Key parameters at a glance

A radius of 9.13 Earth radii
A mass of 61.39 Earth masses
Surface gravity around 0.74 g
An orbital period of 4.984 days
Semi-major axis 0.0587 AU
Distance from Earth 330.68 light-years
Earth Similarity Index 0.325
Travel time at Voyager 1 speed 5,831,480 years

DMPP-7 b Planet Profile

Physical Specs

Radius

9.13 R⊕

Radius (Jupiter)

0.815 R♃

Mass

61.39 M⊕

Mass (Jupiter)

0.193 M♃

Density

0.44 g/cm³

Surface Gravity

0.74 g (Earth)

Classification

Planet Type

Neptune-like

ESI Score 0.325

HZ Position Unknown

Controversial No

Discovery

Year 2026

Method Radial Velocity

Facility Multiple Observatories

Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#76of 574

top 13.1%

This planet

9.13R⊕

Neptune-like median

6.39R⊕

Nearest-size peers

KMT-2021-BLG-1372L b 9.12 R⊕ K2-139 b 9.11 R⊕ NGTS-11 b 9.16 R⊕

Metric	Earth	DMPP-7 b	Jupiter
Radius (R⊕)	1.00	9.13	11.21
Mass (M⊕)	1.00	61.39	317.83
Density (g/cm³)	5.51	0.44	1.33
Surface Gravity (g)	1.00	0.74	2.53
Insolation (S⊕)	1.00	—	0.037

Alternative Mass Estimates

Method	Value	Interpretation
Minimum mass (M sin i)	61.390 M⊕	Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD 118006

HIP

HIP 66197

TIC

TIC 365158631

Gaia DR2

Gaia DR2 3663051957490779264

Gaia DR3

Gaia DR3 3663051957490779264

System

DMPP-7

Percentile among Neptune-like cohort

Radius 9.130 R⊕ · percentile 87 / cohort 574

Mass 61.390 M⊕ · percentile 79 / cohort 574

Orbital period 4.98 d · percentile 20 / cohort 524

Distance 101.39 pc · percentile 24 / cohort 572

ESI 0.325 · percentile 57 / cohort 574

Orbit & Habitability

Orbital Dynamics

Period

4.984 days

Semi-major axis

0.0587 AU

Eccentricity

0.100

Inclination

— °

Year Length

A year here lasts approximately 4.98 Earth days (1.4% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 0.0587 AU.

Eq. Temperature

—

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.325

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Standing et al. 2026

Instrument

Multiple Instruments

Publication

2026-02

Observation locale

Ground

Discovery cohort

Planets confirmed in 2026 at Multiple Observatories (12 shown).

DMPP-6 b · Sub-Neptune TOI-4336 A c · Super-Earth GJ 887 d · Sub-Neptune HD 176986 d · Sub-Neptune GJ 887 e · Rocky Terrestrial DMPP-6 c · Sub-Neptune DMPP-9 b · Sub-Neptune TOI-5789 d · Super-Earth TOI-5789 e · Sub-Neptune HD 85426 c · Sub-Neptune DMPP-2 c · Neptune-like TOI-375 d · Gas Giant

Host System: DMPP-7

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,997 K — hotter than the Sun (5,778 K)

Estimated Age

3.87 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.539 R☉

Stellar Mass

1.090 M☉

Metallicity [Fe/H]

—

Extended Stellar Properties

Surface gravity (log g)

4.170 dex

Stellar density

0.427 g/cm³

Systemic radial velocity

-36.65 km/s

Rotational v·sin i

3.04 km/s

Rotation period

19.80 days

Distance

101.39 parsec

Light-years 330.68 ly

V-band magnitude

8.79 mag

Voyager-speed travel 5,831,480 yr

Multi-band Host Photometry — 11 bands

Astrometric Data

Parallax

9.835 mas

Total Proper Motion

67.353 mas/yr

PM Right Ascension

-35.14 mas/yr

PM Declination

-57.46 mas/yr

Galactic Cartesian (pc)

x = -0.917 · y = -0.399 · z = 0.009

Equatorial (J2000)

RA 203.52847° · Dec 0.49881°

Galactic ℓ, b

325.735° · 61.467°

Ecliptic λ, β

201.585° · 9.600°

HTM-20 index

979858101