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iot Dra b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/iot Dra b

Confirmed exoplanet · Gas Giant

iot Dra b

Orbiting iot Dra

Discovered in 2002 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 iot Dra b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,002
Method: Radial Velocity
Radius: 12.4 R⊕
Mass: 3,756.731771 M⊕
Orbit: 510.8544 days
Distance: 31.32832 pc

Planet profile

Orbit and physical properties

Orbital period: 510.8544 days
Semi-major axis: 1.453 AU
Eccentricity: 0.701
Radius: 12.4 Earth radii
Mass: 3,756.731771 Earth masses
Mass provenance: Msini
Density: 10.8 g/cm³
Equilibrium temperature: 618.67 K
Insolation: 24.9999 Earth flux

Host system

Star and system properties

Host star: iot Dra
Stars in system: 1
Known planets in system: 2
Spectral type: K2 III
Stellar temperature: 4,504 K
Stellar radius: 11.79 R☉
Stellar mass: 1.54 M☉
Stellar metallicity: 0.03 dex
Stellar age: 2.65 Gyr
Distance: 31.32832 parsecs
Right ascension: 15h24m55.76s
Declination: +58d57m58.11s

Discovery

Detection and provenance

Discovery method: Radial Velocity
Discovery year: 2,002
Publication date: 2002-09
Discovery locale: Ground
Facility: Lick Observatory
Telescope: 0.6 m Coude Auxiliary Telescope
Instrument: Hamilton Echelle Spectrograph
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from iot Dra b.

Generic gas giant catalog artwork; not a direct image of iot Dra b — Apex Andromeda catalog artwork