SWFO-L1 – Spaceflight Now

SpaceX launches NASA, NOAA missions exploring the impacts of the Sun

September 24, 2025 Will Robinson-Smith

The primary payload, NASA’s Interstellar Mapping and Acceleration Probe (IMAP) was joined by two rideshare payloads heading to Lagrange Point 1. Liftoff from pad 39A at NASA’s Kennedy Space Center occurred at 7:30 a.m. EDT (1130 UTC).

NASA, NOAA prep spacecraft trio to study the Sun and its impacts

August 29, 2025 Will Robinson-Smith

NASA’s Interstellar Mapping and Acceleration Probe (IMAP) will be the primary payload on a SpaceX Falcon 9 rocket launching no earlier than Sep. 23. The vehicle is joined by the Carruthers Geocorona Observatory and NOAA’s Space Weather Follow-On – Lagrange 1 (SWFO-L1) observatory.

NASA selects SpaceX to launch mission studying interstellar space

September 28, 2020 Stephen Clark

NASA has awarded SpaceX a $109 million contract to launch the Interstellar Mapping and Acceleration Probe, a NOAA space weather observatory, a robotic scout to map water on the moon, and two other ridealong payloads on a single Falcon 9 rocket from Cape Canaveral in 2024.