Key parameters at a glance
- A radius of 12.80 Earth radii
- A mass of 1,630.78 Earth masses
- Surface gravity around 9.95 g
- An orbital period of 17,071.780 days
- Semi-major axis 12.6880 AU
- Distance from Earth 164.41 light-years
- Earth Similarity Index 0.432
- Travel time at Voyager 1 speed 2,899,422 years
1 sibling around HD 73267
HD 73267 c shares its host star with 1 other confirmed planet. Side-by-side measurements below.
| Planet | Type | Radius (R⊕) | Mass (M⊕) | Period (d) | Eq. T (K) | Year |
|---|---|---|---|---|---|---|
| HD 73267 b | Gas Giant | 13.00 | 1,321.53 | 1,257.992 | — | 2008 |
| HD 73267 c this | Gas Giant | 12.80 | 1,630.78 | 17,071.780 | — | 2022 |
HD 73267 c Planet Profile
Physical Specs
Classification
Planet Type
Gas Giant
Discovery
Size rank in cohort
Rank by radius
#1063of 1771
top 60.0%
This planet
12.80R⊕
Gas Giant median
13.52R⊕
Nearest-size peers
| Metric | Earth | HD 73267 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 12.80 | 11.21 |
| Mass (M⊕) | 1.00 | 1,630.78 | 317.83 |
| Density (g/cm³) | 5.51 | 4.27 | 1.33 |
| Surface Gravity (g) | 1.00 | 9.95 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Best measured mass | 1,630.778 M⊕ | Direct mass measurement (not derived). |
| Minimum mass (M sin i) | 1,274.492 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 73267
HIP
HIP 42202
TIC
TIC 11749208
Gaia DR2
Gaia DR2 5638825939745228544
Gaia DR3
Gaia DR3 5638825939745228544
System
HD 73267
Percentile among Gas Giant cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts about 46.74 Earth years on a nearly circular orbit at a mean orbital distance of 12.6880 AU.
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.432
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
Feng et al. 2022Instrument
Multiple Instruments
Publication
2022-09
Observation locale
Ground
Discovery cohort
Planets confirmed in 2022 at Multiple Observatories (12 shown).
Host System: HD 73267
Spectral Class
K-type orange
Effective Temperature
5,387 K — cooler than the Sun (5,778 K)
Estimated Age
8.14 Gyr — older than the Sun (4.6 Gyr)
Stellar Radius
0.909 R☉
Stellar Mass
0.930 M☉
Metallicity [Fe/H]
0.03
Extended Stellar Properties
Surface gravity (log g)
4.447 dex
Stellar density
1.601 g/cm³
Systemic radial velocity
51.92 km/s
Rotational v·sin i
1.65 km/s
Rotation period
43.00 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
19.809 mas
Total Proper Motion
162.720 mas/yr
PM Right Ascension
-106.23 mas/yr
PM Declination
123.26 mas/yr
Galactic Cartesian (pc)
x = -0.520 · y = 0.640 · z = -0.566
Equatorial (J2000)
RA 129.07351° · Dec -34.45945°
Galactic ℓ, b
255.086° · 3.792°
Ecliptic λ, β
145.121° · -50.692°
HTM-20 index
-2054960447
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