Key parameters at a glance
- A radius of 1.53 Earth radii
- A mass of 2.96 Earth masses
- Surface gravity around 1.26 g
- An orbital period of 3.774 days
- Semi-major axis 0.0453 AU
- Equilibrium temperature 1,270 K (997 °C)
- Distance from Earth 2,634.85 light-years
- Earth Similarity Index 0.228
- Travel time at Voyager 1 speed 46,465,599 years
1 sibling around Kepler-825
Kepler-825 b 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-825 b this | Super-Earth | 1.53 | 2.96 | 3.774 | 1,270 | 2016 |
| Kepler-825 c | Super-Earth | 1.84 | 4.04 | 8.182 | 981 | 2016 |
Kepler-825 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#687of 1176
top 58.3%
This planet
1.53R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-825 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.53 | 11.21 |
| Mass (M⊕) | 1.00 | 2.96 | 317.83 |
| Density (g/cm³) | 5.51 | 4.54 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.26 | 2.53 |
| Insolation (S⊕) | 1.00 | 734.46 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 378086008
Gaia DR2
Gaia DR2 2076249351963553152
Gaia DR3
Gaia DR3 2076249351963553152
System
Kepler-825
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 3.77 Earth days (1.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0453 AU.
Transit Fingerprint
Depth
0.018 %
Duration
2.685 h
Impact parameter b
0.250
Rp / R★
0.012727
Transit midpoint (BJD)
2,454,967.0694
Photometric dip
Transit produces a flux drop of 176 ppm lasting ≈ 2.69 h.
Extended Orbital Architecture
Planet / star radius ratio
0.012727
Semi-major axis / stellar radius
10.870
Impact parameter (b)
0.250
Transit mid-time (BJD)
2,454,967.0694
Angular separation (arcsec)
0.05610
Eq. Temperature
1,270K
(997 °C)
Insolation (S⊕)
734.46
Earth = 1.00
Earth Similarity (ESI)
0.228
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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-825
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,976 K — hotter than the Sun (5,778 K)
Estimated Age
3.55 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.080 R☉
Stellar Mass
1.030 M☉
Metallicity [Fe/H]
-0.08
Extended Stellar Properties
Surface gravity (log g)
4.390 dex
Stellar density
1.633 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.209 mas
Total Proper Motion
24.741 mas/yr
PM Right Ascension
-12.12 mas/yr
PM Declination
-21.57 mas/yr
Galactic Cartesian (pc)
x = 0.324 · y = -0.702 · z = 0.635
Equatorial (J2000)
RA 294.76983° · Dec 39.39841°
Galactic ℓ, b
73.072° · 8.481°
Ecliptic λ, β
309.602° · 59.478°
HTM-20 index
-1954192945
Similar Worlds
Kepler-198 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.53 R⊕ · 1,615.6 ly
Kepler-990 c
Super-Earth · G-type yellow (Sun-like)
Radius 1.53 R⊕ · 2,616.3 ly
TOI-5788 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.53 R⊕ · 318.4 ly
Kepler-1950 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.53 R⊕ · 2,274.1 ly
Kepler-107 b
Super-Earth · G-type yellow (Sun-like)
Radius 1.54 R⊕ · 1,715.6 ly
HIP 29442 d
Super-Earth · G-type yellow (Sun-like)
Radius 1.54 R⊕ · 222.4 ly