Key parameters at a glance
- A radius of 2.48 Earth radii
- A mass of 7.70 Earth masses
- Surface gravity around 1.25 g
- An orbital period of 2.567 days
- Semi-major axis 0.0396 AU
- Equilibrium temperature 1,735 K (1462 °C)
- Distance from Earth 431.22 light-years
- Earth Similarity Index 0.135
- Travel time at Voyager 1 speed 7,604,633 years
1 sibling around TOI-4495
TOI-4495 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 |
|---|---|---|---|---|---|---|
| TOI-4495 b this | Sub-Neptune | 2.48 | 7.70 | 2.567 | 1,735 | 2026 |
| TOI-4495 c | Neptune-like | 4.03 | 23.20 | 5.186 | 1,365 | 2024 |
TOI-4495 b Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#1209of 1978
top 61.1%
This planet
2.48R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | TOI-4495 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.48 | 11.21 |
| Mass (M⊕) | 1.00 | 7.70 | 317.83 |
| Density (g/cm³) | 5.51 | 2.71 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.25 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,001.28 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 7.700 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 120826158
Gaia DR2
Gaia DR2 2099011888349441536
Gaia DR3
Gaia DR3 2099011888349441536
System
TOI-4495
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.57 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0396 AU.
Transit Fingerprint
Depth
0.029 %
Duration
2.471 h
Impact parameter b
0.260
Rp / R★
0.017820
Transit midpoint (BJD)
2,458,685.7738
Photometric dip
Transit produces a flux drop of 290 ppm lasting ≈ 2.47 h.
Extended Orbital Architecture
Planet / star radius ratio
0.017820
Semi-major axis / stellar radius
6.650
Impact parameter (b)
0.260
Transit mid-time (BJD)
2,458,685.7738
Angular separation (arcsec)
0.29900
Eq. Temperature
1,735K
(1462 °C)
Insolation (S⊕)
1,001.28
Earth = 1.00
Earth Similarity (ESI)
0.135
0 = alien, 1 = Earth-identical
Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.
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
Wang et al. 2026Instrument
TESS CCD Array
Publication
2026-01
Observation locale
Space
Discovery cohort
Planets confirmed in 2026 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-4495
Spectral Class
F-type yellow-white
Effective Temperature
6,210 K — hotter than the Sun (5,778 K)
Estimated Age
1.90 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.309 R☉
Stellar Mass
1.247 M☉
Metallicity [Fe/H]
0.18
Extended Stellar Properties
Surface gravity (log g)
4.290 dex
Stellar density
0.770 g/cm³
Rotational v·sin i
6.80 km/s
Rotation period
10.20 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
7.535 mas
Total Proper Motion
28.033 mas/yr
PM Right Ascension
12.30 mas/yr
PM Declination
-25.19 mas/yr
Galactic Cartesian (pc)
x = 0.225 · y = -0.766 · z = 0.602
Equatorial (J2000)
RA 286.36250° · Dec 37.02599°
Galactic ℓ, b
67.942° · 13.366°
Ecliptic λ, β
295.891° · 59.003°
HTM-20 index
896269903
Similar Worlds
Kepler-758 b
Sub-Neptune · F-type yellow-white
Radius 2.48 R⊕ · 4,899.9 ly
Kepler-342 d
Sub-Neptune · F-type yellow-white
Radius 2.49 R⊕ · 2,549.3 ly
Kepler-509 b
Sub-Neptune · F-type yellow-white
Radius 2.49 R⊕ · 1,084.3 ly
Kepler-1632 b
Sub-Neptune · F-type yellow-white
Radius 2.47 R⊕ · 2,337.8 ly
Kepler-126 d
Sub-Neptune · F-type yellow-white
Radius 2.50 R⊕ · 774.3 ly
Kepler-885 b
Sub-Neptune · F-type yellow-white
Radius 2.50 R⊕ · 2,124.3 ly