Key parameters at a glance
- A radius of 4.28 Earth radii
- A mass of 16.90 Earth masses
- Surface gravity around 0.92 g
- An orbital period of 73.758 days
- Semi-major axis 0.3259 AU
- Equilibrium temperature 375 K (102 °C)
- Distance from Earth 1,941.71 light-years
- Earth Similarity Index 0.505
- Travel time at Voyager 1 speed 34,242,015 years
Kepler-1995 b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#502of 574
top 87.3%
This planet
4.28R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | Kepler-1995 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 4.28 | 11.21 |
| Mass (M⊕) | 1.00 | 16.90 | 317.83 |
| Density (g/cm³) | 5.51 | 1.18 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.92 | 2.53 |
| Insolation (S⊕) | 1.00 | 4.66 | 0.037 |
Star Catalogue Identifiers
TIC
TIC 164721823
Gaia DR2
Gaia DR2 2107244481660894592
Gaia DR3
Gaia DR3 2107244481660894592
System
Kepler-1995
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 73.76 Earth days (20.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.3259 AU.
Transit Fingerprint
Depth
0.184 %
Duration
2.690 h
Impact parameter b
0.714
Rp / R★
0.042132
Transit midpoint (BJD)
2,455,016.7235
Photometric dip
Transit produces a flux drop of 1,837 ppm lasting ≈ 2.69 h.
Extended Orbital Architecture
Planet / star radius ratio
0.042132
Semi-major axis / stellar radius
159.100
Impact parameter (b)
0.714
Transit mid-time (BJD)
2,455,016.7235
Angular separation (arcsec)
0.54700
Eq. Temperature
375K
(102 °C)
Insolation (S⊕)
4.66
Earth = 1.00
Earth Similarity (ESI)
0.505
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Discovery Paper
Primary reference
Valizadegan et al. 2023Instrument
Kepler CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Kepler (12 shown).
Host System: Kepler-1995
Spectral Class
K-type orange
Effective Temperature
5,029 K — cooler than the Sun (5,778 K)
Estimated Age
2.04 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.930 R☉
Stellar Mass
0.847 M☉
Metallicity [Fe/H]
0.48
Extended Stellar Properties
Surface gravity (log g)
4.429 dex
Stellar density
14.008 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
1.651 mas
Total Proper Motion
3.991 mas/yr
PM Right Ascension
-2.95 mas/yr
PM Declination
2.69 mas/yr
Galactic Cartesian (pc)
x = 0.171 · y = -0.669 · z = 0.723
Equatorial (J2000)
RA 284.34273° · Dec 46.31659°
Galactic ℓ, b
76.281° · 18.291°
Ecliptic λ, β
297.668° · 68.382°
HTM-20 index
-1558850670
Similar Worlds
HD 95338 b
Neptune-like · K-type orange
Radius 4.27 R⊕ · 120.7 ly
HD 192310 b
Neptune-like · K-type orange
Radius 4.27 R⊕ · 28.7 ly
TOI-1803 c
Neptune-like · K-type orange
Radius 4.29 R⊕ · 388.9 ly
Kepler-413 b
Neptune-like · K-type orange
Radius 4.35 R⊕ · 2,764.3 ly
HD 153557 c
Neptune-like · K-type orange
Radius 4.36 R⊕ · 58.5 ly
HAT-P-11 b
Neptune-like · K-type orange
Radius 4.36 R⊕ · 123.2 ly