Key parameters at a glance
- A radius of 1.61 Earth radii
- A mass of 3.22 Earth masses
- Surface gravity around 1.24 g
- An orbital period of 6.921 days
- Semi-major axis 0.0590 AU
- Equilibrium temperature 619 K (346 °C)
- Distance from Earth 1,813.45 light-years
- Earth Similarity Index 0.476
- Travel time at Voyager 1 speed 31,980,135 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-1048 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#550of 1176
top 46.7%
This planet
1.61R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-1048 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.61 | 11.21 |
| Mass (M⊕) | 1.00 | 3.22 | 317.83 |
| Density (g/cm³) | 5.51 | 4.24 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.24 | 2.53 |
| Insolation (S⊕) | 1.00 | 96.98 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 123408693
Gaia DR2
Gaia DR2 2104704815958848000
Gaia DR3
Gaia DR3 2104704815958848000
System
Kepler-1048
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.92 Earth days (1.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0590 AU.
Transit Fingerprint
Depth
0.053 %
Duration
4.247 h
Impact parameter b
0.846
Rp / R★
0.021216
Transit midpoint (BJD)
2,454,968.6448
Photometric dip
Transit produces a flux drop of 530 ppm lasting ≈ 4.25 h.
Extended Orbital Architecture
Planet / star radius ratio
0.021216
Semi-major axis / stellar radius
12.718
Impact parameter (b)
0.846
Transit mid-time (BJD)
2,454,968.6448
Angular separation (arcsec)
0.10600
Eq. Temperature
619K
(346 °C)
Insolation (S⊕)
96.98
Earth = 1.00
Earth Similarity (ESI)
0.476
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
Morton et al. 2016Instrument
Kepler CCD Array
Publication
2016-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2016 at Kepler (12 shown).
Host System: Kepler-1048
Spectral Class
K-type orange
Effective Temperature
4,651 K — cooler than the Sun (5,778 K)
Estimated Age
3.98 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.700 R☉
Stellar Mass
0.750 M☉
Metallicity [Fe/H]
0.01
Extended Stellar Properties
Surface gravity (log g)
4.620 dex
Stellar density
0.812 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.770 mas
Total Proper Motion
11.062 mas/yr
PM Right Ascension
-7.44 mas/yr
PM Declination
-8.18 mas/yr
Galactic Cartesian (pc)
x = 0.153 · y = -0.725 · z = 0.671
Equatorial (J2000)
RA 281.89830° · Dec 42.16571°
Galactic ℓ, b
71.539° · 18.491°
Ecliptic λ, β
290.981° · 64.741°
HTM-20 index
-1815270045
Similar Worlds
HD 219134 d
Super-Earth · K-type orange
Radius 1.61 R⊕ · 21.3 ly
Kepler-62 e
Super-Earth · K-type orange
Radius 1.61 R⊕ · 981.3 ly
Kepler-1749 b
Super-Earth · K-type orange
Radius 1.61 R⊕ · 874.8 ly
HD 219134 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 21.3 ly
Kepler-1702 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 2,795.6 ly
EPIC 212499991 b
Super-Earth · K-type orange
Radius 1.60 R⊕ · 924.0 ly