Key parameters at a glance
- A radius of 5.62 Earth radii
- A mass of 23.66 Earth masses
- Surface gravity around 0.75 g
- An orbital period of 6.141 days
- Semi-major axis 0.0640 AU
- Equilibrium temperature 1,137 K (864 °C)
- Distance from Earth 510.53 light-years
- Earth Similarity Index 0.150
- Travel time at Voyager 1 speed 9,003,231 years
TOI-5795 b Planet Profile
Physical Specs
Classification
Planet Type
Neptune-like
Discovery
Size rank in cohort
Rank by radius
#311of 574
top 54.0%
This planet
5.62R⊕
Neptune-like median
6.39R⊕
Nearest-size peers
| Metric | Earth | TOI-5795 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 5.62 | 11.21 |
| Mass (M⊕) | 1.00 | 23.66 | 317.83 |
| Density (g/cm³) | 5.51 | 0.73 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.75 | 2.53 |
| Insolation (S⊕) | 1.00 | 240.68 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 23.660 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 151724385
Gaia DR2
Gaia DR2 4216036349838071424
Gaia DR3
Gaia DR3 4216036349838071424
System
TOI-5795
Percentile among Neptune-like cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 6.14 Earth days (1.7% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0640 AU.
Transit Fingerprint
Depth
0.247 %
Duration
3.407 h
Impact parameter b
0.290
Rp / R★
0.047700
Transit midpoint (BJD)
2,459,770.6740
Photometric dip
Transit produces a flux drop of 2,469 ppm lasting ≈ 3.41 h.
Extended Orbital Architecture
Planet / star radius ratio
0.047700
Semi-major axis / stellar radius
12.650
Impact parameter (b)
0.290
RV semi-amplitude (K)
8.970 m/s
Transit mid-time (BJD)
2,459,770.6740
Long. of periastron (ω)
31.67°
Angular separation (arcsec)
0.40900
Eq. Temperature
1,137K
(864 °C)
Insolation (S⊕)
240.68
Earth = 1.00
Earth Similarity (ESI)
0.150
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.
Radial velocity
Stellar wobble has been measured spectroscopically.
Discovery Paper
Primary reference
Manni et al. 2025Instrument
TESS CCD Array
Publication
2025-07
Observation locale
Space
Discovery cohort
Planets confirmed in 2025 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-5795
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,715 K — cooler than the Sun (5,778 K)
Estimated Age
10.20 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.082 R☉
Stellar Mass
0.901 M☉
Metallicity [Fe/H]
-0.27
Extended Stellar Properties
Surface gravity (log g)
4.320 dex
Stellar density
1.008 g/cm³
Systemic radial velocity
-66.96 km/s
Rotational v·sin i
1.90 km/s
Activity index (log R'HK)
-5.070
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
6.361 mas
Total Proper Motion
32.174 mas/yr
PM Right Ascension
12.44 mas/yr
PM Declination
-29.67 mas/yr
Galactic Cartesian (pc)
x = 0.567 · y = -0.813 · z = -0.131
Equatorial (J2000)
RA 304.86878° · Dec -7.54766°
Galactic ℓ, b
36.201° · -22.988°
Ecliptic λ, β
305.362° · 11.714°
HTM-20 index
1249420817
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