Surface gravity around 30.52 g
- An orbital period of 6.057 days
- Semi-major axis 0.0610 AU
- Equilibrium temperature 947 K (674 °C)
- Distance from Earth 2,901.51 light-years
- Earth Similarity Index 0.142
- Travel time at Voyager 1 speed 51,168,124 years
2 siblings around Kepler-272
Kepler-272 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| Kepler-272 b | Super-Earth | 1.43 | 78.00 | 2.971 | 1,200 | 2014 |
| Kepler-272 c this | Super-Earth | 1.79 | 97.80 | 6.057 | 947 | 2014 |
| Kepler-272 d | Sub-Neptune | 2.25 | 5.69 | 10.937 | 777 | 2014 |
Kepler-272 c Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#271of 1176
top 23.0%
This planet
1.79R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-272 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.79 | 11.21 |
| Mass (M⊕) | 1.00 | 97.80 | 317.83 |
| Density (g/cm³) | 5.51 | 93.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 30.52 | 2.53 |
| Insolation (S⊕) | 1.00 | 310.76 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 97.800 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 268704766
Gaia DR2
Gaia DR2 2085701097508446464
Gaia DR3
Gaia DR3 2085701097508446464
System
Kepler-272
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.06 Earth days (1.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0610 AU.
Transit Fingerprint
Depth
0.039 %
Duration
3.695 h
Impact parameter b
0.030
Rp / R★
0.017666
Transit midpoint (BJD)
2,454,968.9255
Photometric dip
Transit produces a flux drop of 385 ppm lasting ≈ 3.70 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017666
Semi-major axis / stellar radius
12.626
Impact parameter (b)
0.030
Transit mid-time (BJD)
2,454,968.9255
Angular separation (arcsec)
0.06860
Eq. Temperature
947K
(674 °C)
Insolation (S⊕)
310.76
Earth = 1.00
Earth Similarity (ESI)
0.142
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
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-272
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,297 K — cooler than the Sun (5,778 K)
Estimated Age
13.18 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.929 R☉
Stellar Mass
0.910 M☉
Metallicity [Fe/H]
0.04
Extended Stellar Properties
Surface gravity (log g)
4.426 dex
Stellar density
0.570 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.095 mas
Total Proper Motion
2.295 mas/yr
PM Right Ascension
-1.86 mas/yr
PM Declination
-1.35 mas/yr
Galactic Cartesian (pc)
x = 0.328 · y = -0.589 · z = 0.738
Equatorial (J2000)
RA 299.12753° · Dec 47.59383°
Galactic ℓ, b
81.877° · 9.704°
Ecliptic λ, β
323.061° · 65.753°
HTM-20 index
175464072
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