Manifest / 01Go
Unknown Payload
Long March 6C
ProviderChina Aerospace Science and Technology Corporation
PadLaunch Complex 9A
DateAug 25, 2026
PrecisionAbout 03:20 AM UTC
Schedule watchTracking updates
T– about 5hWindow opens 03:15 AM UTC
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Success
Cygnus CRS-2 NG-15 (S.S. Katherine Johnson)
Antares 230+Northrop Grumman Space SystemsLaunch Area 0 A
Saturday, February 20, 2021 · 05:36 PM UTC
This mission is complete.
Mission Brief
This is the 15th planned flight of the Orbital ATK's uncrewed resupply spacecraft Cygnus and its 14th flight to the International Space Station under the Commercial Resupply Services contract with NASA. This Cygnus spacecraft carries the name of American mathematician Katherine Johnson, whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights.
PayloadCygnus CRS-2 NG-15 (S.S. Katherine Johnson)
OrbitLow Earth Orbit
CustomerCommercial Resupply Services, International Space Station
StagesUnknown
PadLaunch Area 0 A, Wallops Flight Facility, Virginia, USA
WeatherNo formal weather concerns published, temperature not reported
Mission Timeline
14 / 14100%Ground vector
Launch site
Site locked
Launch Area 0 A
Wallops Flight Facility, Virginia, USA
Global range
- Latitude
- 37.834°N
- Longitude
- 75.488°W
Range Weather
Launch commit criteria
75%
GO
WatchNo active constraints
Weather Rules
No formal weather rule concerns published.
- Primary concern
- None published
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
Window
05:36 PM UTC - 05:41 PM UTC
Provider
Northrop Grumman Space Systems
Profile →USA • Founded 2015
Northrup Grumman Space Systems designs, builds and delivers space, defence and aviation-related systems to customers around the world. They aquired Orbital ATK in 2018 along with its launchers and ongoing missi...
Schedule History
No meaningful launch-time or status changes recorded.
