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Centaur Engine Cutoff

The single RL-10 engine of the Centaur stage has shut down on schedule. Standing by for separation of Cygnus.

oa6-launch-2

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

One Minute Left in Centaur Burn

The Centaur upper stage will continue to burn another minutes to finalize the Cygnus on its orbit. A few minutes later, the Cygnus will separate from the upper stage and pursue the space station on its own.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

Speed Continues to Increase for Centaur/Cygnus

The single RL-10 engine on the Centaur upper stage continues to burn its hydrogen and oxygen propellants as the stage and attached Cygnus spacecraft continue to pick up speed on their way to orbital velocity. Down range more than 1,600 miles now, the spacecraft and rocket stage just passed 12,000 mph.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

10,065+ Mph

The Centaur continues to push the Cygnus spacecraft higher and faster. The two are moving faster than 10,000 mph and are more than 205 miles above the planet. They are more than 1,000 miles downrange of the Florida spaceport.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

21 Minutes to Orbit

The launch phase, which is going very smoothly, will take 21 minutes to complete. An hour and half after launch, commands will be given to deploy the Cygnus spacecraft’s UltraFlex solar arrays that will recharge the batteries.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

‘Right Down the Middle’

United Launch Alliance reports the Atlas V and Cygnus spacecraft are flying ‘right down the middle” of their course.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

First Stage Separates, Centaur Ignites

The Centaur upper stage has taken over after the first stage burned through its propellants and fell away.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

31 Miles and Climbing, 4,649+ Mph

The Atlas V is climbing fast to put Cygnus on its proper orbit. 31 miles, 4,649 mph. The booster will maintain a 3.5-G load on the vehicle during the climb into space.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

Mach 1

The Atlas V and Cygnus have broken the sound barrier and are passing through the area of maximum dynamic pressure.

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

Atlas V Lights up Night Sky!

The 933,000-pound-thrust engine of the Atlas V has illuminated the Florida coast tonight as it lifts the Cygnus cargo spacecraft to the International Space Station!. All systems go!

Author Steven SiceloffPosted on March 22, 2016October 21, 2016Categories Uncategorized

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Editor’s Note

On June 6, 2018, Orbital ATK, one of the original commercial resuppliers along with SpaceX, was officially acquired by Northrop Grumman. Visit the Northrop Grumman blog for continued coverage of commercial resupply launches.

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