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STS-61-A: Science, Mission summary & Records

STS-61-A (also known as Spacelab D-1) was the 22nd mission of NASA's Space Shuttle program. It was a scientific Spacelab mission, funded and directed by West Germany – hence the non-NASA designation of D-1 (for Deutschland-1). STS-61-A was the ninth and last successful flight of Space Shuttle Challenger before the STS-51-L disaster. STS-61-A holds the…

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STS-61-A topic overview

The analysis highlights Science, Mission summary and Records as prominent areas in the source structure around STS-61-A.

Related topics
34
Source areas
4
Connected nodes
38
Extracted relationships
82
Concept neighborhoods
14
Bridge connections
38

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 14 topics
Mission summary · 11 topics
Records · 8 topics
Mission insignia · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Apogee altitude
331 km (206 mi)
Contractor
Rockwell International
COSPAR ID
1985-104A
Crew size
8
Distance travelled
4,682,148 km (2,909,352 mi)
Inclination
57.00°

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Mission summary

Records

Mission insignia

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How STS-61-A connects Entity context

The extracted context around STS-61-A shows recurring relationship patterns in the source. For example, STS-61-A → Bluford, Bonnie, Buchli, Dunbar, Dutch, Ernst Messerschmid, ESA, EST, European Space Agency, Florida, GAS, German Unique Support Structure, Getaway Special, Global Low Orbiting Message, GLOMR, Guion, Hartsfield Jr, Henry, It, James Another extracted example is STS-61-A → Dutch, ESA, October, Shuttle, Space Shuttle, STS-41-G, STS-9, The, Ulf Merbold, West German, Wubbo Ockels. Use these groups to spot repeated connection types before inspecting the individual relationships.

STS-61-A

Top relations

related to Mission summary · 39
STS-61-A → Bluford, Bonnie, Buchli, Dunbar, Dutch, Ernst Messerschmid, ESA, EST, European Space Agency, Florida, GAS, German Unique Support Structure, Getaway Special, Global Low Orbiting Message, GLOMR, Guion, Hartsfield Jr, Henry, It, James
related to Records · 11
STS-61-A → Dutch, ESA, October, Shuttle, Space Shuttle, STS-41-G, STS-9, The, Ulf Merbold, West German, Wubbo Ockels
Members · 8
STS-61-A → Bonnie J. Dunbar, Ernst Messerschmid, Guion Bluford, Henry W. Hartsfield Jr., James Buchli, Reinhard Furrer, Steven R. Nagel, Wubbo Ockels
Apogee altitude · 1
STS-61-A → 331 km (206 mi)
Contractor · 1
STS-61-A → Rockwell International
COSPAR ID · 1
STS-61-A → 1985-104A
Crew size · 1
STS-61-A → 8
Distance travelled · 1
STS-61-A → 4,682,148 km (2,909,352 mi)
Inclination · 1
STS-61-A → 57.00°
Landing date · 1
STS-61-A → November 6, 1985, 17:44:51 (1985-11-06UTC17:44:52Z) UTC (9:44:51 am PST)

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

space mission spacelab shuttle crew first west bluford germany challenger ockels nasa furrer messerschmid launch module guion esa also d-1

