Risso’s dolphins typically travel in groups of only 10 to 30 animals, according to the National Oceanic and Atmospheric Administration.
The Falcon 9 rocket carrying the satellites is set to take off from Cape Canaveral Space Force Station at 3:22 p.m.
SpaceX is targeting a 4½-hour launch window for another Starlink mission from 2:21 p.m. to 6:52 p.m., an FAA operations plan advisory shows.