Key parameters at a glance
- A radius of 12.44 Earth radii
- A mass of 4,195.33 Earth masses
- Surface gravity around 27.10 g
- Semi-major axis 27.0000 AU
- Equilibrium temperature 1,255 K (982 °C)
- Distance from Earth 110.92 light-years
- Earth Similarity Index 0.114
- Travel time at Voyager 1 speed 1,956,007 years
HR 2562 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1287of 1771
top 72.6%
This planet
12.44R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HR 2562 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.44 | 11.21 |
| Mass (M⊕) | 1.00 | 4,195.33 | 317.83 |
| Density (g/cm³) | 5.51 | 12.00 | 1.33 |
| Surface Gravity (g) | 1.00 | 27.10 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 4,195.335 M⊕ | Direct mass measurement (not derived). |
Star Catalogue Identifiers
HD
HD 50571
HIP
HIP 32775
TIC
TIC 167656187
Gaia DR2
Gaia DR2 5480006192386819456
Gaia DR3
Gaia DR3 5480006192386819456
System
HR 2562
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
Orbital period for this planet has not yet been measured.
Eq. Temperature
1,255K
(982 °C)
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.114
0 = alien, 1 = Earth-identical
Insufficient insolation data — the dayside is scorched.
Discovery Paper
Primary reference
Konopacky et al. 2016Instrument
Gemini Planet Imager
Publication
2016-09
Observation locale
Ground
Host System: HR 2562
Spectral Class
F-type yellow-white
Effective Temperature
6,597 K — hotter than the Sun (5,778 K)
Estimated Age
0.50 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
1.334 R☉
Stellar Mass
1.368 M☉
Metallicity [Fe/H]
0.10
Extended Stellar Properties
Surface gravity (log g)
4.300 dex
Stellar density
0.703 g/cm³
Systemic radial velocity
26.69 km/s
Rotational v·sin i
43.51 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
29.377 mas
Total Proper Motion
108.477 mas/yr
PM Right Ascension
4.66 mas/yr
PM Declination
108.38 mas/yr
Galactic Cartesian (pc)
x = -0.107 · y = 0.484 · z = -0.868
Equatorial (J2000)
RA 102.50427° · Dec -60.24868°
Galactic ℓ, b
270.175° · -23.492°
Ecliptic λ, β
137.296° · -81.593°
HTM-20 index
-2144904250
Similar Worlds
WASP-186 b
Gas Giant · F-type yellow-white
Radius 12.44 R⊕ · 908.4 ly
KELT-1 b
Gas Giant · F-type yellow-white
Radius 12.44 R⊕ · 875.5 ly
TOI-4791 b
Gas Giant · F-type yellow-white
Radius 12.44 R⊕ · 1,072.4 ly
Kepler-1514 b
Gas Giant · F-type yellow-white
Radius 12.42 R⊕ · 1,295.8 ly
TOI-5350 b
Gas Giant · F-type yellow-white
Radius 12.42 R⊕ · 904.8 ly
HD 106906 b
Gas Giant · F-type yellow-white
Radius 12.40 R⊕ · 336.0 ly