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(66421) 1999 NQ19

asteroid
Place asteroid Q15182791
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(66421) 1999 NQ19

Summary

(66421) 1999 NQ19 is an asteroid[1].

Key Facts

  • (66421) 1999 NQ19 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66421) 1999 NQ19's instance of is recorded as asteroid[3].
  • (66421) 1999 NQ19's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66421) 1999 NQ19 followed (66420) 1999 NA15[5].
  • (66421) 1999 NQ19 was followed by (66422) 1999 NN23[6].
  • (66421) 1999 NQ19's minor planet group is recorded as asteroid belt[7].
  • (66421) 1999 NQ19's parent astronomical body is recorded as Sun[8].
  • (66421) 1999 NQ19's provisional designation is recorded as 2000 YS74[9].
  • (66421) 1999 NQ19's provisional designation is recorded as 1999 NQ19[10].
  • (66421) 1999 NQ19's time of discovery or invention is recorded as July 14, 1999[11].
  • (66421) 1999 NQ19's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1241727232527597'}[12].
  • (66421) 1999 NQ19's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.57'}[13].
  • (66421) 1999 NQ19's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.957366016014885'}[14].
  • (66421) 1999 NQ19's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1388.063964904238'}[15].
  • (66421) 1999 NQ19's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.7763939026325'}[16].
  • (66421) 1999 NQ19's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.435234018616115'}[17].
  • (66421) 1999 NQ19's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.73762365846544'}[18].
  • (66421) 1999 NQ19's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.13284437876679'}[19].
  • (66421) 1999 NQ19's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+193.6584988967119'}[20].
  • (66421) 1999 NQ19's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+206.5248231911744'}[21].
  • (66421) 1999 NQ19's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+5.378'}[22].
  • (66421) 1999 NQ19's albedo is recorded as {'unit': '1', 'amount': '+0.058'}[23].
  • (66421) 1999 NQ19's epoch is recorded as October 17, 2024[24].
  • (66421) 1999 NQ19's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461192.259340099'}[25].

Body

Designation and Status

(66421) 1999 NQ19'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 . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.
  24. [25] ↑ . 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). (66421) 1999 NQ19. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66421-1999-nq19
MLA “(66421) 1999 NQ19.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66421-1999-nq19.
BibTeX @misc{4ortxyz_-66421-1999-nq19_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66421) 1999 NQ19}}, year = {2026}, url = {https://4ort.xyz/entity/-66421-1999-nq19}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66421) 1999 NQ19 — https://4ort.xyz/entity/-66421-1999-nq19 (retrieved 2026-05-03)

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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. 29d ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Minor planet group → asteroid belt
    Orbital eccentricity → {'unit': '1', 'amount': '+0.1241727232527597'}
    Provisional designation → 2000 YS74, 1999 NQ19
    Semi-major axis of an orbit → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.57"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.