Confirmed Exoplanet Discovered 2007

HD 17092 b

A gas giant orbiting the k-type orange HD 17092, located approximately 745.0 light-years from Earth.

Key parameters at a glance

  • A radius of 12.50 Earth radii
  • A mass of 3,219.62 Earth masses
  • Surface gravity around 20.61 g
  • An orbital period of 359.900 days
  • Semi-major axis 1.3100 AU
  • Distance from Earth 745.01 light-years
  • Earth Similarity Index 0.382
  • Travel time at Voyager 1 speed 13,138,287 years

HD 17092 b Planet Profile

Physical Specs

Radius
12.50 R⊕
Radius (Jupiter)
1.110 R♃
Mass
3,219.62 M⊕
Mass (Jupiter)
10.130 M♃
Density
9.06 g/cm³
Surface Gravity
20.61 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.382
HZ Position Unknown
Controversial No

Discovery

Year 2007
Method Radial Velocity
Facility McDonald Observatory
Telescope 9.2 m Hobby-Eberly Telescope

Size rank in cohort

Rank by radius

#1235of 1771

top 69.7%

This planet

12.50R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth HD 17092 b Jupiter
Radius (R⊕)1.0012.5011.21
Mass (M⊕)1.003,219.62317.83
Density (g/cm³)5.519.061.33
Surface Gravity (g)1.0020.612.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 3,219.618 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD

HD 17092

TIC

TIC 302317605

Gaia DR2

Gaia DR2 438865809918353280

Gaia DR3

Gaia DR3 438865809918353280

System

HD 17092

Percentile among Gas Giant cohort

Radius 12.500 R⊕ · percentile 28 / cohort 1771
Mass 3,219.618 M⊕ · percentile 88 / cohort 1747
Orbital period 359.90 d · percentile 63 / cohort 1533
Distance 228.42 pc · percentile 54 / cohort 1759
ESI 0.382 · percentile 80 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
359.900 days
Semi-major axis
1.3100 AU
Eccentricity
0.170
Inclination
°

Year Length

A year here lasts approximately 359.90 Earth days (98.5% of a terrestrial year) on a mildly elliptical path at a mean orbital distance of 1.3100 AU.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.382

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Niedzielski et al. 2007

Instrument

High Resolution Spectrograph

Publication

2007-11

Observation locale

Ground

Discovery cohort

Planets confirmed in 2007 at McDonald Observatory (2 shown).

Host System: HD 17092

Spectral Class

K-type orange

Effective Temperature

4,326 K — cooler than the Sun (5,778 K)

Estimated Age

2.60 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

13.580 R☉

Stellar Mass

6.730 M☉

Metallicity [Fe/H]

0.18

Extended Stellar Properties

Surface gravity (log g)

3.000 dex

Systemic radial velocity

5.92 km/s

Metallicity ratio

[Fe/H]

Distance
228.42 parsec
Light-years 745.01 ly
V-band magnitude
7.73 mag
Voyager-speed travel 13,138,287 yr

Multi-band Host Photometry — 11 bands

4.79.09.00B7.73V7.34Gaia6.63TESS5.53J5.01H4.81K4.78W14.70W24.78W34.72W4

Astrometric Data

Parallax

4.350 mas

Total Proper Motion

41.625 mas/yr

PM Right Ascension

40.33 mas/yr

PM Declination

-10.31 mas/yr

Galactic Cartesian (pc)

x = 0.484 · y = 0.430 · z = 0.762

Equatorial (J2000)

RA 41.59243° · Dec 49.65304°

Galactic ℓ, b

141.303° · -9.075°

Ecliptic λ, β

55.227° · 31.890°

HTM-20 index

1824907064

Similar Worlds

Explore Related Categories