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(118379) 1999 HC12

trans-Neptunian object
Place asteroid Q2805306
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(118379) 1999 HC12

Summary

(118379) 1999 HC12 is an asteroid[1]. (118379) 1999 HC12 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • (118379) 1999 HC12's instance of is recorded as asteroid[3].
  • (118379) 1999 HC12's instance of is recorded as trans-Neptunian object[4].
  • (118379) 1999 HC12's site of astronomical discovery is recorded as Kitt Peak National Observatory[5].
  • (118379) 1999 HC12's follows is recorded as (118378) 1999 HT11[6].
  • (118379) 1999 HC12's followed by is recorded as (118380) 1999 JQ5[7].
  • (118379) 1999 HC12's minor planet group is recorded as trans-Neptunian object[8].
  • (118379) 1999 HC12's parent astronomical body is recorded as Sun[9].
  • (118379) 1999 HC12's provisional designation is recorded as 1999 HC12[10].
  • (118379) 1999 HC12's time of discovery or invention is recorded as +1999-04-18T00:00:00Z[11].
  • (118379) 1999 HC12's Freebase ID is recorded as /m/02qb1mf[12].
  • (118379) 1999 HC12's JPL Small-Body Database SPK-ID is recorded as 20118379[13].
  • (118379) 1999 HC12's orbital eccentricity is recorded as {'amount': '+0.233'}[14].
  • (118379) 1999 HC12's orbital eccentricity is recorded as {'amount': '+0.2352379239242255'}[15].
  • (118379) 1999 HC12's absolute magnitude is recorded as {'amount': '+7.6'}[16].
  • (118379) 1999 HC12's absolute magnitude is recorded as {'amount': '+7.58'}[17].
  • (118379) 1999 HC12's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+15.3'}[18].
  • (118379) 1999 HC12's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+15.37851736531622'}[19].
  • (118379) 1999 HC12's orbital period is recorded as {'unit': 'Q573', 'amount': '+110704.4160059603'}[20].
  • (118379) 1999 HC12's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+57.06296081314689'}[21].
  • (118379) 1999 HC12's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+45.12089223354027'}[22].
  • (118379) 1999 HC12's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+55.735037248167'}[23].
  • (118379) 1999 HC12's periapsis is recorded as {'unit': 'Q1811', 'amount': '+34.50674721891355'}[24].
  • (118379) 1999 HC12's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+94.6'}[25].
  • (118379) 1999 HC12's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+94.31552807176973'}[26].
  • (118379) 1999 HC12's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+59.1'}[27].

Body

Designation and Status

Recorded instance of include asteroid[3] and trans-Neptunian object[4].

Why It Matters

(118379) 1999 HC12 ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] (118379) 1999 HC12 has Wikipedia articles in 6 language editions, a strong signal of global cultural recognition.[28]

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . 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). (118379) 1999 HC12. Retrieved May 3, 2026, from https://4ort.xyz/entity/118379-1999-hc12
MLA “(118379) 1999 HC12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/118379-1999-hc12.
BibTeX @misc{4ortxyz_118379-1999-hc12_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(118379) 1999 HC12}}, year = {2026}, url = {https://4ort.xyz/entity/118379-1999-hc12}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (118379) 1999 HC12 — https://4ort.xyz/entity/118379-1999-hc12 (retrieved 2026-05-03)

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