STS-61-A relationships Subject–Predicate–Object triples

TTTA extracted 82 structured relationships around STS-61-A. Examples in this analysis include STS-61-A → Apogee altitude → 331 km (206 mi) and STS-61-A → Contractor → Rockwell International. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
STS-61-AApogee altitude331 km (206 mi)1.00infobox
STS-61-AContractorRockwell International1.00infobox
STS-61-ACOSPAR ID1985-104A1.00infobox
STS-61-ACrew size81.00infobox
STS-61-ADistance travelled4,682,148 km (2,909,352 mi)1.00infobox
STS-61-AInclination57.00°1.00infobox
STS-61-ALanding dateNovember 6, 1985, 17:44:51 (1985-11-06UTC17:44:52Z) UTC (9:44:51 am PST)1.00infobox
STS-61-ALanding mass97,144 kg (214,166 lb)1.00infobox
STS-61-ALanding siteEdwards, Runway 171.00infobox
STS-61-ALaunch dateOctober 30, 1985, 17:00:00 (1985-10-30UTC17Z) UTC (12:00 pm EST)1.00infobox
STS-61-ALaunch mass110,568 kg (243,761 lb)1.00infobox
STS-61-ALaunch siteKennedy, LC-39A1.00infobox
STS-61-AMembersHenry W. Hartsfield Jr.1.00infobox
STS-61-AMembersSteven R. Nagel1.00infobox
STS-61-AMembersBonnie J. Dunbar1.00infobox
STS-61-AMembersJames Buchli1.00infobox
STS-61-AMembersGuion Bluford1.00infobox
STS-61-AMembersReinhard Furrer1.00infobox
STS-61-AMembersErnst Messerschmid1.00infobox
STS-61-AMembersWubbo Ockels1.00infobox
STS-61-AMission duration7 days, 44 minutes, 51 seconds1.00infobox
STS-61-AMission typeMicrogravity research1.00infobox
STS-61-ANamesSpace Transportation System-22 Spacelab D-11.00infobox
STS-61-AOperatorNASA, West Germany and ESA1.00infobox
STS-61-AOrbits completed1121.00infobox
STS-61-APayload mass14,451 kg (31,859 lb)1.00infobox
STS-61-APerigee altitude319 km (198 mi)1.00infobox
STS-61-APeriod91.00 minutes1.00infobox
STS-61-AReference systemGeocentric orbit1.00infobox
STS-61-ARegimeLow Earth orbit1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around STS-61-A bring nearby vocabulary together. In this analysis, examples include Wubbo, West and Space. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • space shuttle program
    • Shuttle
    • Space
    • Challenger
    • Flight
    • Launch
    • Sts-61-a
    • Nasa
    • Esa
    • West
    • First
    • Spacelab
    • Ockels
  • space shuttle challenger
    • Shuttle
    • Space
    • Challenger
    • Launch
    • Flight
    • Sts-61-a
    • Landing
    • Nasa
    • Esa
    • Mission
    • West
    • First
  • european space agency
    • Shuttle
    • Sts-61-a
    • Nasa
    • Esa
    • Challenger
    • West
    • First
    • Spacelab
    • Ockels
    • Germany
    • Center
    • Members
  • german space operations center
    • Shuttle
    • Sts-61-a
    • West
    • Center
    • German
    • Nasa
    • Payload
    • Esa
    • Challenger
    • Germany
    • First
    • Spacelab
  • wubbo ockels
    • Ockels
    • Wubbo
    • Astronaut
    • Dutch
    • Ernst
    • Furrer
    • Messerschmid
    • Reinhard
    • Bluford
    • Buchli
    • Dunbar
    • First
  • mission summary
    • Shuttle
    • Spacelab
    • Space
    • West
    • Module
    • Challenger
    • Germany
    • Sts-61-a
    • Ernst
    • Furrer
    • Messerschmid
    • Reinhard
  • mission insignia
    • Shuttle
    • Spacelab
    • Space
    • West
    • Module
    • Challenger
    • Germany
    • Sts-61-a
    • Ernst
    • Furrer
    • Messerschmid
    • Reinhard
  • spacelab
    • Module
    • D-1
    • Mission
    • Nasa
    • Esa
    • Experiments
    • Space
    • Sts-61-a
    • Scientific
    • Shuttle
    • Ernst
    • Furrer

Connections between topic areas Semantic bridges

For STS-61-A, one of the stronger structural bridges in this analysis connects STS-61-A with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
STS-61-A — Overview · splits 24 ⟂ 15
STS-61-A — Mission summary · splits 27 ⟂ 12
STS-61-A — Records · splits 30 ⟂ 9

Map overview Semantic statistics

STS-61-A

Nodes39
Edges38
Triples82
Avg. degree1.95
Density0.051282
Components1

Source & methodology

TTTA analyzes the structure around STS-61-A to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Science, Mission summary & Records, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — STS-61-A · EN edition · Analysis: TopicsToTalkAbout

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