Key parameters at a glance
- A radius of 11.99 Earth radii
- A mass of 301.94 Earth masses
- Surface gravity around 2.10 g
- An orbital period of 10.627 days
- Semi-major axis 0.0920 AU
- Equilibrium temperature 1,397 K (1124 °C)
- Distance from Earth 1,110.70 light-years
- Earth Similarity Index 0.102
- Travel time at Voyager 1 speed 19,587,219 years
TOI-892 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1510of 1771
top 85.2%
This planet
11.99R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | TOI-892 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 11.99 | 11.21 |
| Mass (M⊕) | 1.00 | 301.94 | 317.83 |
| Density (g/cm³) | 5.51 | 0.96 | 1.33 |
| Surface Gravity (g) | 1.00 | 2.10 | 2.53 |
| Insolation (S⊕) | 1.00 | 571.01 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 301.939 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 66561343
Gaia DR2
Gaia DR2 3010759262610139776
Gaia DR3
Gaia DR3 3010759262610139776
System
TOI-892
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 10.63 Earth days (2.9% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0920 AU.
Transit Fingerprint
Depth
0.753 %
Duration
5.415 h
Impact parameter b
0.430
Rp / R★
0.079000
Transit midpoint (BJD)
2,458,475.6890
Photometric dip
Transit produces a flux drop of 7,530 ppm lasting ≈ 5.42 h.
Extended Orbital Architecture
Planet / star radius ratio
0.079000
Semi-major axis / stellar radius
14.200
Impact parameter (b)
0.430
RV semi-amplitude (K)
74.000 m/s
Transit mid-time (BJD)
2,458,475.6890
Sky-projected obliquity (λ)
-12.00°
Angular separation (arcsec)
0.27000
Eq. Temperature
1,397K
(1124 °C)
Insolation (S⊕)
571.01
Earth = 1.00
Earth Similarity (ESI)
0.102
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
Brahm et al. 2020Instrument
TESS CCD Array
Publication
2020-11
Observation locale
Space
Discovery cohort
Planets confirmed in 2020 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-892
Spectral Class
F-type yellow-white
Effective Temperature
6,261 K — hotter than the Sun (5,778 K)
Estimated Age
2.20 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.390 R☉
Stellar Mass
1.280 M☉
Metallicity [Fe/H]
0.24
Extended Stellar Properties
Surface gravity (log g)
4.260 dex
Stellar density
0.482 g/cm³
Systemic radial velocity
41.10 km/s
Rotational v·sin i
7.69 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
2.908 mas
Total Proper Motion
5.968 mas/yr
PM Right Ascension
-0.14 mas/yr
PM Declination
5.97 mas/yr
Galactic Cartesian (pc)
x = 0.056 · y = 0.979 · z = -0.195
Equatorial (J2000)
RA 86.73823° · Dec -11.23534°
Galactic ℓ, b
215.922° · -19.344°
Ecliptic λ, β
86.107° · -34.631°
HTM-20 index
-1867551411
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