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.

gam Cep b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/gam Cep b

Confirmed exoplanet · Gas Giant

gam Cep b

Orbiting gam Cep

Discovered in 2003 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 gam Cep b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,003
Method: Radial Velocity
Radius: 12.7 R⊕
Mass: 2,097.667486 M⊕
Orbit: 913 days
Distance: 14.1024 pc

Planet profile

Orbit and physical properties

Orbital period: 913 days
Semi-major axis: 2.13 AU
Eccentricity: 0.15
Radius: 12.7 Earth radii
Mass: 2,097.667486 Earth masses
Mass provenance: Mass
Density: 5.63 g/cm³
Equilibrium temperature: 343.48 K
Insolation: 2.6076 Earth flux

Host system

Star and system properties

Host star: gam Cep
Stars in system: 2
Known planets in system: 1
Spectral type: K1 III-IV
Stellar temperature: 4,775 K
Stellar radius: 4.74 R☉
Stellar mass: 1.27 M☉
Stellar metallicity: 0.18 dex
Stellar age: 5.7 Gyr
Distance: 14.1024 parsecs
Right ascension: 23h39m20.60s
Declination: +77d37m59.16s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,003
Publication date: 2003-12
Discovery locale: Ground
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
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.