Moon Will Occult Jupiter Over North America on October 6
The alignment will hide the gas giant from view for one hour before sunrise.
Updated on Oct. 6, 2026 in Space
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On October 6, 2026, the moon will pass directly in front of Jupiter as seen from Earth. This celestial event, known as an occultation, will be visible across parts of the eastern and central United States and southern Canada.
Why it matters
The occultation provides a rare viewing opportunity for observers in regions like New York City and Montreal. It occurs because the moon is sufficiently close to Earth to transit the much more distant gas giant, an event that occurs at a specific location on average once every 13 years.
The planet Jupiter will remain hidden behind the moon for approximately one hour, with the physical process of disappearance and reappearance taking roughly one minute each. This alignment is expected to be the most significant Jupiter occultation in North America since December 2004.
The details
An occultation occurs when a foreground celestial body, in this case the moon, moves in front of a background object like the gas giant Jupiter. Because the moon is much closer to Earth, its angular size is sufficient to entirely mask the distant planet. Observers should look toward the east-northeast horizon before dawn to witness the event, as the moon and planet will be positioned at an altitude visible to the naked eye.
Timeline
December 2004: Last comparable nighttime occultation in New York City.
October 6, 2026: The upcoming Jupiter occultation.
2:30 a.m. local time: Typical moonrise across parts of North America.
3:15 a.m. CDT: Jupiter begins its disappearance in Memphis.
4:50 a.m. EDT: The midpoint of the occultation in New York and Montreal.
The Tech Race
The 2026 occultation follows a pattern set by the December 2004 Jupiter occultation, marking the most significant such event in the region since that date. Astronomers and sky-watchers treat these alignments as key milestones for verifying ephemeris data and orbital mechanics.
Interested viewers in the eastern and central United States and southern Canada can observe the planet disappearing behind the moon by looking east-northeast before dawn. The event is not visible from western regions including Washington, California, Oregon, or Nevada.
The takeaway
This event serves as a reminder of the precise, predictable nature of planetary motion within our solar system. Residents in the visibility zone should plan to view the eastern horizon before dawn on October 6, 2026.
What happens next
Observers should monitor regional astronomical bulletins for updated visibility maps as the October 6, 2026, date approaches.
Further reading
For more information on upcoming celestial events, visit our Space section.
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