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Here is the timeline of Wednesday's Artemis II launch, starting from when the SLS clears the tower: +00:09 SLS clears the launch tower and initiates a roll/pitch maneuver+00:56 SLS reaches supersonic speed+01:10 Maximum dynamic pressure+02:08 Solid Rocket Booster separation+03:18 Launch abort system jettison+08:06 SLS core stage main engine cutoff+08:18 Core stage separates from ICPS (1381×17-mile orbit)+08:28 ICPS RL10 nozzle extension+20:00 Orion solar arrays deploy+49:00 perigee raise maneuver (1381×115 statute miles) At this point, Orion and ICPS are in a safe orbit+01:47:57 Apogee raise burn (43730×0 statute miles) Orion is now in a high Earth orbit that will last through the translunar injection+03:24:15 Orion separates from ICPS, proximity operations demonstration begins+04:35 – Proximity operations conclude+04:52 Orion upper stage separation burn+05:00 Disposal burn of ICPS into the Pacific Ocean+05:02 – ICPS disposal burn, setting the ICPS up for a splashdown in the Atlantic Ocean+05:04 CubeSats deploy at one minute intervals+0/13:44 – Perigee raise burn#artemisII #nasa