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MXB 1658-298 b | Exoplanets | Apex Andromeda | Apex Andromeda

Planets/Exoplanets/MXB 1658-298 b

Confirmed exoplanet · Gas Giant

MXB 1658-298 b

Orbiting MXB 1658-298

Discovered in 2017 using Eclipse Timing Variations. 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 MXB 1658-298 b — Generic category artwork—not a direct imageApex Andromeda catalog artwork

Discovery: 2,017
Method: Eclipse Timing Variations
Radius: 12 R⊕
Mass: 7,532.571 M⊕
Orbit: 760 days
Distance: Not reported by the NASA Exoplanet Archive

Planet profile

Orbit and physical properties

Orbital period: 760 days
Semi-major axis: 1.613 AU
Eccentricity: Not reported by the NASA Exoplanet Archive
Radius: 12 Earth radii
Mass: 7,532.571 Earth masses
Mass provenance: Mass
Density: 24 g/cm³
Equilibrium temperature: Not reported by the NASA Exoplanet Archive
Insolation: Not reported by the NASA Exoplanet Archive

Host system

Star and system properties

Host star: MXB 1658-298
Stars in system: 2
Known planets in system: 1
Spectral type: Not reported by the NASA Exoplanet Archive
Stellar temperature: Not reported by the NASA Exoplanet Archive
Stellar radius: Not reported by the NASA Exoplanet Archive
Stellar mass: 1.98 M☉
Stellar metallicity: Not reported by the NASA Exoplanet Archive
Stellar age: Not reported by the NASA Exoplanet Archive
Distance: Not reported by the NASA Exoplanet Archive
Right ascension: 17h02m06.54s
Declination: -29d56m44.1s

Discovery

Detection and provenance

Discovery method: Eclipse Timing Variations
Discovery year: 2,017
Publication date: 2017-06
Discovery locale: Space
Facility: Multiple Observatories
Telescope: Multiple Telescopes
Instrument: Multiple Instruments
NASA Exoplanet Archive: Open composite record ↗

Visual archive

Gallery

One image from MXB 1658-298 b.

Generic gas giant catalog artwork; not a direct image of MXB 1658-298 b — Apex Andromeda catalog artwork