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(26375) 1999 DE9

trans-Neptunian object
Place asteroid Q149785
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(26375) 1999 DE9

Summary

(26375) 1999 DE9 is an asteroid[1]. (26375) 1999 DE9 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (7 views/month).[2]

Key Facts

  • (26375) 1999 DE9 is credited with the discovery of Chadwick Trujillo[3].
  • (26375) 1999 DE9 is credited with the discovery of Jane Luu[4].
  • (26375) 1999 DE9's instance of is recorded as asteroid[5].
  • (26375) 1999 DE9's instance of is recorded as possible dwarf planet[6].
  • (26375) 1999 DE9's instance of is recorded as trans-Neptunian object[7].
  • (26375) 1999 DE9's site of astronomical discovery is recorded as Kitt Peak National Observatory[8].
  • (26375) 1999 DE9's follows is recorded as (26374) 1999 CP106[9].
  • (26375) 1999 DE9's followed by is recorded as 26376 Roborosa[10].
  • (26375) 1999 DE9's minor planet group is recorded as trans-Neptunian object[11].
  • (26375) 1999 DE9's minor planet group is recorded as 2:5-resonant trans-Neptunian object[12].
  • (26375) 1999 DE9's parent astronomical body is recorded as Sun[13].
  • (26375) 1999 DE9's provisional designation is recorded as 1999 DE9[14].
  • (26375) 1999 DE9's time of discovery or invention is recorded as +1999-02-20T00:00:00Z[15].
  • (26375) 1999 DE9's Freebase ID is recorded as /m/076rl0[16].
  • (26375) 1999 DE9's JPL Small-Body Database SPK-ID is recorded as 20026375[17].
  • (26375) 1999 DE9's orbital eccentricity is recorded as {'amount': '+0.422'}[18].
  • (26375) 1999 DE9's orbital eccentricity is recorded as {'amount': '+0.4168488'}[19].
  • (26375) 1999 DE9's orbital eccentricity is recorded as {'amount': '+0.4200579169153041'}[20].
  • (26375) 1999 DE9's absolute magnitude is recorded as {'amount': '+5.0'}[21].
  • (26375) 1999 DE9's absolute magnitude is recorded as {'amount': '+4.9'}[22].
  • (26375) 1999 DE9's absolute magnitude is recorded as {'amount': '+4.89'}[23].
  • (26375) 1999 DE9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+7.62937'}[24].
  • (26375) 1999 DE9's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+7.612228733106571'}[25].
  • (26375) 1999 DE9's orbital period is recorded as {'unit': 'Q577', 'amount': '+414'}[26].
  • (26375) 1999 DE9's orbital period is recorded as {'unit': 'Q573', 'amount': '+151003.2191697183'}[27].

Body

Designation and Status

Recorded instance of include asteroid[5], possible dwarf planet[6], and trans-Neptunian object[7].

Why It Matters

(26375) 1999 DE9 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (7 views/month).[2] (26375) 1999 DE9 has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[28]

Related Entities

Chadwick Trujillo Jane Luu

References

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

Direct Wikidata claims

  1. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [6] ↑ . web.gps.caltech.edu. web.gps.caltech.edu. Provenance: wikidata.org.
  3. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [3] ↑ . wikidata.org.
  5. [4] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . Freebase Data Dumps. wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. 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). (26375) 1999 DE9. Retrieved May 3, 2026, from https://4ort.xyz/entity/26375-1999-de9
MLA “(26375) 1999 DE9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/26375-1999-de9.
BibTeX @misc{4ortxyz_26375-1999-de9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(26375) 1999 DE9}}, year = {2026}, url = {https://4ort.xyz/entity/26375-1999-de9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (26375) 1999 DE9 — https://4ort.xyz/entity/26375-1999-de9 (retrieved 2026-05-03)

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