Key parameters at a glance
- A radius of 13.10 Earth radii
- A mass of 1,086.97 Earth masses
- Surface gravity around 6.33 g
- An orbital period of 2,615.000 days
- Semi-major axis 3.9000 AU
- Distance from Earth 329.96 light-years
- Earth Similarity Index 0.406
- Travel time at Voyager 1 speed 5,818,826 years
HD 112570 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#910of 1771
top 51.3%
This planet
13.10R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HD 112570 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 13.10 | 11.21 |
| Mass (M⊕) | 1.00 | 1,086.97 | 317.83 |
| Density (g/cm³) | 5.51 | 2.66 | 1.33 |
| Surface Gravity (g) | 1.00 | 6.33 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,086.973 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 832.710 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 112570
HIP
HIP 63211
TIC
TIC 137004295
Gaia DR2
Gaia DR2 1530780980575704704
Gaia DR3
Gaia DR3 1530780980576364032
System
HD 112570
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 7.16 Earth years on a mildly elliptical path at a mean orbital distance of 3.9000 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.406
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
Xiao et al. 2023Instrument
Multiple Instruments
Publication
2023-12
Observation locale
Multiple Locales
Discovery cohort
Planets confirmed in 2023 at Multiple Observatories (12 shown).
Host System: HD 112570
Spectral Class
K-type orange
Effective Temperature
4,750 K — cooler than the Sun (5,778 K)
Estimated Age
5.45 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
9.850 R☉
Stellar Mass
1.150 M☉
Metallicity [Fe/H]
-0.40
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
9.856 mas
Total Proper Motion
53.729 mas/yr
PM Right Ascension
-8.88 mas/yr
PM Declination
-52.99 mas/yr
Galactic Cartesian (pc)
x = -0.671 · y = -0.171 · z = 0.721
Equatorial (J2000)
RA 194.28243° · Dec 46.17656°
Galactic ℓ, b
119.917° · 70.918°
Ecliptic λ, β
169.011° · 46.877°
HTM-20 index
-1558164432
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