SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA
Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee)
Launched
August 4, 2024 · 15:02 UTC

Image: SpaceX
Summary
Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on August 4, 2024 at 15:02 UTC. It was SpaceX's 389th launch, 78th this year and humanity's 6,732nd orbital launch attempt. It was the 304th Falcon 9 Block 5 flight and the 75th this year. Booster B1080 flew for the 10th time and landed at Landing Zone 1. The payload was bound for low Earth orbit (LEO). S.S. Francis R. Scobee, one of 10 catalogued objects, reached a 246 × 261 km orbit inclined 51.6°. The spacecraft was Cygnus CRS NG-21 (S.S. Francis R. “Dick” Scobee). 10 objects from this launch are catalogued, all of them payloads.
- Watch
- YouTubeNASA
- NG-21 MissionSpaceX
- Booster
- B1080 · flight 10 · Return to Launch Site at Landing Zone 1 · landed53/54 landed here · 44 days after its previous flight, Astra 1P/SES-24 · 9 km downrange
- Mission
- Resupply · Low Earth Orbit (LEO)
- Milestone
- 304th Falcon 9 Block 5 flight · 75th this yearSpaceX's 389th launch78th this yearhumanity's 6,732nd orbital launch attempt143rd orbital launch attempt this year
Spacecraft
Cygnus CRS NG-21 (S.S. Francis R. “Dick” Scobee)
This is the twenty-first flight to the ISS by the Cygnus spacecraft under the CRS program and their tenth under the CRS-2 program. This is also the 17th use of the enhanced size Cygnus.
- Destination: International Space Station
- Mission length: 237 days
- Docked August 6, 2024 at Unity nadir
The Cygnus spacecraft will burn up upon entering Earth's atmosphere.
Webcast
Flight preview
Simulate in Flight ClubOrbit: as tracked
S.S. Francis R. Scobee · NORAD 60378 · 2024-139 · Space-Track · tracking 1 of 10 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2024-139A
- Epoch
- 2024-08-04 16:57:06 UTC
- Mean motion
- 16.10139998 rev/day
- Eccentricity
- 0.0011342
- Inclination
- 51.6486°
- Ascending node
- 74.6888°
- Arg. of perigee
- 298.3679°
- Mean anomaly
- 176.0524°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile. Booster return drawn from padside's representative arc.
Flight timeline
- T−38MGO for Prop Load
- T−35MStage 1 LOX Load
- T−35MProp Load
- T−16MStage 2 LOX Load
- T−7MEngine Chill
- T−1MStartup
- T−1MTank Press
- T−45SGO for Launch
- T−3SIgnition
- T−0Liftoff
- T+1M8SMax-Q
- T+2M18SMECO
- T+2M22SStage 2 Separation
- T+2M30SSES-1
- T+2M35SBooster Boostback Burn Startup
- T+2M58SFairing Separation
- T+3M24SBooster Boostback Burn Shutdown
- T+6M17SEntry Burn Startup
- T+6M34SEntry Burn Shutdown
- T+7M24SStage 1 Landing Burn
- T+7M31SStage 1 Landing
- T+8M33SSECO-1
- T+14M35SPayload Separation
Catalogued objects
10 catalogued: 10 payloads
- S.S. Francis R. Scobee · NORAD 60378
- Binar-4 · NORAD 60952 · re-entered November 8, 2024
- Emma · NORAD 60953 · re-entered December 11, 2024
- SAKURA · NORAD 60954 · re-entered December 3, 2024
- Binar-2 · NORAD 60956 · re-entered November 14, 2024
- Binar-3 · NORAD 60957 · re-entered November 8, 2024
- CySat 1 · NORAD 61501 · re-entered January 14, 2025
- DORA · NORAD 61502 · re-entered December 3, 2024
- Wisseed Sat · re-entered October 22, 2024
- SaganSat0 · re-entered December 18, 2024
Data from J. McDowell, planet4589.org
About this launch
This is the 21st flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 20th flight to the International Space Station under the Commercial Resupply Services contract with NASA.
Official page: SpaceXOfficial page: NASA Commercial Resupply Mission NG-21
Pad

Space Launch Complex 40, Cape Canaveral SFS, FL, USA
254th launch from Space Launch Complex 40, 36th this year · 967th from Cape Canaveral SFS, FL, USA
Local pad time at liftoff: Aug 4, 11:02 AM EDT, in daylight
403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
7 days 9 hours after the previous launch from this pad
Updates
Launch successful.
Show 9 earlier updates
Cygnus deployed
hitura-nobad · 8/4/2024 · source
Liftoff
hitura-nobad · 8/4/2024 · source
Tweaked T-0.
Cosmic_Penguin · 8/4/2024 · source
Official Webcast by NASA has started
LL2 · 8/4/2024 · source
Weather 35% GO
hitura-nobad · 8/4/2024 · source
Delayed to Sunday 4th August
hitura-nobad · 8/3/2024 · source
Tweaked T-0.
Cosmic_Penguin · 8/3/2024 · source
Weather 50%
Nosu · 8/1/2024 · source
Tweaked T-0.
Cosmic_Penguin · 7/30/2024 · source
Questions
When did Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) launch?
Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) launched on August 4, 2024 at 15:02 UTC.
Where can I watch Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee)?
Coverage: YouTube; NG-21 Mission. Watch the replay
What rocket launched Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee)?
Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet
Where did Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) launch from?
Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Aug 4, 11:02 AM EDT local time at the pad.
Did the booster land?
Booster B1080 flew for the 10th time and landed at Landing Zone 1.
What orbit did Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) reach?
S.S. Francis R. Scobee, one of 10 catalogued objects, reached a 246 × 261 km orbit inclined 51.6°.
How many satellites did Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) launch?
10 payloads from this launch are catalogued (Data from J. McDowell, planet4589.org).
Which program is Cygnus CRS-2 NG-21 (S.S. Francis R. “Dick” Scobee) part of?
Commercial Resupply Services and International Space Station. About Commercial Resupply Services
