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SpaceXFalcon 9 Block 5Space Launch Complex 40, Cape Canaveral SFS, FL, USA

Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)

Launched

January 30, 2024 · 17:07 UTC

Launch SuccessfulWeather 95% go
Cygnus NG-20 Patch

Summary

Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) launched on a SpaceX Falcon 9 Block 5 from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on January 30, 2024 at 17:07 UTC. It was SpaceX's 321st launch, 10th this year and humanity's 6,610th orbital launch attempt. It was the 239th Falcon 9 Block 5 flight and the 10th this year. Booster B1077 flew for the 10th time and landed at Landing Zone 1. The payload was bound for low Earth orbit (LEO). It reached a 249 × 258 km orbit inclined 51.7°. The spacecraft was Cygnus CRS NG-20 (S.S. Patricia “Patty” Hilliard Robertson). One object from this launch is catalogued.

Watch
Vehicle
Falcon 9 Block 5 · SpaceXCommercial Resupply Services, International Space Station
Booster
  • B1077 · flight 10 · Return to Launch Site at Landing Zone 1 · landed53/54 landed here · 54 days after its previous flight, Starlink Group 6-33 · 9 km downrange
Mission
Resupply · Low Earth Orbit (LEO)for NASA, NGSS
Milestone
239th Falcon 9 Block 5 flight · 10th this yearSpaceX's 321st launch10th this yearhumanity's 6,610th orbital launch attempt21st orbital launch attempt this year

Spacecraft

Cygnus CRS NG-20 (S.S. Patricia “Patty” Hilliard Robertson)

This is the twentieth flight to the ISS by the Cygnus spacecraft under the CRS program and their ninth under the CRS-2 program. This is also the 16th use of the enhanced size Cygnus.

  • Destination: International Space Station
  • Mission length: 164 days
  • Docked February 1, 2024 at Unity nadir

The Cygnus spacecraft will burn up upon entering Earth's atmosphere.

Webcast

Replay
Watch on YouTube

Flight preview

Simulate in Flight Club

Orbit: as tracked

51.7°Inclination
249 × 258 kmPerigee × apogeefrom mean elements
89.4 minPeriodfrom mean elements
282.0°Ascending node
989 d agoElement epoch2024-01-30 17:31 UTC · stale

S.S. Patricia Robertson · NORAD 58898 · 2024-021 · Space-Track

Show the numbers for orbit elements
Object
TBA - TO BE ASSIGNED
Object ID
2024-021A
Epoch
2024-01-30 17:31:40 UTC
Mean motion
16.10056681 rev/day
Eccentricity
0.000653
Inclination
51.6582°
Ascending node
281.9796°
Arg. of perigee
279.3538°
Mean anomaly
192.9459°
Element set
999
Rev at epoch
0
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

23 steps, T−38 min to T+14 min 40 s
  1. T−38MGO for Prop Load
  2. T−35MProp Load
  3. T−35MStage 1 LOX Load
  4. T−16MStage 2 LOX Load
  5. T−7MEngine Chill
  6. T−1MTank Press
  7. T−1MStartup
  8. T−45SGO for Launch
  9. T−3SIgnition
  10. T−0Liftoff
  11. T+1M7SMax-Q
  12. T+2M16SMECO
  13. T+2M20SStage 2 Separation
  14. T+2M27SSES-1
  15. T+2M33SBooster Boostback Burn Startup
  16. T+2M55SFairing Separation
  17. T+3M22SBooster Boostback Burn Shutdown
  18. T+6M38SEntry Burn Startup
  19. T+6M55SEntry Burn Shutdown
  20. T+7M50SStage 1 Landing Burn
  21. T+8M15SStage 1 Landing
  22. T+8M38SSECO-1
  23. T+14M40SCygnus Deployment

Catalogued objects

1 catalogued: 1 payload

  • S.S. Patricia Robertson · NORAD 58898

Data from J. McDowell, planet4589.org

About this launch

This is the 20th flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 19th flight to the International Space Station under the Commercial Resupply Services contract with NASA.

Official page: SpaceXOfficial page: NASA Commercial Resupply Mission NG-20

Pad

Map of Space Launch Complex 40

Space Launch Complex 40, Cape Canaveral SFS, FL, USA

222nd launch from Space Launch Complex 40, 4th this year · 932nd from Cape Canaveral SFS, FL, USA

Local pad time at liftoff: Jan 30, 12:07 PM EST, in daylight

403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

15 days after the previous launch from this pad

All launches from Cape Canaveral SFS, FL, USAOpen in maps

Updates

Launch success.

Cosmic_Penguin · Jan 30, 2024 · source

Show 9 earlier updates

  • Liftoff

    hitura-nobad · 1/30/2024 · source

  • Livestream has started

    LL2 · 1/30/2024 · source

  • Weather 95% GO

    hitura-nobad · 1/29/2024 · source

  • Delayed by a day

    SwGustav · 1/27/2024 · source

  • Adding seconds to T-0

    Nosu · 1/18/2024 · source

  • Tweaked T-0.

    Cosmic_Penguin · 1/11/2024 · source

  • Updated T-0.

    Cosmic_Penguin · 1/7/2024 · source

  • Added launch time.

    Cosmic_Penguin · 12/31/2023 · source

  • NET Jan 29

    hitura-nobad · 12/6/2023 · source

Questions

When did Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) launch?

Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) launched on January 30, 2024 at 17:07 UTC.

Where can I watch Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)?

Coverage: Launch of Northrop Grumman’s 20th Cargo Mission to the Space Station (Official NASA Broadcast); NG-20 Mission; SpaceX Falcon 9 Launches Cygnus NG-20 to the ISS. Watch the replay

What rocket launched Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson)?

Falcon 9 Block 5, flown by SpaceX. Falcon 9 Block 5 spec sheet

Where did Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) launch from?

Space Launch Complex 40, Cape Canaveral SFS, FL, USA. Liftoff was Jan 30, 12:07 PM EST local time at the pad.

Did the booster land?

Booster B1077 flew for the 10th time and landed at Landing Zone 1.

What orbit did Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) reach?

It reached a 249 × 258 km orbit inclined 51.7°.

Which program is Cygnus CRS-2 NG-20 (S.S. Patricia “Patty” Hilliard Robertson) part of?

Commercial Resupply Services and International Space Station. About Commercial Resupply Services