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 149026 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/HD 149026 b

Confirmed exoplanet · Gas Giant

HD 149026 b

Orbiting HD 149026

Discovered in 2005 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 149026 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,005
Method: Radial Velocity
Radius: 8.29466 R⊕
Mass: 120.7754 M⊕
Orbit: 2.87589 days
Distance: 75.8643 pc

Planet profile

Orbit and physical properties

Orbital period: 2.87589 days
Semi-major axis: 0.04364 AU
Eccentricity: 0
Radius: 8.29466 Earth radii
Mass: 120.7754 Earth masses
Mass provenance: Mass
Density: 0.75 g/cm³
Equilibrium temperature: 1,626 K
Insolation: 1,095.91 Earth flux

Host system

Star and system properties

Host star: HD 149026
Stars in system: 1
Known planets in system: 1
Spectral type: G0
Stellar temperature: 6,179 K
Stellar radius: 1.41 R☉
Stellar mass: 1.42 M☉
Stellar metallicity: 0.32 dex
Stellar age: 2.6 Gyr
Distance: 75.8643 parsecs
Right ascension: 16h30m29.52s
Declination: +38d20m51.13s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,005
Publication date: 2005-11
Discovery locale: Ground
Facility: Subaru Telescope
Telescope: 8.2 m Subaru Telescope
Instrument: HDS Spectrograph
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.