Manifest / 02
JPSS 4 (Joint Polar Satellite System spacecraft No. 4)
NextGo for Prop LoadT-35:00
Time to launch
Vehicle
Falcon 9 Block 5
Profile →Falcon 9 is a two-stage rocket designed and manufactured by SpaceX for the reliable and safe transport of satellites and the Dragon spacecraft into orbit. The Block 5 variant is the fif...
Provider
SpaceX
Profile →USA • Founded 2002
Space Exploration Technologies Corp., known as SpaceX, is an American aerospace manufacturer and space transport services company headquartered in Hawthorne, California. It was founded in 2002 by entrepreneur E...
Mission Brief
The JPSS constellation of satellites collects global multi-spectral radiometry and other specialized meteorologic, oceanographic, and solar-geophysical data via remote sensing of land, sea, and atmospheric properties. These data support NOAA’s mission for continuous observation of Earth’s environment to understand and predict changes in weather, climate, oceans, and coasts to support the nation’s economy and protect lives and property. NASA uses the instruments aboard the JPSS satellites to continue decades of Earth science research for the betterment of humanity. JPSS-4 carries the NASA Earth Venture mission Libera, an instrument to improve our understanding of trends in Earth’s energy imbalance and our changing climate.
Mission Timeline
0 / 200%Go for Prop Load
Launch director gives the go to begin fueling
- Go for Prop LoadT-35:0011:25 PM UTC
- RP-1 Loading BeginsT-35:0011:25 PM UTC
- Stage 1 LOX Loading BeginsT-35:0011:25 PM UTC
- Stage 2 LOX Loading BeginsT-16:0011:44 PM UTC
- Engine Chill BeginsT-07:0011:53 PM UTC
- Flight Computer Final ChecksT-01:0011:59 PM UTC
- Tanks Pressurize for FlightT-01:0011:59 PM UTC
- Strongback Retract BeginsT-00:4511:59 PM UTC
- Engine Ignition Sequence StartsT-00:0311:59 PM UTC
Ground vector
Launch site
Space Launch Complex 4E
Vandenberg SFB, CA, USA
- Latitude
- 34.632°N
- Longitude
- 120.611°W
Range Weather
Launch commit criteria
Tracking no weather issues at this time.
- Primary concern
- No weather issues
- Rule count
- 0
- Temperature
- Not reported
- Surface wind
- Not reported
12:00 AM UTC - 12:00 AM UTC
Schedule History
No delays or schedule changes recorded.

