Key parameters at a glance
- A radius of 1.43 Earth radii
- A mass of 78.00 Earth masses
- Surface gravity around 38.14 g
- An orbital period of 2.971 days
- Semi-major axis 0.0380 AU
- Equilibrium temperature 1,200 K (927 °C)
- Distance from Earth 2,901.51 light-years
- Earth Similarity Index 0.100
- Travel time at Voyager 1 speed 51,168,124 years
2 siblings around Kepler-272
Kepler-272 b 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 this | Super-Earth | 1.43 | 78.00 | 2.971 | 1,200 | 2014 |
| Kepler-272 c | 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 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#864of 1176
top 73.4%
This planet
1.43R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-272 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.43 | 11.21 |
| Mass (M⊕) | 1.00 | 78.00 | 317.83 |
| Density (g/cm³) | 5.51 | 147.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 38.14 | 2.53 |
| Insolation (S⊕) | 1.00 | 801.74 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 78.000 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 2.97 Earth days (0.8% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0380 AU.
Transit Fingerprint
Depth
0.023 %
Duration
2.648 h
Impact parameter b
0.040
Rp / R★
0.013899
Transit midpoint (BJD)
2,454,967.3868
Photometric dip
Transit produces a flux drop of 233 ppm lasting ≈ 2.65 h.
Extended Orbital Architecture
Planet / star radius ratio
0.013899
Semi-major axis / stellar radius
8.410
Impact parameter (b)
0.040
Transit mid-time (BJD)
2,454,967.3868
Angular separation (arcsec)
0.04270
Eq. Temperature
1,200K
(927 °C)
Insolation (S⊕)
801.74
Earth = 1.00
Earth Similarity (ESI)
0.100
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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
Similar Worlds
Kepler-334 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 1,391.3 ly
Kepler-311 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 2,539.6 ly
Kepler-176 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 1,719.9 ly
Kepler-1380 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 8,033.0 ly
Kepler-773 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 1,784.2 ly
Kepler-399 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.43 R⊕ · 2,415.3 ly