Key parameters at a glance

A radius of 1.94 Earth radii
A mass of 3.90 Earth masses
Surface gravity around 1.04 g
An orbital period of 30.793 days
Semi-major axis 0.1785 AU
Equilibrium temperature 533 K (260 °C)
Distance from Earth 104.89 light-years
Earth Similarity Index 0.460
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 e 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 this	Super-Earth	1.94	3.90	30.793	533	2023
HD 110067 f	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 e Planet Profile

Physical Specs

Radius

1.94 R⊕

Radius (Jupiter)

0.173 R♃

Mass

3.90 M⊕

Mass (Jupiter)

0.012 M♃

Density

— g/cm³

Surface Gravity

1.04 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.460

HZ Position Unknown

Controversial No

Discovery

Year 2023

Method Transit

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#79of 1176

top 6.6%

This planet

1.94R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-1348 b 1.94 R⊕ Kepler-804 b 1.94 R⊕ Kepler-83 d 1.94 R⊕

Metric	Earth	HD 110067 e	Jupiter
Radius (R⊕)	1.00	1.94	11.21
Mass (M⊕)	1.00	3.90	317.83
Density (g/cm³)	5.51	—	1.33
Surface Gravity (g)	1.00	1.04	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Best measured mass	3.900 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 Super-Earth cohort

Radius 1.940 R⊕ · percentile 93 / cohort 1176

Mass 3.900 M⊕ · percentile 71 / cohort 1176

Orbital period 30.79 d · percentile 92 / cohort 1164

Distance 32.16 pc · percentile 7 / cohort 1171

ESI 0.460 · percentile 69 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period

30.793 days

Semi-major axis

0.1785 AU

Eccentricity

—

Inclination

89.87 °

Year Length

A year here lasts approximately 30.79 Earth days (8.4% of a terrestrial year) at a mean orbital distance of 0.1785 AU.

Transit Fingerprint

Duration

4.864 h

Impact parameter b

0.113

Rp / R★

0.022600

Transit midpoint (BJD)

2,459,646.0919

Extended Orbital Architecture

Planet / star radius ratio

0.022600

Semi-major axis / stellar radius

48.770

Impact parameter (b)

0.113

RV semi-amplitude (K)

0.800 m/s

Transit mid-time (BJD)

2,459,646.0919

Angular separation (arcsec)

5.55000

Eq. Temperature

533K

(260 °C)

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.460

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.

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 f · Sub-Neptune 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

Kepler-1384 b

Super-Earth · K-type orange

Radius 1.94 R⊕ · 2,015.6 ly

Kepler-1600 c

Super-Earth · K-type orange

Radius 1.94 R⊕ · 3,362.0 ly

TOI-1739 b

Super-Earth · K-type orange

Radius 1.95 R⊕ · 231.5 ly

K2-368 d

Super-Earth · K-type orange

Radius 1.95 R⊕ · 673.9 ly

K2-49 b

Super-Earth · K-type orange

Radius 1.93 R⊕ · 1,490.9 ly

Kepler-298 c

Super-Earth · K-type orange

Radius 1.93 R⊕ · 1,690.2 ly

Explore Related Categories

Super-Earth Planets Transit Discoveries Multiple Observatories Mission K-type orange Hosts