Key parameters at a glance
- A radius of 3.20 Earth radii
- A mass of 3.49 Earth masses
- Surface gravity around 0.34 g
- An orbital period of 14.911 days
- Semi-major axis 0.1158 AU
- Equilibrium temperature 694 K (421 °C)
- Distance from Earth 995.41 light-years
- Earth Similarity Index 0.318
- Travel time at Voyager 1 speed 17,553,971 years
Kepler-1710 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#356of 1978
top 17.9%
This planet
3.20R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | Kepler-1710 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.20 | 11.21 |
| Mass (M⊕) | 1.00 | 3.49 | 317.83 |
| Density (g/cm³) | 5.51 | 1.11 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.34 | 2.53 |
| Insolation (S⊕) | 1.00 | 48.90 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 3.495 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 137316027
Gaia DR2
Gaia DR2 2051808789021826432
Gaia DR3
Gaia DR3 2051808789021826432
System
Kepler-1710
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 14.91 Earth days (4.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1158 AU.
Transit Fingerprint
Depth
0.090 %
Duration
3.335 h
Impact parameter b
0.014
Rp / R★
0.026641
Transit midpoint (BJD)
2,454,974.3367
Photometric dip
Transit produces a flux drop of 896 ppm lasting ≈ 3.34 h.
Extended Orbital Architecture
Planet / star radius ratio
0.026641
Semi-major axis / stellar radius
35.174
Impact parameter (b)
0.014
RV semi-amplitude (K)
0.952 m/s
Transit mid-time (BJD)
2,454,974.3367
Angular separation (arcsec)
0.38000
Eq. Temperature
694K
(421 °C)
Insolation (S⊕)
48.90
Earth = 1.00
Earth Similarity (ESI)
0.318
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.
Detection Signatures
Transit photometry
A transit dip has been observed from at least one telescope.
Transit timing variations
Gravitational interactions from neighbours have been detected.
Discovery Paper
Primary reference
Valizadegan et al. 2022Instrument
Kepler CCD Array
Publication
2022-02
Observation locale
Space
Discovery cohort
Planets confirmed in 2021 at Kepler (12 shown).
Host System: Kepler-1710
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,650 K — cooler than the Sun (5,778 K)
Estimated Age
2.69 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.899 R☉
Stellar Mass
0.932 M☉
Metallicity [Fe/H]
-0.04
Extended Stellar Properties
Surface gravity (log g)
4.500 dex
Stellar density
3.703 g/cm³
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 17 bands
Astrometric Data
Parallax
3.248 mas
Total Proper Motion
25.445 mas/yr
PM Right Ascension
-13.75 mas/yr
PM Declination
-21.41 mas/yr
Galactic Cartesian (pc)
x = 0.292 · y = -0.735 · z = 0.612
Equatorial (J2000)
RA 291.68329° · Dec 37.75147°
Galactic ℓ, b
70.463° · 9.859°
Ecliptic λ, β
304.153° · 58.647°
HTM-20 index
1951538571
Similar Worlds
HD 191939 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 174.8 ly
Kepler-33 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 3,943.7 ly
TOI-4633 c
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 310.5 ly
Kepler-1172 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 4,261.3 ly
Kepler-170 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 2,409.2 ly
Kepler-1642 b
Sub-Neptune · G-type yellow (Sun-like)
Radius 3.20 R⊕ · 1,349.9 ly