Key parameters at a glance
- A radius of 14.57 Earth radii
- A mass of 1,039.30 Earth masses
- Surface gravity around 4.89 g
- An orbital period of 2.687 days
- Semi-major axis 0.0374 AU
- Equilibrium temperature 1,592 K (1319 °C)
- Distance from Earth 2,469.14 light-years
- Earth Similarity Index 0.091
- Travel time at Voyager 1 speed 43,543,360 years
HATS-16 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#270of 1771
top 15.2%
This planet
14.57R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HATS-16 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 14.57 | 11.21 |
| Mass (M⊕) | 1.00 | 1,039.30 | 317.83 |
| Density (g/cm³) | 5.51 | 1.86 | 1.33 |
| Surface Gravity (g) | 1.00 | 4.89 | 2.53 |
| Insolation (S⊕) | 1.00 | 994.81 | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,039.304 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
TIC
TIC 77044471
Gaia DR2
Gaia DR2 2327000400367097984
Gaia DR3
Gaia DR3 2327000400367097984
System
HATS-16
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 2.69 Earth days (0.7% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0374 AU.
Transit Fingerprint
Depth
1.214 %
Duration
2.621 h
Impact parameter b
0.732
Rp / R★
0.107500
Transit midpoint (BJD)
2,456,824.7907
Photometric dip
Transit produces a flux drop of 12,135 ppm lasting ≈ 2.62 h.
Extended Orbital Architecture
Planet / star radius ratio
0.107500
Semi-major axis / stellar radius
6.500
Impact parameter (b)
0.732
RV semi-amplitude (K)
485.000 m/s
Transit mid-time (BJD)
2,456,824.7907
Angular separation (arcsec)
0.04950
Eq. Temperature
1,592K
(1319 °C)
Insolation (S⊕)
994.81
Earth = 1.00
Earth Similarity (ESI)
0.091
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
Ciceri et al. 2016Instrument
Apogee 4K CCD Sensor
Publication
2016-07
Observation locale
Ground
Discovery cohort
Planets confirmed in 2016 at HATSouth (12 shown).
Host System: HATS-16
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
5,738 K — cooler than the Sun (5,778 K)
Estimated Age
9.50 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
1.238 R☉
Stellar Mass
0.970 M☉
Metallicity [Fe/H]
-0.10
Extended Stellar Properties
Surface gravity (log g)
4.239 dex
Stellar density
0.720 g/cm³
Systemic radial velocity
31.59 km/s
Rotational v·sin i
6.17 km/s
Rotation period
12.35 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 14 bands
Astrometric Data
Parallax
1.292 mas
Total Proper Motion
20.426 mas/yr
PM Right Ascension
20.32 mas/yr
PM Declination
-2.07 mas/yr
Galactic Cartesian (pc)
x = 0.866 · y = -0.022 · z = -0.500
Equatorial (J2000)
RA 358.55884° · Dec -30.01304°
Galactic ℓ, b
16.628° · -77.123°
Ecliptic λ, β
345.802° · -26.760°
HTM-20 index
-457451703
Similar Worlds
WASP-35 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.57 R⊕ · 659.5 ly
K2-238 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.57 R⊕ · 1,754.6 ly
WASP-135 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.57 R⊕ · 972.6 ly
NGTS-16 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.57 R⊕ · 2,929.4 ly
HATS-1 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.59 R⊕ · 926.2 ly
Kepler-6 b
Gas Giant · G-type yellow (Sun-like)
Radius 14.62 R⊕ · 1,914.7 ly