Key parameters at a glance
- A radius of 3.69 Earth radii
- A mass of 13.20 Earth masses
- Surface gravity around 0.97 g
- An orbital period of 13.899 days
- Semi-major axis 0.1058 AU
- Distance from Earth 66.42 light-years
- Earth Similarity Index 0.570
- Travel time at Voyager 1 speed 1,171,243 years
- Almost certainly tidally locked to its host star given the close orbit
Context from the literature
HD 104067 is a star with a planetary system in the southern constellation of Corvus. It has an apparent visual magnitude of 7.92 which is too faint to be visible with the naked eye. The distance to this star is 66.4 light-years based on parallax. It is drifting further away with a radial velocity of +15 km/s.
Excerpted from Wikipedia · full article
1 sibling around HD 104067
HD 104067 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 104067 c this | Sub-Neptune | 3.69 | 13.20 | 13.899 | — | 2024 |
| HD 104067 b | Neptune-like | 9.20 | 62.10 | 55.851 | — | 2009 |
HD 104067 c Planet Profile
Physical Specs
Classification
Planet Type
Sub-Neptune
Discovery
Size rank in cohort
Rank by radius
#92of 1978
top 4.6%
This planet
3.69R⊕
Sub-Neptune median
2.71R⊕
Nearest-size peers
| Metric | Earth | HD 104067 c | Jupiter |
|---|---|---|---|
| Radius (R⊕) | 1.00 | 3.69 | 11.21 |
| Mass (M⊕) | 1.00 | 13.20 | 317.83 |
| Density (g/cm³) | 5.51 | 1.44 | 1.33 |
| Surface Gravity (g) | 1.00 | 0.97 | 2.53 |
| Insolation (S⊕) | 1.00 | — | 0.037 |
Alternative Mass Estimates
| Method | Value | Interpretation |
|---|---|---|
| Minimum mass (M sin i) | 13.200 M⊕ | Lower bound from radial-velocity fitting. |
Star Catalogue Identifiers
HD
HD 104067
HIP
HIP 58451
TIC
TIC 428673146
Gaia DR2
Gaia DR2 3494677900774838144
Gaia DR3
Gaia DR3 3494677900774838144
System
HD 104067
Percentile among Sub-Neptune cohort
Orbit & Habitability
Orbital Dynamics
Year Length
A year here lasts approximately 13.90 Earth days (3.8% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.1058 AU.
Extended Orbital Architecture
RV semi-amplitude (K)
4.250 m/s
Transit mid-time (BJD)
2,455,192.9000
Long. of periastron (ω)
37.00°
Angular separation (arcsec)
5.20000
Eq. Temperature
—
Insolation (S⊕)
—
Earth = 1.00
Earth Similarity (ESI)
0.570
0 = alien, 1 = Earth-identical
Insufficient insolation data. Close-orbiting tidally-locked around a cool host.
Discovery Paper
Primary reference
Kane et al. 2024Instrument
Multiple Instruments
Publication
2024-03
Observation locale
Ground
Discovery cohort
Planets confirmed in 2024 at Multiple Observatories (12 shown).
Host System: HD 104067
Spectral Class
K-type orange
Effective Temperature
4,952 K — cooler than the Sun (5,778 K)
Estimated Age
4.33 Gyr — younger than the Sun (4.6 Gyr)
Stellar Radius
0.780 R☉
Stellar Mass
0.820 M☉
Metallicity [Fe/H]
0.11
Extended Stellar Properties
Surface gravity (log g)
4.560 dex
Stellar density
2.626 g/cm³
Systemic radial velocity
15.12 km/s
Rotational v·sin i
2.32 km/s
Rotation period
18.30 days
Metallicity ratio
[Fe/H]
Multi-band Host Photometry — 11 bands
Astrometric Data
Parallax
49.079 mas
Total Proper Motion
447.021 mas/yr
PM Right Ascension
141.87 mas/yr
PM Declination
-423.91 mas/yr
Galactic Cartesian (pc)
x = -0.938 · y = 0.003 · z = -0.348
Equatorial (J2000)
RA 179.79235° · Dec -20.35561°
Galactic ℓ, b
286.656° · 40.858°
Ecliptic λ, β
188.205° · -18.693°
HTM-20 index
501128701
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