星链 17-28 批次

飞行时序

1. T+01:03:50
   Starlink 卫星组释放

   Deployment of the Starlink stack from the rocket

2. T+54:59
   SECO-2 二级发动机第二次关机

   Second cut-off of the second engine

3. T+54:58
   SES-2 二级发动机第二次启动

   Second start of the second engine

4. T+08:40
   SECO-1 二级发动机第一次关机

   First cut-off of the second engine

5. T+08:20
   一级着陆

   Landing of the first stage

6. T+07:57
   一级着陆减速点火

   Start of the first stage landing burn

7. T+06:23
   再入减速关机

   End of the atmospheric entry burn

8. T+06:00
   再入减速点火

   Start of the atmospheric entry burn

9. T+02:58
   整流罩分离

   Separation of the payload fairing

10. T+02:37
    SES-1 二级发动机第一次启动

    First start of the second engine

11. T+02:30
    二级分离

    Separation of the second stage from the first

12. T+02:26
    MECO 主发动机关机

    Cut-off of the main engine

13. T+01:09
    Max-Q 最大动压点

    Maximum dynamic pressure

14. T+00:00
    升空

    First upwards movement of the rocket

15. T−00:03
    点火

    Start of the engine ignition sequence

16. T−00:45
    GO for Launch 发射决议通过

    Launch director verifies go for launch

17. T−01:00
    燃料箱增压

    Fuel tanks are pressurized to flight levels

18. T−01:00
    Startup 自动倒数启动

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

19. T−07:00
    发动机预冷

    Start of engine chilling

20. T−16:00
    二级 LOX (液氧) 加注

    Start of liquid oxygen loading in the second stage

21. T−35:00
    一级 LOX (液氧) 加注

    Start of liquid oxygen loading in the first stage

22. T−35:00
    推进剂加注开始

    Start of propelland loading

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

    Launch director verifies go for propellant load