Key parameters at a glance
- A radius of 12.70 Earth radii
- A mass of 2,002.33 Earth masses
- Surface gravity around 12.41 g
- An orbital period of 610.200 days
- Semi-major axis 1.6000 AU
- Distance from Earth 379.43 light-years
- Earth Similarity Index 0.442
- Travel time at Voyager 1 speed 6,691,253 years
HD 113996 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1130of 1771
top 63.7%
This planet
12.70R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HD 113996 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.70 | 11.21 |
| Mass (M⊕) | 1.00 | 2,002.33 | 317.83 |
| Density (g/cm³) | 5.51 | 5.37 | 1.33 |
| Surface Gravity (g) | 1.00 | 12.41 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 2,002.329 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 113996
HIP
HIP 64022
TIC
TIC 328997091
Gaia DR2
Gaia DR2 1460876573902016768
Gaia DR3
Gaia DR3 1460876573902483328
System
HD 113996
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 1.67 Earth years on a mildly elliptical path at a mean orbital distance of 1.6000 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.442
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Jeong et al. 2018Instrument
BOES Echelle Spectrograph
Publication
2018-02
Observation locale
Ground
Host System: HD 113996
Spectral Class
K-type orange
Effective Temperature
4,181 K — cooler than the Sun (5,778 K)
Estimated Age
3.24 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
25.110 R☉
Stellar Mass
1.490 M☉
Metallicity [Fe/H]
0.13
Extended Stellar Properties
Surface gravity (log g)
1.860 dex
Systemic radial velocity
-15.72 km/s
Rotational v·sin i
3.30 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
8.595 mas
Total Proper Motion
78.932 mas/yr
PM Right Ascension
35.45 mas/yr
PM Declination
-70.52 mas/yr
Galactic Cartesian (pc)
x = -0.848 · y = -0.256 · z = 0.464
Equatorial (J2000)
RA 196.79487° · Dec 27.62444°
Galactic ℓ, b
41.915° · 86.470°
Ecliptic λ, β
183.400° · 31.820°
HTM-20 index
515182216
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