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(51581) 2001 HL9

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(51581) 2001 HL9

Summary

(51581) 2001 HL9 is an asteroid[1].

Key Facts

  • (51581) 2001 HL9 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (51581) 2001 HL9's instance of is recorded as asteroid[3].
  • (51581) 2001 HL9's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (51581) 2001 HL9's follows is recorded as (51580) 2001 HA9[5].
  • (51581) 2001 HL9's followed by is recorded as (51582) 2001 HU9[6].
  • (51581) 2001 HL9's minor planet group is recorded as asteroid belt[7].
  • (51581) 2001 HL9's parent astronomical body is recorded as Sun[8].
  • (51581) 2001 HL9's provisional designation is recorded as 2001 HL9[9].
  • (51581) 2001 HL9's time of discovery or invention is recorded as +2001-04-16T00:00:00Z[10].
  • (51581) 2001 HL9's JPL Small-Body Database SPK-ID is recorded as 20051581[11].
  • (51581) 2001 HL9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2255755514916867'}[12].
  • (51581) 2001 HL9's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.34'}[13].
  • (51581) 2001 HL9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.927095785081706'}[14].
  • (51581) 2001 HL9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1340.425690881499'}[15].
  • (51581) 2001 HL9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+61.40189139916962'}[16].
  • (51581) 2001 HL9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.37919229160909'}[17].
  • (51581) 2001 HL9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.91587990489358'}[18].
  • (51581) 2001 HL9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.842504678324599'}[19].
  • (51581) 2001 HL9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+199.154557501237'}[20].
  • (51581) 2001 HL9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+176.3408942813893'}[21].
  • (51581) 2001 HL9's Minor Planet Center body ID is recorded as 51581[22].
  • (51581) 2001 HL9's epoch is recorded as May 5, 2025[23].
  • (51581) 2001 HL9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460143.9114859784'}[24].

Body

Designation and Status

(51581) 2001 HL9's instance of is recorded as asteroid[3].

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. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (51581) 2001 HL9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-51581-2001-hl9
MLA “(51581) 2001 HL9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-51581-2001-hl9.
BibTeX @misc{4ortxyz_-51581-2001-hl9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(51581) 2001 HL9}}, year = {2026}, url = {https://4ort.xyz/entity/-51581-2001-hl9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (51581) 2001 HL9 — https://4ort.xyz/entity/-51581-2001-hl9 (retrieved 2026-05-03)

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