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.

GJ 3470 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/GJ 3470 b

Confirmed exoplanet · Neptune Like

GJ 3470 b

Orbiting GJ 3470

Discovered in 2012 using Radial Velocity. 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 GJ 3470 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,012
Method: Radial Velocity
Radius: 4.57 R⊕
Mass: 13.9 M⊕
Orbit: 3.33665 days
Distance: 29.4214 pc

Planet profile

Orbit and physical properties

Orbital period: 3.33665 days
Semi-major axis: 0.0355 AU
Eccentricity: 0.017
Radius: 4.57 Earth radii
Mass: 13.9 Earth masses
Mass provenance: Mass
Density: 0.8 g/cm³
Equilibrium temperature: 593.5 K
Insolation: 29.6584 Earth flux

Host system

Star and system properties

Host star: GJ 3470
Stars in system: 1
Known planets in system: 1
Spectral type: M1.5
Stellar temperature: 3,600 K
Stellar radius: 0.547 R☉
Stellar mass: 0.539 M☉
Stellar metallicity: 0.2 dex
Stellar age: 1.65 Gyr
Distance: 29.4214 parsecs
Right ascension: 07h59m05.64s
Declination: +15d23m28.35s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,012
Publication date: 2012-10
Discovery locale: Ground
Facility: La Silla Observatory
Telescope: 3.6 m ESO Telescope
Instrument: HARPS 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.