Key parameters at a glance

A radius of 2.60 Earth radii
A mass of 5.04 Earth masses
Surface gravity around 0.74 g
An orbital period of 41.059 days
Semi-major axis 0.2163 AU
Equilibrium temperature 489 K (216 °C)
Distance from Earth 104.89 light-years
Earth Similarity Index 0.472
Travel time at Voyager 1 speed 1,849,680 years
Almost certainly tidally locked to its host star given the close orbit

Context from the literature

HD 110067 is a star with six known sub-Neptune exoplanets with radii ranging from 1.94 R🜨 to 2.85 R🜨. The planets orbit the host star in a rhythmic orbital resonance. The star, and related planetary system, is located 105 light-years away in the constellation Coma Berenices.

Excerpted from Wikipedia · full article

5 siblings around HD 110067

HD 110067 f shares its host star with 5 other confirmed planets. Side-by-side measurements below.

Planet	Type	Radius (R⊕)	Mass (M⊕)	Period (d)	Eq. T (K)	Year
HD 110067 b	Sub-Neptune	2.20	5.69	9.114	800	2023
HD 110067 c	Sub-Neptune	2.39	6.30	13.674	699	2023
HD 110067 d	Sub-Neptune	2.85	8.52	20.520	602	2023
HD 110067 e	Super-Earth	1.94	3.90	30.793	533	2023
HD 110067 f this	Sub-Neptune	2.60	5.04	41.059	489	2023
HD 110067 g	Sub-Neptune	2.61	8.40	54.770	440	2023

HD 110067 f Planet Profile

Physical Specs

Radius

2.60 R⊕

Radius (Jupiter)

0.232 R♃

Mass

5.04 M⊕

Mass (Jupiter)

0.016 M♃

Density

1.57 g/cm³

Surface Gravity

0.74 g (Earth)

Classification

Planet Type

Sub-Neptune

ESI Score 0.472

HZ Position Unknown

Controversial No

Discovery

Year 2023

Method Transit

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1016of 1978

top 51.3%

This planet

2.60R⊕

Sub-Neptune median

2.71R⊕

Nearest-size peers

K2-155 c 2.60 R⊕ Kepler-84 e 2.60 R⊕ Kepler-115 c 2.60 R⊕

Metric	Earth	HD 110067 f	Jupiter
Radius (R⊕)	1.00	2.60	11.21
Mass (M⊕)	1.00	5.04	317.83
Density (g/cm³)	5.51	1.57	1.33
Surface Gravity (g)	1.00	0.74	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	5.040 M⊕	Direct mass measurement (not derived).

Star Catalogue Identifiers

HD 110067

TIC

TIC 347332255

Gaia DR2

Gaia DR2 3948424496764080640

Gaia DR3

Gaia DR3 3948424496764080640

System

HD 110067

Percentile among Sub-Neptune cohort

Radius 2.601 R⊕ · percentile 49 / cohort 1978

Mass 5.040 M⊕ · percentile 9 / cohort 1978

Orbital period 41.06 d · percentile 81 / cohort 1946

Distance 32.16 pc · percentile 8 / cohort 1975

ESI 0.472 · percentile 66 / cohort 1978

Orbit & Habitability

Orbital Dynamics

Period

41.059 days

Semi-major axis

0.2163 AU

Eccentricity

—

Inclination

89.67 °

Year Length

A year here lasts approximately 41.06 Earth days (11.2% of a terrestrial year) at a mean orbital distance of 0.2163 AU.

Transit Fingerprint

Duration

5.165 h

Impact parameter b

0.337

Rp / R★

0.030260

Transit midpoint (BJD)

2,459,641.5763

Extended Orbital Architecture

Planet / star radius ratio

0.030260

Semi-major axis / stellar radius

59.080

Impact parameter (b)

0.337

RV semi-amplitude (K)

1.090 m/s

Transit mid-time (BJD)

2,459,641.5763

Angular separation (arcsec)

6.73000

Eq. Temperature

489K

(216 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.472

0 = alien, 1 = Earth-identical

Insufficient insolation data — the surface is too hot to retain surface water. Close-orbiting tidally-locked around a cool host.

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Luque et al. 2023

Instrument

Multiple Instruments

Publication

2023-11

Observation locale

Multiple Locales

Discovery cohort

Planets confirmed in 2023 at Multiple Observatories (12 shown).

AU Mic d · Rocky Terrestrial DMPP-4 b · Sub-Neptune HD 110067 g · Sub-Neptune GJ 806 c · Sub-Neptune HD 110067 e · Super-Earth TIC 279401253 c · Gas Giant HD 112570 b · Gas Giant HD 110067 d · Sub-Neptune HD 154391 b · Gas Giant HAT-P-2 c · Gas Giant HD 110067 b · Sub-Neptune HD 110067 c · Sub-Neptune

Host System: HD 110067

Spectral Class

K-type orange

Effective Temperature

5,266 K — cooler than the Sun (5,778 K)

Estimated Age

8.10 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.788 R☉

Stellar Mass

0.798 M☉

Metallicity [Fe/H]

-0.20

Extended Stellar Properties

Surface gravity (log g)

4.540 dex

Stellar density

2.678 g/cm³

Rotational v·sin i

2.50 km/s

Metallicity ratio

[Fe/H]

Distance

32.16 parsec

Light-years 104.89 ly

V-band magnitude

8.42 mag

Voyager-speed travel 1,849,680 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

31.067 mas

Total Proper Motion

132.876 mas/yr

PM Right Ascension

-81.96 mas/yr

PM Declination

-104.59 mas/yr

Galactic Cartesian (pc)

x = -0.926 · y = -0.161 · z = 0.342

Equatorial (J2000)

RA 189.83922° · Dec 20.02734°

Galactic ℓ, b

281.013° · 82.380°

Ecliptic λ, β

180.682° · 22.214°

HTM-20 index

325705678

Wikipedia →

Similar Worlds

K2-155 c

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 237.4 ly

Kepler-505 b

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 924.4 ly

K2-90 b

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 437.7 ly

HD 48948 c

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 55.1 ly

Kepler-1362 b

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 2,385.2 ly

Kepler-665 b

Sub-Neptune · K-type orange

Radius 2.60 R⊕ · 1,998.8 ly

Explore Related Categories

Sub-Neptune Planets Transit Discoveries Multiple Observatories Mission K-type orange Hosts