Key parameters at a glance
- A radius of 2.64 Earth radii
- A mass of 12.50 Earth masses
- Surface gravity around 1.79 g
- An orbital period of 7.501 days
- Semi-major axis 0.0763 AU
- Equilibrium temperature 1,360 K (1087 °C)
- Distance from Earth 258.99 light-years
- Earth Similarity Index 0.184
- Travel time at Voyager 1 speed 4,567,301 years
1 sibling around TOI-6054
TOI-6054.01 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-6054.01 this | Sub-Neptune | 2.64 | 12.50 | 7.501 | 1,360 | 2024 |
| TOI-6054.02 | Sub-Neptune | 2.82 | 9.30 | 12.564 | 1,143 | 2024 |
TOI-6054.01 Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#958of 1978
top 48.4%
This planet
2.64R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | TOI-6054.01 | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 2.64 | 11.21 |
| Mass (M⊕) | 1.00 | 12.50 | 317.83 |
| Density (g/cm³) | 5.51 | 3.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.79 | 2.53 |
| Insolation (S⊕) | 1.00 | 570.00 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 12.500 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
HIP
HIP 17540
TIC
TIC 392681545
Gaia DR2
Gaia DR2 474143193821024256
Gaia DR3
Gaia DR3 474143193821024256
System
TOI-6054
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 7.50 Earth days (2.1% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0763 AU.
Transit Fingerprint
Depth
0.021 %
Duration
5.650 h
Impact parameter b
0.240
Rp / R★
0.014590
Transit midpoint (BJD)
2,458,817.9090
Photometric dip
Transit produces a flux drop of 213 ppm lasting ≈ 5.65 h.
Extended Orbital Architecture
Planet / star radius ratio
0.014590
Semi-major axis / stellar radius
9.890
Impact parameter (b)
0.240
RV semi-amplitude (K)
3.870 m/s
Transit mid-time (BJD)
2,458,817.9090
Long. of periastron (ω)
-13.00°
Angular separation (arcsec)
0.96100
Eq. Temperature
1,360K
(1087 °C)
Insolation (S⊕)
570.00
Earth = 1.00
Earth Similarity (ESI)
0.184
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
Crossfield et al. 2024Instrument
TESS CCD Array
Publication
2024-11
Observation locale
Space
Discovery cohort
Planets confirmed in 2024 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-6054
Spectral Class
F-type yellow-white
Effective Temperature
6,047 K — hotter than the Sun (5,778 K)
Estimated Age
6.00 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.662 R☉
Stellar Mass
1.107 M☉
Metallicity [Fe/H]
-0.07
Extended Stellar Properties
Surface gravity (log g)
4.100 dex
Stellar density
0.340 g/cm³
Rotational v·sin i
6.69 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
12.565 mas
Total Proper Motion
55.196 mas/yr
PM Right Ascension
-54.99 mas/yr
PM Declination
-4.79 mas/yr
Galactic Cartesian (pc)
x = 0.274 · y = 0.412 · z = 0.869
Equatorial (J2000)
RA 56.33701° · Dec 60.35092°
Galactic ℓ, b
142.893° · 4.405°
Ecliptic λ, β
69.238° · 39.315°
HTM-20 index
1723301027
Similar Worlds
Kepler-127 d
Sub-Neptune · F-type yellow-white
Radius 2.64 R⊕ · 1,150.7 ly
Kepler-635 b
Sub-Neptune · F-type yellow-white
Radius 2.64 R⊕ · 3,721.7 ly
Kepler-1941 b
Sub-Neptune · F-type yellow-white
Radius 2.65 R⊕ · 4,874.0 ly
Kepler-145 b
Sub-Neptune · F-type yellow-white
Radius 2.65 R⊕ · 1,848.8 ly
Kepler-1054 b
Sub-Neptune · F-type yellow-white
Radius 2.63 R⊕ · 3,556.8 ly
Kepler-616 d
Sub-Neptune · F-type yellow-white
Radius 2.65 R⊕ · 3,084.7 ly