Key parameters at a glance
- A radius of 12.50 Earth radii
- A mass of 2,917.56 Earth masses
- Surface gravity around 18.67 g
- An orbital period of 124.600 days
- Semi-major axis 0.5650 AU
- Distance from Earth 510.29 light-years
- Earth Similarity Index 0.394
- Travel time at Voyager 1 speed 8,998,975 years
HIP 63242 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1235of 1771
top 69.7%
This planet
12.50R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HIP 63242 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.50 | 11.21 |
| Mass (M⊕) | 1.00 | 2,917.56 | 317.83 |
| Density (g/cm³) | 5.51 | 8.21 | 1.33 |
| Surface Gravity (g) | 1.00 | 18.67 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 2,917.560 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 112410
HIP
HIP 63242
TIC
TIC 437310271
Gaia DR2
Gaia DR2 5858576597131420288
Gaia DR3
Gaia DR3 5858576597131420288
System
HIP 63242
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 124.60 Earth days (34.1% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.5650 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.394
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Jones et al. 2013Instrument
Multiple Instruments
Publication
2013-08
Observation locale
Ground
Host System: HIP 63242
Spectral Class
G-type yellow (Sun-like)
Effective Temperature
4,830 K — cooler than the Sun (5,778 K)
Estimated Age
—
Stellar Radius
10.276 R☉
Stellar Mass
1.540 M☉
Metallicity [Fe/H]
-0.31
Extended Stellar Properties
Surface gravity (log g)
2.530 dex
Systemic radial velocity
72.82 km/s
Rotational v·sin i
3.70 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
6.363 mas
Total Proper Motion
72.568 mas/yr
PM Right Ascension
-65.49 mas/yr
PM Declination
31.27 mas/yr
Galactic Cartesian (pc)
x = -0.399 · y = -0.102 · z = -0.911
Equatorial (J2000)
RA 194.38248° · Dec -65.64633°
Galactic ℓ, b
303.561° · -2.782°
Ecliptic λ, β
228.801° · -52.665°
HTM-20 index
-2131112495
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