Confirmed Exoplanet Discovered 2026

HD 114386 c

A gas giant orbiting the k-type orange HD 114386, located approximately 91.1 light-years from Earth.

Key parameters at a glance

  • A radius of 13.40 Earth radii
  • A mass of 117.60 Earth masses
  • Surface gravity around 0.65 g
  • An orbital period of 444.000 days
  • Semi-major axis 1.0500 AU
  • Distance from Earth 91.08 light-years
  • Earth Similarity Index 0.251
  • Travel time at Voyager 1 speed 1,606,139 years

1 sibling around HD 114386

HD 114386 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 114386 c this Gas Giant 13.40 117.60 444.000 2026
HD 114386 b Gas Giant 13.60 464.03 937.700 2003

HD 114386 c Planet Profile

Physical Specs

Radius
13.40 R⊕
Radius (Jupiter)
1.200 R♃
Mass
117.60 M⊕
Mass (Jupiter)
0.370 M♃
Density
0.27 g/cm³
Surface Gravity
0.65 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.251
HZ Position Unknown
Controversial No

Discovery

Year 2026
Method Radial Velocity
Facility Las Campanas Observatory
Telescope 6.5 m Magellan II Clay Telescope

Size rank in cohort

Rank by radius

#730of 1771

top 41.2%

This planet

13.40R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth HD 114386 c Jupiter
Radius (R⊕)1.0013.4011.21
Mass (M⊕)1.00117.60317.83
Density (g/cm³)5.510.271.33
Surface Gravity (g)1.000.652.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 117.597 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD

HD 114386

HIP

HIP 64295

TIC

TIC 124306858

Gaia DR2

Gaia DR2 6166971574132849792

Gaia DR3

Gaia DR3 6166971574132849792

System

HD 114386

Percentile among Gas Giant cohort

Radius 13.400 R⊕ · percentile 56 / cohort 1771
Mass 117.597 M⊕ · percentile 7 / cohort 1747
Orbital period 444.00 d · percentile 66 / cohort 1533
Distance 27.92 pc · percentile 7 / cohort 1759
ESI 0.251 · percentile 45 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
444.000 days
Semi-major axis
1.0500 AU
Eccentricity
0.100
Inclination
°

Year Length

A year here lasts about 1.22 Earth years on a mildly elliptical path at a mean orbital distance of 1.0500 AU.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.251

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Wu et al. 2026

Instrument

Carnegie Planet Finder Spectrograph

Publication

2026-03

Observation locale

Ground

Discovery cohort

Planets confirmed in 2026 at Las Campanas Observatory (4 shown).

Host System: HD 114386

Spectral Class

K-type orange

Effective Temperature

4,895 K — cooler than the Sun (5,778 K)

Estimated Age

1.40 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.760 R☉

Stellar Mass

0.800 M☉

Metallicity [Fe/H]

-0.10

Extended Stellar Properties

Surface gravity (log g)

4.280 dex

Stellar density

2.446 g/cm³

Systemic radial velocity

33.20 km/s

Rotational v·sin i

1.00 km/s

Metallicity ratio

[Fe/H]

Distance
27.92 parsec
Light-years 91.08 ly
V-band magnitude
8.73 mag
Voyager-speed travel 1,606,139 yr

Multi-band Host Photometry — 11 bands

6.39.89.80B8.73V8.42Gaia7.81TESS6.97J6.50H6.35K6.32W16.30W26.35W36.26W4

Astrometric Data

Parallax

35.782 mas

Total Proper Motion

352.622 mas/yr

PM Right Ascension

-137.10 mas/yr

PM Declination

-324.88 mas/yr

Galactic Cartesian (pc)

x = -0.780 · y = -0.248 · z = -0.574

Equatorial (J2000)

RA 197.66521° · Dec -35.05618°

Galactic ℓ, b

307.372° · 27.650°

Ecliptic λ, β

210.329° · -25.352°

HTM-20 index

1034664407

Observation Record

Photometric series

1

RV measurements

1

Archive notes

1

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