USSF-259

飞行时序

1. T+08:20
   一级着陆

   Landing of the first stage

2. T+07:58
   一级着陆减速点火

   Start of the first stage landing burn

3. T+06:24
   再入减速关机

   End of the atmospheric entry burn

4. T+06:03
   再入减速点火

   Start of the atmospheric entry burn

5. T+02:57
   整流罩分离

   Separation of the payload fairing

6. T+02:36
   SES-1 二级发动机第一次启动

   First start of the second engine

7. T+02:30
   二级分离

   Separation of the second stage from the first

8. T+02:26
   MECO 主发动机关机

   Cut-off of the main engine

9. T+01:07
   Max-Q 最大动压点

   Maximum dynamic pressure

10. T+00:00
    升空

    First upwards movement of the rocket

11. T−00:03
    点火

    Start of the engine ignition sequence

12. T−00:45
    GO for Launch 发射决议通过

    Launch director verifies go for launch

13. T−01:00
    Startup 自动倒数启动

    The onboard computer takes control over the countdown and runs last checks

14. T−01:00
    燃料箱增压

    Fuel tanks are pressurized to flight levels

15. T−07:00
    发动机预冷

    Start of engine chilling

16. T−16:00
    二级 LOX (液氧) 加注

    Start of liquid oxygen loading in the second stage

17. T−35:00
    一级 LOX (液氧) 加注

    Start of liquid oxygen loading in the first stage

18. T−35:00
    推进剂加注开始

    Start of propelland loading

19. T−38:00
    GO for Prop Load 加注决议通过

    Launch director verifies go for propellant load