Based upon an on-time launch Thursday, this is the timeline for Cygnus from liftoff through capture by the space station’s robotic arm.

Nine Merlin engines on the first stage of SpaceX’s next Falcon 9 rocket briefly fired up on a Cape Canaveral launch pad Wednesday, and the launcher cleared a customary pre-flight checkout in preparation for liftoff early Sunday with a Canadian-owned communications satellite.

Watch as SpaceX test fires a Falcon 9 rocket ahead of the planned launch of 60 more Starlink satellites.