Key parameters at a glance
- A radius of 12.70 Earth radii
- A mass of 2,034.11 Earth masses
- Surface gravity around 12.61 g
- An orbital period of 481.900 days
- Semi-major axis 1.3000 AU
- Distance from Earth 3,491.92 light-years
- Earth Similarity Index 0.442
- Travel time at Voyager 1 speed 61,580,076 years
BD+03 2562 b Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1130of 1771
top 63.7%
This planet
12.70R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | BD+03 2562 b | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.70 | 11.21 |
| Mass (M⊕) | 1.00 | 2,034.11 | 317.83 |
| Density (g/cm³) | 5.51 | 5.46 | 1.33 |
| Surface Gravity (g) | 1.00 | 12.61 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 2,034.112 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
TIC
TIC 366659915
Gaia DR2
Gaia DR2 3895649725336884736
Gaia DR3
Gaia DR3 3895649725336884736
System
BD+03 2562
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 1.32 Earth years on a mildly elliptical path at a mean orbital distance of 1.3000 AU.
Extended Orbital Architecture
Semi-major axis / stellar radius
8.640
RV semi-amplitude (K)
155.700 m/s
Long. of periastron (ω)
218.00°
Angular separation (arcsec)
1.21000
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.442
0 = alien, 1 = Earth-identical
Discovery Paper
Primary reference
Villaver et al. 2017Instrument
Multiple Instruments
Publication
2017-10
Observation locale
Ground
Discovery cohort
Planets confirmed in 2017 at Multiple Observatories (12 shown).
Host System: BD+03 2562
Spectral Class
K-type orange
Effective Temperature
4,095 K — cooler than the Sun (5,778 K)
Estimated Age
5.20 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
32.350 R☉
Stellar Mass
1.140 M☉
Metallicity [Fe/H]
-0.71
Extended Stellar Properties
Surface gravity (log g)
1.890 dex
Systemic radial velocity
50.88 km/s
Rotational v·sin i
2.70 km/s
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 16 bands
Astrometric Data
Parallax
0.903 mas
Total Proper Motion
17.929 mas/yr
PM Right Ascension
-17.58 mas/yr
PM Declination
-3.52 mas/yr
Galactic Cartesian (pc)
x = -0.998 · y = 0.042 · z = 0.048
Equatorial (J2000)
RA 177.56473° · Dec 2.76011°
Galactic ℓ, b
269.325° · 61.573°
Ecliptic λ, β
176.664° · 1.564°
HTM-20 index
-1035627570
Similar Worlds
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Radius 12.70 R⊕ · 130.1 ly
HD 27894 d
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HIP 56640 b
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eps CrB b
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HIP 67851 c
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Radius 12.70 R⊕ · 209.1 ly
HD 113996 b
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