NG-20 발사일 - 2024.02.08

NG-20 발사시간 - 15:33:32 KST

NG-20 발사장 - Cape Canaveral, SLC-40

발사라이브

NASA - Launch of Mission to Study Earth's Atmosphere and Oceans (Official NASA Broadcast)

NASA+ - NASA+ PACE Launch Coverage

Countdown

00:38:00     SpaceX Launch Director verifies go for propellant load

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

00:35:00     1st stage LOX (liquid oxygen) loading begins

00:16:00     2nd stage LOX loading begins

00:07:00     Falcon 9 begins engine chill prior to launch

00:01:00     Command flight computer to begin final prelaunch checks

00:01:00     Propellant tank pressurization to flight pressure begins

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

00:00:03     Engine controller commands engine ignition sequence to start

00:00:00     Falcon 9 liftoff

LAUNCH, LANDING, AND DEPLOYMENT

All Times Approximate 

00:01:07     Max Q (moment of peak mechanical stress on the rocket)

00:02:19     1st stage main engine cutoff (MECO)

00:02:23     1st and 2nd stages separate

00:02:30     2nd stage engine starts

00:02:36     Boostback Burn Starts

00:03:15     Boostback Burn Ends

00:03:54     Fairing deployment

00:05:51     1st stage entry burn start

00:06:13     1st stage entry burn ends

00:06:58     1st stage landing burn start

00:07:32     1st stage landing

00:10:20     2nd stage engine cutoff (SECO-1)

00:12:22     PACE spacecraft deploys