Cygnus CRS-2 NG-24 (S.S. Steven R. Nagel)
Falcon 9 Block 5. Space Launch Complex 40, Cape Canaveral SFS, FL, USA.
Launch Successful
- Recovery
- B1094: Return to Launch Site, Landing Zone 40, successful
- Cygnus CRS NG-24 (S.S. Steven R. Nagel): Expended, not recovered
1 Landed, 1 Expended
- Your Time
- UTC
- At the Pad
Cygnus CRS-2 NG-24 (S.S. Steven R. Nagel)
SpaceX
Mission
Resupply, Low Earth Orbit
This is the 24th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 23rd flight to the International Space Station under the Commercial Resupply Services contract with NASA.
Countdown Sequence
Planned offsets from T-0; confirmations link to their sources
Sequence Ended · Success
- T−00:38:00
GO for Prop Load
Launch director verifies go for propellant load
Planned Time Elapsed
- T−00:35:00
Prop Load
Start of propelland loading
Planned Time Elapsed
- T−00:35:00
Stage 1 LOX Load
Start of liquid oxygen loading in the first stage
Planned Time Elapsed
- T−00:16:00
Stage 2 LOX Load
Start of liquid oxygen loading in the second stage
Planned Time Elapsed
- T−00:07:00
Engine Chill
Start of engine chilling
Planned Time Elapsed
- T−00:01:00
Tank Press
Fuel tanks are pressurized to flight levels
Planned Time Elapsed
- T−00:01:00
Startup
The onboard computer takes control over the countdown and runs last checks
Planned Time Elapsed
- T−00:00:45
GO for Launch
Launch director verifies go for launch
Planned Time Elapsed
- T−00:00:03
Ignition
Start of the engine ignition sequence
Planned Time Elapsed
- T+00:00:00
- T+00:01:08
Max-Q
Maximum dynamic pressure
Planned Time Elapsed
- T+00:02:13
MECO
Cut-off of the main engine
Planned Time Elapsed
- T+00:02:17
Stage 2 Separation
Separation of the second stage from the first
Planned Time Elapsed
- T+00:02:21
Stage 1 Flip
Flip maneuver of the first stage
Planned Time Elapsed
- T+00:02:25
SES-1
First start of the second engine
Planned Time Elapsed
- T+00:02:30
Booster Boostback Burn Startup
Start of the booster boostback burn
Planned Time Elapsed
- T+00:02:53
Fairing Separation
Separation of the payload fairing
Planned Time Elapsed
- T+00:03:21
Booster Boostback Burn Shutdown
End of the booster boostback burn
Planned Time Elapsed
- T+00:06:11
Entry Burn Startup
Start of the atmospheric entry burn
Planned Time Elapsed
- T+00:06:29
Entry Burn Shutdown
End of the atmospheric entry burn
Planned Time Elapsed
- T+00:07:27
Stage 1 Landing Burn
Start of the first stage landing burn
Planned Time Elapsed
- T+00:07:54
Stage 1 Landing
Landing of the first stage
Planned Time Elapsed
- T+00:08:31
SECO-1
First cut-off of the second engine
Planned Time Elapsed
- T+00:14:39
Payload Separation
Final deployment of the payload from the rocket
Planned Time Elapsed
Change Log
Detected changes and source updates
Launch success confirmed with spacecraft solar panels deployed.
Added back launch weather update, 90% GO.
Cygnus has deployed.
Liftoff!
Official Webcast by NASA has started
Now targeting Apr 11 at 11:41:21 UTC
Delayed to April 11.
Delayed to April 10.
Now targeting Apr 09 at 12:26 UTC
Updated T-0.
Tweaked T-0.
Tweaked T-0.
Added approximate launch time.
NET April 8.
NET April 1, TBC.
Added approximate launch time.
NET April 3.
Reassigned to launch on Falcon 9.