STS-55
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| Lua error in package.lua at line 80: module 'Module:InfoboxImage/data' not found. Spacelab Module LM1 in ColumbiaTemplate:'s payload bay, serving as the Spacelab D-2 laboratory | |
| Names | Space Transportation System-55 Spacelab D-2 |
|---|---|
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| Mission type | Microgravity research |
| Operator | NASA and DLR |
| SATCAT no. | Template:Wd |
| Mission duration | Template:Time interval |
| Distance travelled | Template:Cvt |
| Orbits completed | 160 |
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| Spacecraft properties | |
| Spacecraft | Space Shuttle Columbia |
| Landing mass | Template:Cvt |
| Payload mass | Template:Cvt |
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| Crew | |
| Crew size | 7 |
| Members | Page Template:Plainlist/styles.css has no content. |
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| Start of mission | |
| Launch date | April 26, 1993, 14:50:00 UTC (10:50 am EDT) |
| Launch site | Kennedy, LC-39A |
| Contractor | Rockwell International |
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| End of mission | |
| Landing date | May 6, 1993, 14:29:59 UTC (7:29:59 am PDT) |
| Landing site | Edwards, Runway 22 |
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| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Perigee altitude | Template:Cvt |
| Apogee altitude | Template:Cvt |
| Inclination | 28.45° |
| Period | 90.70 minutes |
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STS-55, or Deutschland 2 (D-2), was the 55th overall flight of the NASA Space Shuttle and the 14th flight of Shuttle Columbia. This flight was a multinational Spacelab flight involving 88 experiments from eleven different nations. The experiments ranged from biology sciences to simple Earth observations.
Crew
| Position | Astronaut | |
|---|---|---|
| Commander | Template:Flagicon Steven R. Nagel Member of Blue Team Fourth and last spaceflight | |
| Pilot | Template:Flagicon Terence T. Henricks Member of Blue Team Second spaceflight | |
| Mission Specialist 1 | Template:Flagicon Jerry L. Ross Member of Blue Team Fourth spaceflight | |
| Mission Specialist 2 Flight Engineer |
Template:Flagicon Charles J. Precourt Member of Red Team First spaceflight | |
| Mission Specialist 3 | Template:Flagicon Bernard A. Harris Jr. Member of Red Team First spaceflight | |
| Payload Specialist 1 | Template:Flagicon Ulrich Walter, DLR Member of Blue Team Only spaceflight | |
| Payload Specialist 2 | Template:Flagicon Hans Schlegel, DLR Member of Red Team First spaceflight | |
| Member of Blue Team Member of Blue Team Member of Red Team Member of Red Team | ||
| Position | Astronaut | |
|---|---|---|
| Payload Specialist 1 | Template:Flagicon Gerhard Thiele, DLR | |
| Payload Specialist 2 | Template:Flagicon Renate Brümmer, DLR | |
Crew seat assignments
| Seat[1] | Launch | Landing | File:Space Shuttle seating plan.svg Seats 1–4 are on the flight deck. Seats 5–7 are on the mid-deck. |
|---|---|---|---|
| 1 | Nagel | ||
| 2 | Henricks | ||
| 3 | Ross | Harris | |
| 4 | Precourt | ||
| 5 | Harris | Ross | |
| 6 | Walter | ||
| 7 | Schlegel | ||
Launch
Columbia was initially scheduled to launch in late February 1993. However, this date slipped to early March 1993 due to concerns with the tip-seal retainers in the main engines' oxidizer turbopumps. All three turbopumps were replaced at the pad but later inspection revealed the retainers to be in good condition. Further delays were caused by the burst of a hydraulic flex hose in the aft compartment during the Flight Readiness Test (FRT). The lines were removed and inspected and three replacements were installed.[2]
| Attempt | Planned | Result | Turnaround | Reason | Decision point | Weather go (%) | Notes |
|---|---|---|---|---|---|---|---|
| 1 | Script error: No such module "sort". | Scrubbed | — | Technical | Script error: No such module "sort". Template:Zwsp(T−00:00:03) | Pad abort: oxidizer purge valve jammed on a chunk of O-ring, all 3 main engines changed.[3] | |
| 2 | Script error: No such module "sort". | Scrubbed | 33 days 1 hour 1 minute | Technical | Possible faulty reading with one of the inertial measurement units.[4] | ||
| 3 | Script error: No such module "sort". | Success | 1 day 23 hours 58 minutes | Launched |
Mission highlights
Columbia carried to orbit the second reusable German Spacelab D-2 and demonstrated the shuttle's ability for international cooperation, exploration, and scientific research in space. The Spacelab module and an exterior experiment support structure contained in ColumbiaTemplate:'s payload bay comprised the Spacelab D-2 payload. The first German Spacelab flight, D-1, flew Shuttle mission STS-61-A in October 1985. The United States and Germany gained valuable experience for future space station operations.
The D-2 mission, as it was commonly called, augmented the German microgravity research program started by the D-1 mission. The German Aerospace Center (DLR) had been tasked by the German Space Agency (DARA – Deutsche Agentur für Raumfahrtangelegenheiten) to conduct the second mission. DLR, NASA, the European Space Agency (ESA), and agencies in France and Japan contributed to D-2's scientific program. Eleven nations participated in the experiments. Of the 88 experiments conducted on the D-2 mission, four were sponsored by NASA.
The crew worked in two shifts around-the-clock to complete investigations into the areas of fluid physics, materials sciences, life sciences, biological sciences, technology, Earth observations, atmospheric physics, and astronomy. Many of the experiments advanced the research of the D-1 mission by conducting similar tests, using upgraded processing hardware, or implementing methods that took full advantage of the technical advancements since 1985. The D-2 mission also contained several new experiments which were not previously flown on the D-1 mission.
The mission surpassed the 365th day in space for the Space Shuttle fleet and the 100th day of flight time in space for Columbia, the fleet's oldest Space Shuttle orbiter, on its fourteenth flight.
D-2 marked the first telerobotic capture of a free floating object by flight controllers in Germany. The crew conducted the first intravenous saline solution injection in space as part of an experiment to study the human body's response to direct fluid replacement as a countermeasure for amounts lost during space flight. They also successfully completed an in-flight maintenance procedure for collection of orbiter waste water, which allowed the mission to continue.
STS-55 crew members participated in two amateur radio experiments, SAREX II from the United States and the German SAFEX. These experiments allowed students and amateur radio operators from around the world to talk directly with the Space Shuttle in orbit and participated in a SpaceMedicine conference with the Mayo Clinic.
See also
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- List of human spaceflights
- List of Space Shuttle missions
- Outline of space science
- Space Shuttle
- Space Shuttle abort modes
References
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- ^ Page Module:Citation/CS1/styles.css has no content."STS-55". Spacefacts. Retrieved July 29, 2024.
- ^ Page Module:Citation/CS1/styles.css has no content.Fricke, Robert W. (July 1, 1993). STS-55 Space Shuttle mission report (PDF) (Report). NASA. Retrieved October 16, 2024.
- ^ Page Module:Citation/CS1/styles.css has no content."Former NASA Astronaut Steven Nagel Dies at 67". Space.com. August 22, 2014. Archived from the original on December 2, 2019. Retrieved March 15, 2020.
- ^ Page Module:Citation/CS1/styles.css has no content."NASA – STS-55". NASA. Archived from the original on July 5, 2015. Retrieved February 12, 2022.
This article incorporates text from this source, which is in the public domain.
External links
- NASA mission summary Script error: No such module "webarchive".
- STS-55 Video Highlights Script error: No such module "webarchive".
- NASA STS-55 official photo gallery Script error: No such module "webarchive".
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