Key parameters at a glance
- A radius of 4.30 Earth radii
- A mass of 17.10 Earth masses
- Surface gravity around 0.92 g
- An orbital period of 5.641 days
- Semi-major axis 0.0627 AU
- Equilibrium temperature 1,125 K (852 °C)
- Distance from Earth 3,670.04 light-years
- Earth Similarity Index 0.176
- Travel time at Voyager 1 speed 64,721,113 years
1 sibling around Kepler-501
Kepler-501 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-501 c | Super-Earth | 1.68 | 3.47 | 3.623 | 1,304 | 2021 |
| Kepler-501 b this | Neptune-like | 4.30 | 17.10 | 5.641 | 1,125 | 2016 |
Kepler-501 b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#494of 574
top 85.9%
This planet
4.30R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-501 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.30 | 11.21 |
| Mass (M⊕) | 1.00 | 17.10 | 317.83 |
| Density (g/cm³) | 5.51 | 1.18 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.92 | 2.53 |
| Insolation (S⊕) | 1.00 | 324.86 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 169176340
Gaia DR2
Gaia DR2 2076943796633684352
Gaia DR3
Gaia DR3 2076943796633684352
System
Kepler-501
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 5.64 Earth days (1.5% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0627 AU.
Transit Fingerprint
Depth
0.145 %
Duration
2.902 h
Impact parameter b
0.760
Rp / R★
0.038083
Transit midpoint (BJD)
2,454,971.5562
Photometric dip
Transit produces a flux drop of 1,453 ppm lasting ≈ 2.90 h.
Extended Orbital Architecture
Planet / star radius ratio
0.038083
Semi-major axis / stellar radius
15.726
Impact parameter (b)
0.760
Transit mid-time (BJD)
2,454,971.5562
Angular separation (arcsec)
0.05570
Eq. Temperature
1,125K
(852 °C)
Insolation (S⊕)
324.86
Earth = 1.00
Earth Similarity (ESI)
0.176
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-501
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,904 K — hotter than the Sun (5,778 K)
Estimated Age
3.31 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.040 R☉
Stellar Mass
1.030 M☉
Metallicity [Fe/H]
-0.03
Extended Stellar Properties
Surface gravity (log g)
4.420 dex
Stellar density
1.471 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.860 mas
Total Proper Motion
10.314 mas/yr
PM Right Ascension
-6.19 mas/yr
PM Declination
-8.25 mas/yr
Galactic Cartesian (pc)
x = 0.341 · y = -0.664 · z = 0.666
Equatorial (J2000)
RA 297.20149° · Dec 41.73015°
Galactic ℓ, b
76.036° · 7.989°
Ecliptic λ, β
314.740° · 61.012°
HTM-20 index
-811032594
Similar Worlds
KOI-984 b
Neptune-like · G-type yellow (Sun-like)
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Kepler-38 b
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Kepler-554 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.29 R⊕ · 2,252.2 ly
CoRoT-7 d
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Radius 4.31 R⊕ · 521.5 ly
HD 204313 c
Neptune-like · G-type yellow (Sun-like)
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HD 109271 b
Neptune-like · G-type yellow (Sun-like)
Radius 4.31 R⊕ · 182.2 ly