Events for April 4, 2026

Name: Perihelion of Comet C / 2026 A1 (MAPS)
Start: 2026-04-04T00:00:00+00:00
End: 2026-04-04T23:59:59+00:00
Location: Deep Space

Events Search and Views Navigation

Enter Keyword. Search for Events by Keyword.

Event Views Navigation

List
Month
Day

Today

Select date.

All Day

Perihelion of Comet C / 2026 A1 (MAPS)

Apr 4

Deep Space

Predicted date for the comet to make a close pass by the Sun (perihelion), potentially triggering a sudden brightening and dramatic tail. If it survives the encounter, it may become visible to the naked eye. This event is part of a rare opportunity in April to potentially view two comets—C/2026 […]

Previous Day
Next Day

Established in 1976, Space Age Publishing Company operates its Hawaiʻi (1988) and California offices. Space Age publishes Space Calendar weekly since 1983 and Lunar Enterprise Daily, and pursues a business plan consistent with establishing a third office on the Moon.

Land Your Name + Message
on the Moon!

For a limited time you can send your name & message to the lunar surface on the ILOA ILO-1 mission in 2027-2028.

ILO-1 will be mounted on the Astrolab FLEX rover lightbar, and operate on the Moon for 1+ years — broadcasting Space Calendar and messages back to Earth along with near real-time images of the celestial sky and the Moon, on a weekly basis.

Search for: