NASA, International Space Station, Northrop Grumman, Cygnus, Antares, Katherine Johnson, Wallops Flight Facility DRAMATIC LAUNCH: Watch this rocket BLAST OFF on a mission to resupply the ISS
, five, four, three, two one: we have engine ignition, the ss katherine johnson, takes flight on this. The 59th anniversary of john glenn’s mercury flight carrying 8 000 pounds of cargo to the international space station good performance on the first stage so far, Music m stage, one continues: nominal performance inches at 100 percent, good good, core pressures. Music engines remain steady attitude, Music, max q attitude, nominal first stage, passing through the area of maximum dynamic pressure on the rocket Music 90 seconds into the flight. This first stage burns for a little over three minutes. Three minutes 18 seconds until main engine cut off about 90 seconds to stage one burnout attitude nominal engines at 100 and steady Music, t plus two minutes. All subsystems continue in nominal performance, also system sub systems are nominal uh, we’ll, be ready to shift down to uh 80 on the engines at 170. start slow, throttle down throttling down at three minutes into the flight main engine cutoff coming soon throttle down to 55 main Engine cutoff we have miko and terry’s entering into a co stage. Fairing separation will occur about 30 seconds later, as we lose sight of vehicle now. Switching to animation, some controlled firings uh on the inter stage of the rocket attitude nominal good separation, 20 seconds to stage two ignition all subsystems, nominal fairing separation, enter stage. Separation confirm fairing separation and interstage stage 2 ignition stage 2 ignition confirmed stage. 2 is a solid rocket motor burns for about 2 minutes 44 seconds stage.
Two will continue to burn for another approximately two minutes: altitude: 138 kilometers uh mission time 300 seconds, velocity 4.8 kilometers per second altitude, 150 kilometers. All systems continue to perform nominally good calls 5 minutes 15 seconds into today’s flight hd. Motor pressure, nominal attitude – nominal altitude is 170 kilometers, roughly one minute to stage two burnout. All stage 2 and gnc parameters continue to be nominal 6 minutes 15 seconds into the flight uh coming up on stage two burnout of that solid rocket motor that’ll initiate a two minute coast period until uh second stage separation stage, two starting to tail off roughly 15 Seconds to burn out stage 2 burnout attitude, nominal stage, two burnout, good attitude: uh we’ll, er we’re in a coast period now cygnus exposed after that uh fairing separation and will continue to carry the second stage with it. Until about nine minutes into the flight attitude attitude. Nominal expected attitude control system, thruster firings received continuing on course, roughly one minute to payload separation, altitude, 185 kilometers velocity 7.5 kilometers per second. All systems continue to operate as expected, approximately 30 seconds to spacecraft separation attitude. Nominal systems continue to perform as expected attitude corrections, maintaining expectations lcgso. I just released red team to the pad copy that spacecraft separation confirmed nine minutes into today’s. Flight cygnus has separated from the second stage lc ace. That concludes our callouts copy, that ace okay, uh ng. 15 excellent job today let’s go ahead and wrap up through this post, launch checklist, um and prop one uh uh.
Can you report on status of pulse purging? The pulse purging has just started copy that we’ll check 430. and uh gnc 1lc. When you have the antarctic state factor to the cygnus poc emailed confirmed, give me a call back on step 431 copy and work from the wallops range control center in wallops island virginia some celebratory fist bumps as they successfully delivered cygnus into orbit a nine minute flight. On top of antares from virginia space’s, mid atlantic regional spaceport uh into orbit cygnus now flying free, the ss katherine johnson in flight will make its one and a half day.