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.

Kepler-4 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-4 b

Confirmed exoplanet · Neptune Like

Kepler-4 b

Orbiting Kepler-4

Discovered in 2009 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic neptune like catalog artwork; not a direct image of Kepler-4 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,009
Method: Transit
Radius: 4.002 R⊕
Mass: 24.472 M⊕
Orbit: 3.21346 days
Distance: 487.916 pc

Planet profile

Orbit and physical properties

Orbital period: 3.21346 days
Semi-major axis: 0.0456 AU
Eccentricity: 0
Radius: 4.002 Earth radii
Mass: 24.472 Earth masses
Mass provenance: Mass
Density: 1.91 g/cm³
Equilibrium temperature: 1,650 K
Insolation: 1,245.431 Earth flux

Host system

Star and system properties

Host star: Kepler-4
Stars in system: 1
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,857 K
Stellar radius: 1.487 R☉
Stellar mass: 1.223 M☉
Stellar metallicity: 0.17 dex
Stellar age: 4.5 Gyr
Distance: 487.916 parsecs
Right ascension: 19h02m27.71s
Declination: +50d08m08.78s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,009
Publication date: 2010-04
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
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.