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STP S81-1

US Air Force photo surveillance satellite
Vehicle kh_9_hexagon Q113129940
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Summary

STP S81-1 is a KH-9 Hexagon[1]. It is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • STP S81-1's instance of is recorded as KH-9 Hexagon[3].
  • STP S81-1's space launch vehicle is recorded as Titan IIID[4].
  • STP S81-1's UTC date of spacecraft launch is recorded as May 11, 1982[5].

Why It Matters

STP S81-1 is known by 5 alternative names across languages and contexts.[2]

Related Entities

artificial satellite Titan IIID

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . Jonathan's Space Report. wikidata.org.
  3. [5] ↑ . Jonathan's Space Report. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). STP S81-1. Retrieved October 4, 2026, from https://4ort.xyz/entity/stp-s81-1
MLA “STP S81-1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Oct. 2026, https://4ort.xyz/entity/stp-s81-1.
BibTeX @misc{4ortxyz_stp-s81-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{STP S81-1}}, year = {2026}, url = {https://4ort.xyz/entity/stp-s81-1}, note = {Accessed: 2026-10-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): STP S81-1 — https://4ort.xyz/entity/stp-s81-1 (retrieved 2026-10-04)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 13d ago · Huntster · 2026-10-04 view diff on Wikidata ↗
    Nssdca id → 1982-041A
    Launch date → —
    Wikidata description → US Air Force photo surveillance satellite
    Utc date of spacecraft launch → +1982-05-11T00:00:00Z
    + 10 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update:2||1 */ Instance of: KH-9 Hexagon"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.