Key parameters at a glance
- A radius of 12.10 Earth radii
- A mass of 6,098.17 Earth masses
- Surface gravity around 41.65 g
- An orbital period of 1,062.265 days
- Semi-major axis 2.4910 AU
- Distance from Earth 333.58 light-years
- Earth Similarity Index 0.297
- Travel time at Voyager 1 speed 5,882,613 years
HIP 97233 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1454of 1771
top 82.0%
This planet
12.10R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HIP 97233 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.10 | 11.21 |
| Mass (M⊕) | 1.00 | 6,098.17 | 317.83 |
| Density (g/cm³) | 5.51 | 18.90 | 1.33 |
| Surface Gravity (g) | 1.00 | 41.65 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 6,098.174 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 6,356.300 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 186641
HIP
HIP 97233
TIC
TIC 251662732
Gaia DR2
Gaia DR2 4238527753544691712
Gaia DR3
Gaia DR3 4238527753544691712
System
HIP 97233
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 2.91 Earth years on a highly eccentric trajectory at a mean orbital distance of 2.4910 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.297
0 = alien, 1 = Earth-identical
Detection Signatures
Radial velocity
Stellar wobble has been measured spectroscopically.
Astrometry
Positional wobble of the host star was measured.
Discovery Paper
Primary reference
Jones et al. 2015Instrument
Multiple Instruments
Publication
2015-01
Observation locale
Ground
Discovery cohort
Planets confirmed in 2014 at Multiple Observatories (12 shown).
Host System: HIP 97233
Spectral Class
K-type orange
Effective Temperature
5,020 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
5.340 R☉
Stellar Mass
1.810 M☉
Metallicity [Fe/H]
0.29
Extended Stellar Properties
Surface gravity (log g)
3.260 dex
Systemic radial velocity
-63.46 km/s
Rotational v·sin i
2.20 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
9.749 mas
Total Proper Motion
63.569 mas/yr
PM Right Ascension
33.15 mas/yr
PM Declination
-54.24 mas/yr
Galactic Cartesian (pc)
x = 0.445 · y = -0.895 · z = -0.012
Equatorial (J2000)
RA 296.42212° · Dec -0.69688°
Galactic ℓ, b
38.578° · -12.371°
Ecliptic λ, β
298.294° · 20.184°
HTM-20 index
-1182838133
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