s2a systems on Bsky
https://bsky.app/profile/s2a-systems.bsky.social/post/3levlvbjptc2l
"This morning's low elevation pass of SpaDeX A and SpaDeX B, over South America. Recorded 2025-01-04 at 04:59:29 UTC. The estimated distance between the two spacecraft was about 1.9 km."