Key parameters at a glance
- A radius of 12.30 Earth radii
- A mass of 4,309.12 Earth masses
- Surface gravity around 28.48 g
- An orbital period of 2,523.647 days
- Semi-major axis 4.8070 AU
- Distance from Earth 378.49 light-years
- Earth Similarity Index 0.342
- Travel time at Voyager 1 speed 6,674,688 years
HIP 67537 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1349of 1771
top 76.1%
This planet
12.30R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HIP 67537 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.30 | 11.21 |
| Mass (M⊕) | 1.00 | 4,309.12 | 317.83 |
| Density (g/cm³) | 5.51 | 12.70 | 1.33 |
| Surface Gravity (g) | 1.00 | 28.48 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 4,309.118 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 3,512.004 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 120457
HIP
HIP 67537
TIC
TIC 166526615
Gaia DR2
Gaia DR2 6114034246789494528
Gaia DR3
Gaia DR3 6114034246789494528
System
HIP 67537
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 6.91 Earth years on a highly eccentric trajectory at a mean orbital distance of 4.8070 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.342
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. 2017Instrument
Multiple Instruments
Publication
2017-06
Observation locale
Ground
Discovery cohort
Planets confirmed in 2017 at Multiple Observatories (12 shown).
Host System: HIP 67537
Spectral Class
K-type orange
Effective Temperature
4,985 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
8.690 R☉
Stellar Mass
2.316 M☉
Metallicity [Fe/H]
0.15
Extended Stellar Properties
Surface gravity (log g)
2.850 dex
Systemic radial velocity
-3.08 km/s
Rotational v·sin i
2.30 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
8.589 mas
Total Proper Motion
10.956 mas/yr
PM Right Ascension
4.96 mas/yr
PM Declination
-9.77 mas/yr
Galactic Cartesian (pc)
x = -0.680 · y = -0.355 · z = -0.641
Equatorial (J2000)
RA 207.58084° · Dec -39.90090°
Galactic ℓ, b
315.034° · 21.583°
Ecliptic λ, β
220.510° · -26.567°
HTM-20 index
1805472985
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