Skip to content

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Menu

Missions Planets Black Holes 3D Map Agencies Blog About Sign in

Acquiring mission data

Missions Planets Black Holes 3D Map Agencies Blog About apexandromeda.com

This is an independent informational project and is not affiliated with, endorsed by, or sponsored by NASA, ESA, JAXA, Roscosmos, CNSA, ISRO, CSA, or any other space agency. Agency names, logos, and other marks are used for identification where permitted by their respective usage policies.

A passion project from the team behind Apex Rental Pro.

HD 142245 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 142245 b

Confirmed exoplanet · Gas Giant

HD 142245 b

Orbiting HD 142245

Discovered in 2011 using Radial Velocity. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic gas giant catalog artwork; not a direct image of HD 142245 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,011
Method: Radial Velocity
Radius: 13.1 R⊕
Mass: 975.7381 M⊕
Orbit: 1,299 days
Distance: 97.2305 pc

Planet profile

Orbit and physical properties

Orbital period: 1,299 days
Semi-major axis: 2.78 AU
Eccentricity: 0
Radius: 13.1 Earth radii
Mass: 975.7381 Earth masses
Mass provenance: Msini
Density: 2.39 g/cm³
Equilibrium temperature: 306.3 K
Insolation: 1.7468 Earth flux

Host system

Star and system properties

Host star: HD 142245
Stars in system: 3
Known planets in system: 1
Spectral type: K0
Stellar temperature: 4,922 K
Stellar radius: 4.63 R☉
Stellar mass: 3.5 M☉
Stellar metallicity: 0.17 dex
Stellar age: 2.3 Gyr
Distance: 97.2305 parsecs
Right ascension: 15h52m56.22s
Declination: +15d25m50.20s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,011
Publication date: 2011-12
Discovery locale: Ground
Facility: W. M. Keck Observatory
Telescope: 10 m Keck I Telescope
Instrument: HIRES Spectrometer
NASA Exoplanet Archive: Open composite record ↗

Community discussion

Comments 0

No comments yet. The airlock is open.

Sign in or create an account to comment and vote.