Ball Aerospace Completes Payload-to-Bus Integration for Orbital Express NextSat/CSC Spacecraft

The NextSat/CSC bus is part of a dual-satellite mission to demonstrate the capability of robotic refueling, reconfiguring and repairs of a spacecraft on orbit. The program is expected to be the first-of-its-kind autonomous servicing demonstration. (Ball Aerospace photo)

BOULDER, Colo., Feb. 13, 2006/Satnews Daily/ — Ball Aerospace & Technologies Corp. said on Friday it has completed integration of the payload and bus modules on the NextSat Commodities Spacecraft (NextSat/CSC) for the Defense Advanced Research Projects Agency's (DARPA) Orbital Express program.

The NextSat/CSC bus is part of a dual-satellite mission to demonstrate the capability of robotic refueling, reconfiguring and repairs of a spacecraft on orbit. The program is expected to be the first-of-its-kind autonomous servicing demonstration.

“Ball Aerospace brings to this program the reputation for innovation that is needed to change what we know is possible in space,” says David L. Taylor, president and chief executive officer of Ball Aerospace.

Payloads recently integrated into the NextSat/CSC include: a fluid transfer system for the on-orbit refueling demonstration; a capture mechanism to allow docking with the servicing spacecraft; and a crosslink transponder for inter-satellite communications. With the payloads fully integrated, the NextSat/CSC weighs just under 500 pounds. The spacecraft is now being readied for integrated systems testing.

The Orbital Express mission includes the Autonomous Space Transfer and Robotic Orbiter, or ASTRO, and the NextSat/CSC. Launched in a "stacked," or mated, flight configuration the two spacecraft are designed to transfer between them spacecraft fuel and an Orbital Replacement Unit (ORU) containing a backup battery. The two spacecraft will then separate and demonstrate rendezvous and capture from increasing distances and levels of autonomy.

The NextSat/CSC has a dual role in the Orbital Express mission emulating the "client" or serviceable spacecraft, and as the "commodities" spacecraft which, in an operational spacecraft constellation, would be an orbiting depot storing fuel and replacement or upgraded spacecraft components.

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