Key parameters at a glance
- A radius of 16.41 Earth radii
- A mass of 388.39 Earth masses
- Surface gravity around 1.44 g
- An orbital period of 1.821 days
- Semi-major axis 0.0320 AU
- Equilibrium temperature 2,037 K (1764 °C)
- Distance from Earth 1,678.25 light-years
- Earth Similarity Index 0.053
- Travel time at Voyager 1 speed 29,595,972 years
HATS-35 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#137of 1771
top 7.7%
This planet
16.41R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HATS-35 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 16.41 | 11.21 |
| Mass (M⊕) | 1.00 | 388.39 | 317.83 |
| Density (g/cm³) | 5.51 | 0.48 | 1.33 |
| Surface Gravity (g) | 1.00 | 1.44 | 2.53 |
| Insolation (S⊕) | 1.00 | 2,440.70 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 388.388 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 339522221
Gaia DR2
Gaia DR2 6441034841743467776
Gaia DR3
Gaia DR3 6441034841743467776
System
HATS-35
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 1.82 Earth days (0.5% of a terrestrial year) on a highly eccentric trajectory at a mean orbital distance of 0.0320 AU.
Transit Fingerprint
Depth
1.234 %
Duration
3.118 h
Impact parameter b
0.260
Rp / R★
0.105100
Transit midpoint (BJD)
2,456,981.8020
Photometric dip
Transit produces a flux drop of 12,340 ppm lasting ≈ 3.12 h.
Extended Orbital Architecture
Planet / star radius ratio
0.105100
Semi-major axis / stellar radius
4.790
Impact parameter (b)
0.260
RV semi-amplitude (K)
170.000 m/s
Transit mid-time (BJD)
2,456,981.8020
Angular separation (arcsec)
0.06220
Eq. Temperature
2,037K
(1764 °C)
Insolation (S⊕)
2,440.70
Earth = 1.00
Earth Similarity (ESI)
0.053
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
De Val Borro et al. 2016Instrument
Apogee 4K CCD Sensor
Publication
2016-12
Observation locale
Ground
Discovery cohort
Planets confirmed in 2016 at HATSouth (12 shown).
Host System: HATS-35
Spectral Class
F-type yellow-white
Effective Temperature
6,300 K — hotter than the Sun (5,778 K)
Estimated Age
2.13 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.433 R☉
Stellar Mass
1.317 M☉
Metallicity [Fe/H]
0.21
Extended Stellar Properties
Surface gravity (log g)
4.244 dex
Stellar density
0.628 g/cm³
Systemic radial velocity
-14.18 km/s
Rotational v·sin i
8.66 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
1.916 mas
Total Proper Motion
23.244 mas/yr
PM Right Ascension
19.41 mas/yr
PM Declination
-12.80 mas/yr
Galactic Cartesian (pc)
x = 0.200 · y = -0.398 · z = -0.895
Equatorial (J2000)
RA 296.68844° · Dec -63.56565°
Galactic ℓ, b
332.942° · -30.199°
Ecliptic λ, β
285.493° · -41.555°
HTM-20 index
253302894
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