Jupiter-mass binary object

"juMBO" redirects here; not to be confused with jumbo.

Jupiter-mass Binary Objects or JuMBOs are a hypothetical class of celestial objects, defined as a planetary-mass objects orbiting a common center of mass. Reanalysis of early unpublished claims of their discovery was from observations of the Orion Nebula Cluster by the James Webb Space Telescope identified background sources or brown dwarf stars, but no JuMBO objects.

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