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(53455) 1999 XX139

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(53455) 1999 XX139

Summary

(53455) 1999 XX139 is an asteroid[1].

Key Facts

  • (53455) 1999 XX139 is credited with the discovery of Spacewatch[2].
  • (53455) 1999 XX139's instance of is recorded as asteroid[3].
  • (53455) 1999 XX139's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (53455) 1999 XX139's follows is recorded as (53454) 1999 XC136[5].
  • (53455) 1999 XX139's followed by is recorded as (53456) 1999 XR142[6].
  • (53455) 1999 XX139's minor planet group is recorded as asteroid belt[7].
  • (53455) 1999 XX139's parent astronomical body is recorded as Sun[8].
  • (53455) 1999 XX139's provisional designation is recorded as 2001 LP14[9].
  • (53455) 1999 XX139's provisional designation is recorded as 1999 XX139[10].
  • (53455) 1999 XX139's time of discovery or invention is recorded as +1999-12-02T00:00:00Z[11].
  • (53455) 1999 XX139's JPL Small-Body Database SPK-ID is recorded as 20053455[12].
  • (53455) 1999 XX139's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.09896158589412866'}[13].
  • (53455) 1999 XX139's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.62'}[14].
  • (53455) 1999 XX139's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.269223936169208'}[15].
  • (53455) 1999 XX139's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1259.862863467941'}[16].
  • (53455) 1999 XX139's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+109.7677476248493'}[17].
  • (53455) 1999 XX139's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.282880780500154'}[18].
  • (53455) 1999 XX139's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.508798282945676'}[19].
  • (53455) 1999 XX139's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.056963278054633'}[20].
  • (53455) 1999 XX139's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+156.1389340590609'}[21].
  • (53455) 1999 XX139's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+26.99866827049917'}[22].
  • (53455) 1999 XX139's Minor Planet Center body ID is recorded as 53455[23].
  • (53455) 1999 XX139's epoch is recorded as November 21, 2025[24].
  • (53455) 1999 XX139's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460906.014945786'}[25].

Body

Designation and Status

(53455) 1999 XX139'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 . 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] ↑ . 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). (53455) 1999 XX139. Retrieved May 3, 2026, from https://4ort.xyz/entity/-53455-1999-xx139
MLA “(53455) 1999 XX139.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-53455-1999-xx139.
BibTeX @misc{4ortxyz_-53455-1999-xx139_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(53455) 1999 XX139}}, year = {2026}, url = {https://4ort.xyz/entity/-53455-1999-xx139}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (53455) 1999 XX139 — https://4ort.xyz/entity/-53455-1999-xx139 (retrieved 2026-05-03)

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