Masaru Arai

Japanese astronomer
Person human Q1369831
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Masaru Arai

Summary

Masaru Arai is a human[1]. Born in Saitama Prefecture[2], he… he was born on +1952-01-01T00:00:00Z[3]. He worked as an astronomer[4]. He ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,295 of 1,000,298).[5]

Key Facts

  • Masaru Arai was born in Saitama Prefecture[2].
  • Masaru Arai was born on +1952-01-01T00:00:00Z[3].
  • Masaru Arai held citizenship in Japan[6].
  • Masaru Arai worked as an astronomer[4].
  • Masaru Arai was employed by Yorii Observatory[7].
  • A notable work attributed to Masaru Arai is discoverer of asteroids[8].
  • Masaru Arai is recorded as male[9].
  • Masaru Arai's instance of is recorded as human[10].
  • Masaru Arai's Freebase ID is recorded as /m/0393zy[11].
  • Masaru Arai's family name is recorded as Arai[12].
  • Masaru Arai's given name is recorded as Masaru[13].
  • Masaru Arai's name in native language is recorded as {'lang': 'ja', 'text': '新井優'}[14].
  • Masaru Arai's name in kana is recorded as あらい まさる[15].

Body

Origins and Family

Masaru Arai was born in Saitama Prefecture[2]. He was born on +1952-01-01T00:00:00Z[3].

Career and Affiliations

Masaru Arai's professions included astronomer[4]. He was employed by Yorii Observatory[7].

Works and Contributions

A notable work attributed to Masaru Arai is discoverer of asteroids[8].

Why It Matters

Masaru Arai ranks in the top 0.73% of human entities by monthly Wikipedia readership (7 views/month, #7,295 of 1,000,298).[5] He has Wikipedia articles in 12 language editions, a strong signal of global cultural recognition.[16] He is known by 3 alternative names across languages and contexts.[17]

He is credited with the discovery of 4901 Ó Briain[18], an asteroid[19]; (5746) 1991 CK[20], an asteroid[21]; 3996 Fugaku[22], an asteroid[23]; (9952) 1991 AK[24], an asteroid[25]; (6325) 1991 EA1[26], an asteroid[27]; and 6299 Reizoutoyoko[28], an asteroid[29].

FAQs

Where was Masaru Arai born?

Born in Saitama Prefecture[2], Masaru Arai…

What did Masaru Arai do for work?

Masaru Arai worked as astronomer[4].

What did Masaru Arai discover?

Masaru Arai is credited as discoverer of 4901 Ó Briain[18], (5746) 1991 CK[20], 3996 Fugaku[22], and (9952) 1991 AK[24].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [9] . wikidata.org.
  3. [6] . wikidata.org.
  4. [10] . wikidata.org.
  5. [4] . wikidata.org.
  6. [7] . wikidata.org.
  7. [3] . wikidata.org.
  8. [11] . Freebase Data Dumps. wikidata.org.
  9. [12] . wikidata.org.
  10. [13] . wikidata.org.
  11. [8] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [18] . wikidata.org. → on this site
  2. [20] . wikidata.org. → on this site
  3. [22] . wikidata.org. → on this site
  4. [24] . wikidata.org. → on this site
  5. [26] . wikidata.org. → on this site
  6. [28] . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [19] . Wikidata. wikidata.org. → on this site
  2. [21] . Wikidata. wikidata.org. → on this site
  3. [23] . Wikidata. wikidata.org. → on this site
  4. [25] . Wikidata. wikidata.org. → on this site
  5. [27] . Wikidata. wikidata.org. → on this site
  6. [29] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [5] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [16] . Wikidata sitelinks. wikidata.org.
  3. [17] . 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). Masaru Arai. Retrieved April 10, 2026, from https://4ort.xyz/entity/masaru-arai
MLA “Masaru Arai.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/masaru-arai.
BibTeX @misc{4ortxyz_masaru-arai_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Masaru Arai}}, year = {2026}, url = {https://4ort.xyz/entity/masaru-arai}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Masaru Arai — https://4ort.xyz/entity/masaru-arai (retrieved 2026-04-10)

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