Confirmed Exoplanet Discovered 2009

HD 110014 b

A gas giant orbiting the k-type orange HD 110014, located approximately 328.6 light-years from Earth.

Key parameters at a glance

  • A radius of 12.40 Earth radii
  • A mass of 3,524.59 Earth masses
  • Surface gravity around 22.92 g
  • An orbital period of 835.477 days
  • Semi-major axis 2.1400 AU
  • Distance from Earth 328.63 light-years
  • Earth Similarity Index 0.368
  • Travel time at Voyager 1 speed 5,795,359 years

HD 110014 b Planet Profile

Physical Specs

Radius
12.40 R⊕
Radius (Jupiter)
1.110 R♃
Mass
3,524.59 M⊕
Mass (Jupiter)
11.090 M♃
Density
10.20 g/cm³
Surface Gravity
22.92 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.368
HZ Position Unknown
Controversial No

Discovery

Year 2009
Method Radial Velocity
Facility La Silla Observatory
Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#1298of 1771

top 73.2%

This planet

12.40R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth HD 110014 b Jupiter
Radius (R⊕)1.0012.4011.21
Mass (M⊕)1.003,524.59317.83
Density (g/cm³)5.5110.201.33
Surface Gravity (g)1.0022.922.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 3,524.590 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD

HD 110014

HIP

HIP 61740

TIC

TIC 32448045

Gaia DR2

Gaia DR2 3676091134604409728

Gaia DR3

Gaia DR3 3676091134604409728

System

HD 110014

Percentile among Gas Giant cohort

Radius 12.400 R⊕ · percentile 25 / cohort 1771
Mass 3,524.590 M⊕ · percentile 89 / cohort 1747
Orbital period 835.48 d · percentile 74 / cohort 1533
Distance 100.76 pc · percentile 35 / cohort 1759
ESI 0.368 · percentile 76 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
835.477 days
Semi-major axis
2.1400 AU
Eccentricity
0.462
Inclination
°

Year Length

A year here lasts about 2.29 Earth years on a highly eccentric trajectory at a mean orbital distance of 2.1400 AU.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.368

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

De Medeiros et al. 2009

Instrument

FEROS Spectrograph

Publication

2009-09

Observation locale

Ground

Host System: HD 110014

Spectral Class

K-type orange

Effective Temperature

4,445 K — cooler than the Sun (5,778 K)

Estimated Age

0.95 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

20.900 R☉

Stellar Mass

2.170 M☉

Metallicity [Fe/H]

0.19

Extended Stellar Properties

Surface gravity (log g)

2.100 dex

Systemic radial velocity

-18.62 km/s

Rotational v·sin i

2.00 km/s

Metallicity ratio

[Fe/H]

Distance
100.76 parsec
Light-years 328.63 ly
V-band magnitude
4.65 mag
Voyager-speed travel 5,795,359 yr

Multi-band Host Photometry — 12 bands

-0.35.95.89B4.65V4.31Gaia3.64TESS3.51Ic2.67J2.17H2.01K-0.29W10.33W21.99W31.90W4

Astrometric Data

Parallax

9.903 mas

Total Proper Motion

80.767 mas/yr

PM Right Ascension

-77.13 mas/yr

PM Declination

-23.97 mas/yr

Galactic Cartesian (pc)

x = -0.976 · y = -0.169 · z = -0.139

Equatorial (J2000)

RA 189.81119° · Dec -7.99567°

Galactic ℓ, b

297.697° · 54.752°

Ecliptic λ, β

192.150° · -3.468°

HTM-20 index

1556716641

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