Palomar Observatory

observatory in Southern California
Organization astronomical_observatory Q191684
Palomar Observatory
Gerard T. van Belle · Public Domain · Wikimedia
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Summary

Palomar Observatory is an astronomical observatory[1]. It ranks in the top 3% of astronomical observatory entities by monthly Wikipedia readership (1,195 views/month).[2]

Key Facts

  • Located in the administrative territorial entity: San Diego County[3]
  • Country: United States[4]
  • Owned by: California Institute of Technology[5]
  • Operator: California Institute of Technology[6]
  • Location: Palomar Mountain[7]
  • Commons category: Palomar Observatory[8]
  • Has part(s): Hale Telescope[9], Palomar Testbed Interferometer[10], Samuel Oschin telescope[11], 18-inch Schmidt camera[12], Palomar Mountain-DSS[13], Near-Earth Asteroid Tracking (NEAT) at Palomar observatory[14], Palomar 60-inch telescope[15]
  • Inception: 1928[16]
  • Located in/on physical feature: Palomar Mountain Range[17]
  • Official website: https://sites.astro.caltech.edu/palomar/[18]
  • Topic's main category: Category:Palomar Observatory[19]
  • Date of official opening: 1928[20]
  • Native label: Palomar Observatory[21]
  • Elevation above sea level: 1712 m[22]
  • Located in protected area: Cleveland National Forest[23]
  • On focus list of Wikimedia project: Wikipedia:Vital articles/Level/4[24]

Why It Matters

Palomar Observatory has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.[25] It is known by 72 alternative names across languages and contexts.[26]

It is credited with the discovery of 229762 Gǃkúnǁʼhòmdímà[27], a trans-Neptunian object[28]; (612533) 2002 XV93[29], a trans-Neptunian object[30]; Pegasus Dwarf Irregular Galaxy[31], an irregular galaxy[32]; (84522) 2002 TC302[33], a trans-Neptunian object[34]; (278361) 2007 JJ43[35], an asteroid[36]; and (455502) 2003 UZ413[37], a possible dwarf planet[38].

FAQs

What did Palomar Observatory discover?

Palomar Observatory is credited as discoverer of 229762 Gǃkúnǁʼhòmdímà[27], (612533) 2002 XV93[29], Pegasus Dwarf Irregular Galaxy[31], and (84522) 2002 TC302[33].

References

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

Direct Wikidata claims

  1. [4] ↑ . wikidata.org.
  2. [5] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.

Inverse relationships (entities pointing at this one)

  1. [27] ↑ . wikidata.org. → on this site
  2. [29] ↑ . wikidata.org. → on this site
  3. [31] ↑ . wikidata.org. → on this site
  4. [33] ↑ . wikidata.org. → on this site
  5. [35] ↑ . wikidata.org. → on this site
  6. [37] ↑ . wikidata.org. → on this site

Inline context (facts about related entities)

  1. [28] ↑ . Wikidata. wikidata.org. → on this site
  2. [30] ↑ . Wikidata. wikidata.org. → on this site
  3. [32] ↑ . Wikidata. wikidata.org. → on this site
  4. [34] ↑ . Wikidata. wikidata.org. → on this site
  5. [36] ↑ . Wikidata. wikidata.org. → on this site
  6. [38] ↑ . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [25] ↑ . Wikidata sitelinks. wikidata.org.
  3. [26] ↑ . 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). Palomar Observatory. Retrieved October 17, 2026, from https://4ort.xyz/entity/palomar-observatory
MLA “Palomar Observatory.” 4ort.xyz Knowledge Graph, 4ort.xyz, 17 Oct. 2026, https://4ort.xyz/entity/palomar-observatory.
BibTeX @misc{4ortxyz_palomar-observatory_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Palomar Observatory}}, year = {2026}, url = {https://4ort.xyz/entity/palomar-observatory}, note = {Accessed: 2026-10-17}}
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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. 12w ago · Edward · 2026-07-25 view diff on Wikidata ↗
    Openstreetmap way id → 139832212
    "/* wbcreateclaim-create:1| */ Openstreetmap way id: 139832212, [[:toollabs:quickstatements/#/batch/261557|batch #261557]]"
  2. 14w ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    Topic's main category → Category:Palomar Observatory
    Has parts → —
    Owned by → —
    Local thumb → —
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
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