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Pioneer anomaly

observed deviation from predicted accelerations of the Pioneer 10 and Pioneer 11 spacecraft
Thing anomaly Q569091
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Pioneer anomaly

Summary

Pioneer anomaly is an anomaly[1]. It draws 149 Wikipedia views per month (anomaly category, ranking #4 of 11).[2]

Key Facts

  • Pioneer anomaly's instance of is recorded as anomaly[3].
  • Pioneer 10 is named after Pioneer anomaly[4].
  • Pioneer 11 is named after Pioneer anomaly[5].
  • Pioneer anomaly's time of discovery or invention is recorded as +1980-00-00T00:00:00Z[6].
  • Pioneer anomaly's Freebase ID is recorded as /m/03wbpq[7].
  • Pioneer anomaly's Microsoft Academic ID is recorded as 203542878[8].

Why It Matters

Pioneer anomaly draws 149 Wikipedia views per month (anomaly category, ranking #4 of 11).[2] It has Wikipedia articles in 21 language editions, a strong signal of global cultural recognition.[9] It is known by 9 alternative names across languages and contexts.[10]

Related Entities

Pioneer 10 Pioneer 11

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . Freebase Data Dumps. wikidata.org.
  6. [8] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [9] ↑ . Wikidata sitelinks. wikidata.org.
  3. [10] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

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). Pioneer anomaly. Retrieved May 3, 2026, from https://4ort.xyz/entity/pioneer-anomaly
MLA “Pioneer anomaly.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/pioneer-anomaly.
BibTeX @misc{4ortxyz_pioneer-anomaly_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Pioneer anomaly}}, year = {2026}, url = {https://4ort.xyz/entity/pioneer-anomaly}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Pioneer anomaly — https://4ort.xyz/entity/pioneer-anomaly (retrieved 2026-05-03)

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