current status  crew payloads timelines presskits Aging telemetry data tracking displays sightings Orbital Elements NTV Videos Photos images Audio sounds Ask the crew Ask the MCC sign in Reference archives Nasa Logo overview real time ground support shuttle
landing.jpg (22k)
menubar.jpg (18k)

Powered by PSINet

The primary objective of STS-95 is to conduct a variety of science experiments being carried in the pressurized Spacehab module, the deployment and retrieval of the Spartan free-flyer payload, and operations with the HST Orbiting Systems Test (HOST) and the International Extreme Ultraviolet Hitchhiker (IEH) payloads being carried in the payload bay.

Once on orbit, the astronauts are ready to begin the work needed to accomplish the mission's goals. These goals range from deploying, retrieving and repairing satellites to docking with space stations to conducting important scientific research that is used to benefit people on Earth. Each mission has its own profile designed to meet primary and secondary objectives, which require years of preparation by hundreds of scientists, engineers and technicians. As the shuttle orbits the Earth, flight controllers, engineers and scientists on the ground carefully watch over shuttle and payload systems, helping the crew accomplish the mission goals safely and effectively, making the most of the extremely limited time they have in the weightless environment of space. Various other control centers may be involved in this support, depending on the objectives and payloads involved on the flight.

Shuttle "The space shuttle is the world's greatest all-electric flying machine," according to former Astronaut Kim Crippen, one of its first pilots. Here are details about the machine, the astronauts who work aboard it and the tasks they perform, the payloads that are launched or retrieved and, now, the other spacecraft with which it docks.

Mission Control Since 1965, the Mission Control Center has been the nerve center for America's manned space program. The men and women who work in Building 30 at the Johnson Space Center have been vital to the success of every manned space flight since Gemini 4. These teams of experienced engineers and technicians monitor systems and activities aboard spacecraft 24 hours a day during missions, using some of the most sophisticated communication, computer, data reduction, and data display equipment available and provide the expertise needed to deal with the unexpected.

Payloads Among the primary objectives for all shuttle missions are the scientific and technical goals of the onboard payloads. While on orbit, most crew time is occupied with the varied tasks required to meet these goals. A payload may be as simple as a seedling or as complex as a multi-stage deployable satellite. It might be small enough to fit in a middeck locker, or it might fill the entire cargo bay. Most shuttle missions fly a combination of several payloads of differing size and complexity. Here is a description of the payloads for this mission.

Real-Time Data Flight controllers in NASA's Mission Control Center monitor thousands of parameters of data on the performance of the shuttle and its systems during the orbit phase. Here are several streams of telemetry downlinked directly from the shuttle and seen much as flight controllers see them. A glossary of terms is available for the telemetry data.

Countdown | Launch | Orbit | Landing
Status | Crew | Sightings
Orbital Elements | Tracking | Realtime Data
NASA TV | Video | Photos | Audio
Sign In | Reference | Archives | Search

International Space Station
NASA Shuttle Web | NASA Home | Help
Curator: Kim Dismukes

Responsible NASA Official: John Ira Petty
Updated: 22 October 1998

What you should know about Web Accessibility and Policy Notices