20 February 2021, 17:36 UTC
Cygnus CRS-2 NG-15 (S.S. Katherine Johnson)

Northrop Grumman's Cygnus NG-15, named S.S. Katherine Johnson for the pioneering NASA mathematician, delivered roughly 3,600 kg of cargo and experiments to the ISS on this Antares 230+ resupply flight from Wallops.
- Outcome
- Success
- Orbit
- LEO
- Low Earth orbit
- Payload to orbit
- 12 T
- Flight
- 4th
- of 8 Antares 230+ flights
- Date and time
- 20 February 2021, 17:36 UTC
- Rocket
- Antares 230+
- Builder
- NGSS
- Launch site
- Launch Area 0 A, Wallops Flight Facility, Virginia, USA
- Payload
- Resupply
- International designator
- 2021-013
- Launches in 2021
- 14th of 146
See it in orbit
Space Atlas shows the satellites and rocket stages from this launch in 3D.
View satellites in Space Atlas