(66439) 1999 NG55

asteroid
Place asteroid Q15182762
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(66439) 1999 NG55

Summary

(66439) 1999 NG55 is an asteroid[1].

Key Facts

  • (66439) 1999 NG55 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66439) 1999 NG55's instance of is recorded as asteroid[3].
  • (66439) 1999 NG55's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66439) 1999 NG55 followed (66438) 1999 NN54[5].
  • (66439) 1999 NG55 was followed by (66440) 1999 NF56[6].
  • (66439) 1999 NG55's minor planet group is recorded as asteroid belt[7].
  • (66439) 1999 NG55's parent astronomical body is recorded as Sun[8].
  • (66439) 1999 NG55's provisional designation is recorded as 2000 VJ36[9].
  • (66439) 1999 NG55's provisional designation is recorded as 1999 NG55[10].
  • (66439) 1999 NG55's time of discovery or invention is recorded as July 12, 1999[11].
  • (66439) 1999 NG55's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1319392370086251'}[12].
  • (66439) 1999 NG55's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.38'}[13].
  • (66439) 1999 NG55's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.75479391133383'}[14].
  • (66439) 1999 NG55's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1569.550183772262'}[15].
  • (66439) 1999 NG55's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+256.508551370077'}[16].
  • (66439) 1999 NG55's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.643125914926468'}[17].
  • (66439) 1999 NG55's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.99185793145959'}[18].
  • (66439) 1999 NG55's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.294393898393346'}[19].
  • (66439) 1999 NG55's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+128.2465215064388'}[20].
  • (66439) 1999 NG55's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+263.05551910152'}[21].
  • (66439) 1999 NG55's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.396'}[22].
  • (66439) 1999 NG55's albedo is recorded as {'unit': '1', 'amount': '+0.276'}[23].
  • (66439) 1999 NG55's epoch is recorded as October 17, 2024[24].
  • (66439) 1999 NG55's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461023.164521694'}[25].

Body

Designation and Status

(66439) 1999 NG55'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). (66439) 1999 NG55. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66439-1999-ng55
MLA “(66439) 1999 NG55.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66439-1999-ng55.
BibTeX @misc{4ortxyz_-66439-1999-ng55_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66439) 1999 NG55}}, year = {2026}, url = {https://4ort.xyz/entity/-66439-1999-ng55}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66439) 1999 NG55 — https://4ort.xyz/entity/-66439-1999-ng55 (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. 4w ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Minor planet group asteroid belt
    Orbital eccentricity {'unit': '1', 'amount': '+0.1319392370086251'}
    Provisional designation 2000 VJ36, 1999 NG55
    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]]: 14.38"
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