Northrop Grumman Space SystemsAntares 230Launch Area 0 A, Wallops Flight Facility, Virginia, USA
Cygnus CRS NG-11 (S.S. Roger Chaffee)
Launched
April 17, 2019
Image: NASA/Bill Ingalls
Summary
Cygnus CRS NG-11 (S.S. Roger Chaffee) launched on a Northrop Grumman Space Systems Antares 230 from Launch Area 0 A, Wallops Flight Facility, Virginia, USA on April 17, 2019. It was Northrop Grumman Space Systems's 2nd launch, 1st this year and humanity's 5,845th orbital launch attempt. It was the 5th Antares 230 flight and the 1st this year. The payload was bound for low Earth orbit (LEO). SS Roger Chaffee, one of 21 catalogued objects, reached a 292 × 387 km orbit inclined 51.6°. The spacecraft was Cygnus NG-11 "S.S. Roger Chaffee". 21 objects from this launch are catalogued, 20 of them payloads.
- Watch
- Vehicle
- Antares 230 · Northrop Grumman Space SystemsCommercial Resupply Services, International Space Station
- Booster
- No booster details on record.
- Mission
- Resupply · Low Earth Orbit (LEO)
- Milestone
- 5th Antares 230 flight · 1st this yearNorthrop Grumman Space Systems's 2nd launch1st this yearhumanity's 5,845th orbital launch attempt25th orbital launch attempt this year
Spacecraft
Cygnus NG-11 "S.S. Roger Chaffee"
Cygnus NG-11, previously known as CRS OA-11, is the twelfth planned flight of the Northrop Grumman robotic resupply spacecraft Cygnus and its eleventh flight to the International Space Station under the Commercial Resupply Services contract with NASA. The mission is scheduled to launch on 17 April 2019. This is the last mission from the extended CRS contract; followup missions are part of the CRS2 contract.
- Destination: International Space Station
- Mission length: 232 days
- Docked April 19, 2019 at Unity nadir
The Cygnus spacecraft burned up as planned upon entering Earth's atmosphere.
Webcast
Flight preview
Orbit: as tracked
SS Roger Chaffee · NORAD 44188 · 2019-022 · Space-Track · tracking 1 of 21 objects
Show the numbers for orbit elements
- Object
- TBA - TO BE ASSIGNED
- Object ID
- 2019-022A
- Epoch
- 2019-04-17 22:24:13 UTC
- Mean motion
- 15.79284427 rev/day
- Eccentricity
- 0.0070977
- Inclination
- 51.6384°
- Ascending node
- 300.7961°
- Arg. of perigee
- 305.2429°
- Mean anomaly
- 198.2207°
- 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.
Catalogued objects
21 catalogued: 20 payloads, 1 rocket stage
- SS Roger Chaffee · NORAD 44188
- Raavana-1 · NORAD 44329 · re-entered October 3, 2021
- Uguisu · NORAD 44330 · re-entered October 7, 2021
- NepaliSat-1 · NORAD 44331 · re-entered October 3, 2021
- SpooQy-1 · NORAD 44332 · re-entered October 16, 2021
- IOD-1 GEMS · NORAD 44385 · re-entered April 3, 2021
- Swiatowid · NORAD 44426 · re-entered March 14, 2021
- KRAKsat · NORAD 44427 · re-entered January 18, 2022
- Aeternitas · NORAD 44428 · re-entered October 18, 2021
- EntrySat · NORAD 44429 · re-entered August 10, 2021
- Ceres · NORAD 44430 · re-entered May 15, 2021
- Libertas · NORAD 44431 · re-entered October 13, 2021
Show 8 more payloads
- Dougsat · NORAD 44484 · re-entered May 16, 2023
- Jimsat · NORAD 44485 · re-entered May 4, 2023
- Venturini · NORAD 44516 · re-entered February 12, 2020
- Seeker · NORAD 44533 · re-entered December 5, 2023
- Gangestad · NORAD 45174 · re-entered August 7, 2020
- Fuller · NORAD 45528 · re-entered October 15, 2020
- Golf · NORAD 46928 · re-entered February 13, 2021
- Jackie · NORAD 48156 · re-entered July 8, 2021
Antares A-10 Stage 2 · re-entered April 28, 2019
Data from J. McDowell, planet4589.org
About this launch
This is the 12th planned flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 11th flight to the International Space Station under the Commercial Resupply Services contract with NASA. Northrop Grumman named the vehicle after Apollo 1 astronaut Roger Chaffee.
Pad
Launch Area 0 A, Wallops Flight Facility, Virginia, USA
11th launch from Launch Area 0 A, 1st this year · 64th from Wallops Flight Facility, Virginia, USA
19 launches from this pad · 87 from Wallops Flight Facility, Virginia, USA
151 days after the previous launch from this pad
All launches from Wallops Flight Facility, Virginia, USAOpen in maps
Questions
When did Cygnus CRS NG-11 (S.S. Roger Chaffee) launch?
Cygnus CRS NG-11 (S.S. Roger Chaffee) launched on April 17, 2019. The time is known to the hour, not the minute.
Where can I watch Cygnus CRS NG-11 (S.S. Roger Chaffee)?
Coverage: NG-11: Antares 230 launches S.S. Roger Chaffee Cygnus; Northrop Grumman Cygnus CRS 11 Launch April 17, 2019. Watch the replay
What rocket launched Cygnus CRS NG-11 (S.S. Roger Chaffee)?
Antares 230, flown by Northrop Grumman Space Systems. Antares 230 spec sheet
Where did Cygnus CRS NG-11 (S.S. Roger Chaffee) launch from?
Launch Area 0 A, Wallops Flight Facility, Virginia, USA.
What orbit did Cygnus CRS NG-11 (S.S. Roger Chaffee) reach?
SS Roger Chaffee, one of 21 catalogued objects, reached a 292 × 387 km orbit inclined 51.6°.
How many satellites did Cygnus CRS NG-11 (S.S. Roger Chaffee) launch?
20 payloads from this launch are catalogued (Data from J. McDowell, planet4589.org).
Which program is Cygnus CRS NG-11 (S.S. Roger Chaffee) part of?
Commercial Resupply Services and International Space Station. About Commercial Resupply Services