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.

Community discussion

Comments 0

No comments yet. The airlock is open.

Sign in or create an account to comment and vote.

Kepler-399 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/Kepler-399 b

Confirmed exoplanet · Terrestrial

Kepler-399 b

Orbiting Kepler-399

Discovered in 2014 using Transit. This page reflects the latest synchronized NASA Exoplanet Archive composite record.

NASA Archive record ↗Back to catalog →

Generic terrestrial catalog artwork; not a direct image of Kepler-399 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,014
Method: Transit
Radius: 0.96 R⊕
Mass: 0.84 M⊕
Orbit: 14.425281 days
Distance: 740.537 pc

Planet profile

Orbit and physical properties

Orbital period: 14.425281 days
Semi-major axis: 0.103 AU
Eccentricity: 0
Radius: 0.96 Earth radii
Mass: 0.84 Earth masses
Mass provenance: M-R relationship
Density: 5.22 g/cm³
Equilibrium temperature: 773 K
Insolation: 35.63 Earth flux

Host system

Star and system properties

Host star: Kepler-399
Stars in system: 1
Known planets in system: 3
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: 5,502 K
Stellar radius: 0.68 R☉
Stellar mass: 0.902 M☉
Stellar metallicity: 0.14 dex
Stellar age: 3.98 Gyr
Distance: 740.537 parsecs
Right ascension: 19h58m00.41s
Declination: +40d40m14.76s

Discovery

Detection and provenance

Discovery method: Transit
Discovery year: 2,014
Publication date: 2014-03
Discovery locale: Space
Facility: Kepler
Telescope: 0.95 m Kepler Telescope
Instrument: Kepler CCD Array
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from Kepler-399 b.

Generic terrestrial catalog artwork; not a direct image of Kepler-399 b — Apex Andromeda catalog artwork