https://techcrunch.com/2020/10/27/spacex-and-leolabs-partner-up-for-tracking-of-starlink-satellite-deployments/

SpaceX and orbital object tracking startup LeoLabs have announced a new commercial partnership that will see LeoLab track SpaceX’s Starlink satellites during their initial deployment and orbital travel. The arrangement means that LeoLabs will immediately start tracking new Starlink satellites once they’re released in space following a launch, giving SpaceX immediate info in terms of placement and trajectory during the crucial initial few days of any new batch launch.

LeoLabs’ provides an advantage vs. any other options out there in terms of how fast it can acquire signal from a whole batch of newly orbital Starlink satellites, which SpaceX has been sending up in batches of 60. Here’s a brief synopsis of what exactly LeoLabs is doing for SpaceX through this arrangement, straight from the company itself: