Antares Countdown Progresses; Weather 99% Favorable

The countdown is progressing smoothly today for the launch of Orbital Sciences Corp.’s Antares rocket, with the Cygnus cargo spacecraft on top. There are no technical concerns with the rocket or spacecraft being worked. The weather for this evening’s launch is predicted to be 99-percent favorable.

Liftoff is scheduled for 6:45 p.m. EDT from the Mid-Atlantic Spaceport’s Pad 0A at NASA’s Wallops Flight Facility in Virginia.

Antares rocket at launch pad
Antares at its launch pad on Oct. 27, 2014. Credit: NASA’s Wallops Flight Facility

Live coverage of the launch on NASA TV will begin at 5:45 p.m. here and on this blog.

Cygnus is loaded with about 5,000 pounds of science investigations, food, supplies and hardware for the space station and its crew.

A launch this evening will result in Cygnus catching up to the space station on Sunday, Nov. 2. Cygnus will be grappled at approximately 4:58 a.m. by NASA crew members Reid Wiseman and Barry “Butch” Wilmore. Cygnus will be attached to the Earth-facing port of the station’s Harmony node and will remain in place approximately one month. It is scheduled depart the space station on Dec. 3.

This is Orbital’s third mission to the International Space Station under its Commercial Resupply Services contract with NASA.

› How to view the CRS-3 launch
› Share your launch photos with NASA on Flickr
› More launch information and TV coverage details
› NASA’s Orbital website
› Related images on Flickr