OTV-7 (X-37B) (USSF-52) Mission Patch

OTV-7 (X-37B) (USSF-52) 발사일 - 2023.12.29

OTV-7 (X-37B) (USSF-52) 발사시간 - 10:07:00 KST

OTV-7 (X-37B) (USSF-52) 발사장 - 케네디 우주센터, LC-39A

OTV-7 (X-37B) (USSF-52) 팰컨 해비 부스터

Side - B1064.5, B1065.5 (LZ-1, LZ-2)

Core - B1084 (No attempt)

발사라이브

SpaceX - USSF-52 Mission

SpaceX Website - USSF-52

Timeline

All Times Approximate

-00:53:00 - SpaceX Launch Director verifies go for propellant loa

-00:50:00 - 1st stage RP-1 (rocket grade kerosene) loading begins

-00:45:00 - 1st stage LOX (liquid oxygen) loading begins

-00:35:00 - 2nd stage RP-1 (rocket grade kerosene) loading begins

-00:18:30 - 2nd stage LOX loading begins

-00:07:00 - Falcon Heavy begins engine chill

-00:00:59 - Flight computer commanded to begin final pre-launch checks

-00:00:45 - SpaceX Launch Director verifies go for launch

-00:00:20 - Propellant tanks pressurize for flight

-00:00:06 - Engine controller commands engine ignition sequence to start

-00:00:00 - Falcon Heavy liftoff

+00:01:11 - Max Q (moment of peak mechanical stress on the rocket)

+00:02:24 - Side boosters engine cutoff (BECO)

+00:02:28 - Side boosters separate

+00:02:43 - Side boosters boostback burns begin

+00:03:52 - Side boosters boostback burns end

+00:03:54 - 1st stage main engine cutoff (MECO)

+00:03:57 - Center core 1st and 2nd stage separate

+00:04:03 - 2nd stage engine starts (SES-1)

+00:04:28 - Fairing deployment 

+00:06:46 - Side boosters entry burns start

+00:07:03 - Side boosters entry burns end

+00:08:06 - Side boosters landing burns start

+00:08:24 - Side boosters landing