Key parameters at a glance
- A radius of 1.62 Earth radii
- A mass of 3.48 Earth masses
- Surface gravity around 1.33 g
- An orbital period of 1.070 days
- Semi-major axis 0.0190 AU
- Equilibrium temperature 1,517 K (1244 °C)
- Distance from Earth 179.43 light-years
- Earth Similarity Index 0.183
- Travel time at Voyager 1 speed 3,164,245 years
TOI-1416 b Planet Profile
Physical Specs
Classification
Planet Type
Super-Earth
Discovery
Size rank in cohort
Rank by radius
#532of 1176
top 45.2%
This planet
1.62R⊕
Super-Earth median
1.60R⊕
Nearest-size peers
| Metric | Earth | TOI-1416 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 1.62 | 11.21 |
| Mass (M⊕) | 1.00 | 3.48 | 317.83 |
| Density (g/cm³) | 5.51 | 4.50 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.33 | 2.53 |
| Insolation (S⊕) | 1.00 | 883.00 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 3.480 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
HIP
HIP 70705
TIC
TIC 158025009
Gaia DR2
Gaia DR2 1491634483976350720
Gaia DR3
Gaia DR3 1491634483976350720
System
TOI-1416
Percentile among Super-Earth cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.07 Earth days (0.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0190 AU.
Transit Fingerprint
Depth
0.046 %
Duration
1.500 h
Impact parameter b
0.390
Rp / R★
0.018730
Transit midpoint (BJD)
2,458,739.4621
Photometric dip
Transit produces a flux drop of 455 ppm lasting ≈ 1.50 h.
Extended Orbital Architecture
Planet / star radius ratio
0.018730
Semi-major axis / stellar radius
5.140
Impact parameter (b)
0.390
RV semi-amplitude (K)
2.520 m/s
Transit mid-time (BJD)
2,458,739.4621
Angular separation (arcsec)
0.34500
Eq. Temperature
1,517K
(1244 °C)
Insolation (S⊕)
883.00
Earth = 1.00
Earth Similarity (ESI)
0.183
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
Deeg et al. 2023Instrument
TESS CCD Array
Publication
2023-05
Observation locale
Space
Discovery cohort
Planets confirmed in 2023 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).
Host System: TOI-1416
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
4,884 K — cooler than the Sun (5,778 K)
Estimated Age
6.90 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.793 R☉
Stellar Mass
0.798 M☉
Metallicity [Fe/H]
0.08
Extended Stellar Properties
Surface gravity (log g)
4.520 dex
Stellar density
2.310 g/cm³
Systemic radial velocity
1.17 km/s
Rotational v·sin i
2.00 km/s
Rotation period
17.60 days
Activity index (log R'HK)
-4.860
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
18.148 mas
Total Proper Motion
137.030 mas/yr
PM Right Ascension
-92.34 mas/yr
PM Declination
-101.25 mas/yr
Galactic Cartesian (pc)
x = -0.595 · y = -0.447 · z = 0.669
Equatorial (J2000)
RA 216.92349° · Dec 41.95299°
Galactic ℓ, b
76.189° · 65.394°
Ecliptic λ, β
193.610° · 52.286°
HTM-20 index
726334144
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