Key parameters at a glance
- A radius of 15.92 Earth radii
- A mass of 1,093.34 Earth masses
- Surface gravity around 4.32 g
- An orbital period of 4.628 days
- Semi-major axis 0.0596 AU
- Equilibrium temperature 1,624 K (1351 °C)
- Distance from Earth 726.23 light-years
- Earth Similarity Index 0.085
- Travel time at Voyager 1 speed 12,807,043 years
HAT-P-14 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#166of 1771
top 9.3%
This planet
15.92R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HAT-P-14 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 15.92 | 11.21 |
| Mass (M⊕) | 1.00 | 1,093.34 | 317.83 |
| Density (g/cm³) | 5.51 | 1.56 | 1.33 |
| Surface Gravity (g) | 1.00 | 4.32 | 2.53 |
| Insolation (S⊕) | 1.00 | 1,038.78 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,093.335 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 101721385
Gaia DR2
Gaia DR2 1340497608486742400
Gaia DR3
Gaia DR3 1340497608486742400
System
HAT-P-14
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 4.63 Earth days (1.3% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0596 AU.
Transit Fingerprint
Depth
0.650 %
Duration
2.189 h
Impact parameter b
0.907
Rp / R★
0.079300
Transit midpoint (BJD)
2,457,304.8128
Photometric dip
Transit produces a flux drop of 6,500 ppm lasting ≈ 2.19 h.
Extended Orbital Architecture
Planet / star radius ratio
0.079300
Semi-major axis / stellar radius
8.900
Impact parameter (b)
0.907
RV semi-amplitude (K)
219.000 m/s
Transit mid-time (BJD)
2,457,304.8128
Long. of periastron (ω)
106.10°
Sky-projected obliquity (λ)
189.10°
Angular separation (arcsec)
0.26800
Eq. Temperature
1,624K
(1351 °C)
Insolation (S⊕)
1,038.78
Earth = 1.00
Earth Similarity (ESI)
0.085
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
Torres et al. 2010Instrument
2K CCD Sensor
Publication
2010-05
Observation locale
Ground
Discovery cohort
Planets confirmed in 2010 at HATNet (12 shown).
Host System: HAT-P-14
Spectral Class
F-type yellow-white
Effective Temperature
6,600 K — hotter than the Sun (5,778 K)
Estimated Age
1.60 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.820 R☉
Stellar Mass
2.650 M☉
Metallicity [Fe/H]
0.11
Extended Stellar Properties
Surface gravity (log g)
4.250 dex
Stellar density
0.620 g/cm³
Systemic radial velocity
-20.81 km/s
Rotational v·sin i
8.18 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
4.462 mas
Total Proper Motion
7.078 mas/yr
PM Right Ascension
2.24 mas/yr
PM Declination
-6.71 mas/yr
Galactic Cartesian (pc)
x = -0.135 · y = -0.774 · z = 0.619
Equatorial (J2000)
RA 260.11617° · Dec 38.24217°
Galactic ℓ, b
62.589° · 33.538°
Ecliptic λ, β
253.784° · 61.126°
HTM-20 index
-1779214854
Observation Record
RV measurements
1
Transmission spectra
7
Archive notes
1
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