Key parameters at a glance
- A radius of 1.91 Earth radii
- A mass of 4.31 Earth masses
- Surface gravity around 1.18 g
- An orbital period of 5.748 days
- Semi-major axis 0.0540 AU
- Equilibrium temperature 641 K (368 °C)
- Distance from Earth 896.17 light-years
- Earth Similarity Index 0.435
- Travel time at Voyager 1 speed 15,803,940 years
- Almost certainly tidally locked to its host star given the close orbit
Kepler-753 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#114of 1176
top 9.6%
This planet
1.91R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | Kepler-753 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.91 | 11.21 |
| Mass (M⊕) | 1.00 | 4.31 | 317.83 |
| Density (g/cm³) | 5.51 | 3.40 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.18 | 2.53 |
| Insolation (S⊕) | 1.00 | 41.67 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 351056774
Gaia DR2
Gaia DR2 2051905030647886976
Gaia DR3
Gaia DR3 2051905030647886976
System
Kepler-753
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.75 Earth days (1.6% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0540 AU.
Transit Fingerprint
Depth
0.082 %
Duration
1.822 h
Impact parameter b
0.572
Rp / R★
0.026697
Transit midpoint (BJD)
2,454,966.2982
Photometric dip
Transit produces a flux drop of 820 ppm lasting ≈ 1.82 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026697
Semi-major axis / stellar radius
12.600
Impact parameter (b)
0.572
Transit mid-time (BJD)
2,454,966.2982
Angular separation (arcsec)
0.19700
Eq. Temperature
641K
(368 °C)
Insolation (S⊕)
41.67
Earth = 1.00
Earth Similarity (ESI)
0.435
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-753
Spectral Class
K-type orange
Effective Temperature
4,346 K — cooler than the Sun (5,778 K)
Estimated Age
3.63 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.650 R☉
Stellar Mass
0.680 M☉
Metallicity [Fe/H]
-0.03
Extended Stellar Properties
Surface gravity (log g)
4.650 dex
Stellar density
4.418 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Parallax
3.611 mas
Total Proper Motion
19.194 mas/yr
PM Right Ascension
-6.99 mas/yr
PM Declination
17.88 mas/yr
Galactic Cartesian (pc)
x = 0.294 · y = -0.732 · z = 0.614
Equatorial (J2000)
RA 291.90324° · Dec 37.90237°
Galactic ℓ, b
70.679° · 9.772°
Ecliptic λ, β
304.556° · 58.742°
HTM-20 index
1972144796
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