Still good news, as tomorrow's launch of the satellite on a national security mission is still a go.
The ULA launch readiness review was completed today and everything is progressing toward the ULA Atlas V NROL-42 launch in support of national security. The mission, for the National Reconnaissance Office, is set to lift off on a ULA Atlas V rocket on Thursday, September 21 from Space Launch Complex-3 at Vandenberg Air Force Base in California.
Today’s L-1 weather forecast continues to show 60 percent favorable conditions for launch. The launch time is 10:38 p.m. PDT.
Atlas V NROL-42 mission profile located here:
Launch Day Forecast
- Overall probability of violating weather constraints: 40 percent
- Areas of concern: Launch Visibility, Ground Winds
- Overall probability of violating weather constraints for 24 Hour Delay: 10 percent
- Areas of concern: Ground Winds
Launch Broadcast Satellite Coordinates + Webcast
ALL TIMES PACIFIC
LAUNCH – SEPTEMBER 21, 2017
BARS AND TONE – 9:47 P.M.
PROGRAM START – 10:18 P.M.
TRANSMISSION FOR DIGITAL HIGH DEFINITON
SATELLITE: SES 3
BAND: C-Band Digital
ORBITAL POSITION: 103 degrees west
HD BANDWIDTH: 18 MHz (Half Transponder ‘CD’)
UPLINK FREQ: 6,414.000 MHz (Horizontal)
DOWNLINK FREQ: 4,189.000 MHz (Vertical)
SYMBOL RATE: 13
DATA RATE: 17.9705