Confirmed Exoplanet Discovered 2021

HIP 75092 b

A gas giant orbiting the k-type orange HIP 75092, located approximately 266.4 light-years from Earth.

Key parameters at a glance

  • A radius of 13.50 Earth radii
  • A mass of 568.91 Earth masses
  • Surface gravity around 3.12 g
  • An orbital period of 926.400 days
  • Semi-major axis 2.0200 AU
  • Distance from Earth 266.37 light-years
  • Earth Similarity Index 0.355
  • Travel time at Voyager 1 speed 4,697,440 years

HIP 75092 b Planet Profile

Physical Specs

Radius
13.50 R⊕
Radius (Jupiter)
1.200 R♃
Mass
568.91 M⊕
Mass (Jupiter)
1.790 M♃
Density
1.27 g/cm³
Surface Gravity
3.12 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.355
HZ Position Unknown
Controversial No

Discovery

Year 2021
Method Radial Velocity
Facility Multiple Observatories
Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#671of 1771

top 37.8%

This planet

13.50R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth HIP 75092 b Jupiter
Radius (R⊕)1.0013.5011.21
Mass (M⊕)1.00568.91317.83
Density (g/cm³)5.511.271.33
Surface Gravity (g)1.003.122.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 568.913 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

HD

HD 136295

HIP

HIP 75092

TIC

TIC 225884682

Gaia DR2

Gaia DR2 6214741299913205888

Gaia DR3

Gaia DR3 6214741299913205888

System

HIP 75092

Percentile among Gas Giant cohort

Radius 13.500 R⊕ · percentile 59 / cohort 1771
Mass 568.913 M⊕ · percentile 52 / cohort 1747
Orbital period 926.40 d · percentile 76 / cohort 1533
Distance 81.67 pc · percentile 31 / cohort 1759
ESI 0.355 · percentile 72 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
926.400 days
Semi-major axis
2.0200 AU
Eccentricity
0.420
Inclination
°

Year Length

A year here lasts about 2.54 Earth years on a highly eccentric trajectory at a mean orbital distance of 2.0200 AU.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.355

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Jones et al. 2021

Instrument

Multiple Instruments

Publication

2021-02

Observation locale

Ground

Host System: HIP 75092

Spectral Class

K-type orange

Effective Temperature

4,891 K — cooler than the Sun (5,778 K)

Estimated Age

4.30 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

4.530 R☉

Stellar Mass

1.280 M☉

Metallicity [Fe/H]

-0.01

Extended Stellar Properties

Surface gravity (log g)

3.090 dex

Rotational v·sin i

3.10 km/s

Metallicity ratio

[Fe/H]

Distance
81.67 parsec
Light-years 266.37 ly
V-band magnitude
7.11 mag
Voyager-speed travel 4,697,440 yr

Multi-band Host Photometry — 12 bands

4.68.18.15B7.11V6.83Gaia6.93Kepler6.23TESS5.36J4.94H4.74K4.73W14.61W24.69W34.68W4

Astrometric Data

Parallax

12.216 mas

Total Proper Motion

157.821 mas/yr

PM Right Ascension

-32.42 mas/yr

PM Declination

-154.46 mas/yr

Galactic Cartesian (pc)

x = -0.576 · y = -0.690 · z = -0.438

Equatorial (J2000)

RA 230.17242° · Dec -25.99105°

Galactic ℓ, b

340.202° · 25.876°

Ecliptic λ, β

234.515° · -7.324°

HTM-20 index

-767826082

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