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(66981) 1999 XE89

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(66981) 1999 XE89

Summary

(66981) 1999 XE89 is an asteroid[1].

Key Facts

  • (66981) 1999 XE89 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66981) 1999 XE89's instance of is recorded as asteroid[3].
  • (66981) 1999 XE89's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66981) 1999 XE89's follows is recorded as (66980) 1999 XK88[5].
  • (66981) 1999 XE89's followed by is recorded as (66982) 1999 XA91[6].
  • (66981) 1999 XE89's minor planet group is recorded as asteroid belt[7].
  • (66981) 1999 XE89's parent astronomical body is recorded as Sun[8].
  • (66981) 1999 XE89's provisional designation is recorded as 1999 XE89[9].
  • (66981) 1999 XE89's time of discovery or invention is recorded as +1999-12-07T00:00:00Z[10].
  • (66981) 1999 XE89's JPL Small-Body Database SPK-ID is recorded as 20066981[11].
  • (66981) 1999 XE89's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.09477052558978948'}[12].
  • (66981) 1999 XE89's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.03'}[13].
  • (66981) 1999 XE89's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.5363330753224'}[14].
  • (66981) 1999 XE89's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1980.670064598127'}[15].
  • (66981) 1999 XE89's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+96.2660566843329'}[16].
  • (66981) 1999 XE89's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.086567701230048'}[17].
  • (66981) 1999 XE89's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.379083344544088'}[18].
  • (66981) 1999 XE89's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.794052057916008'}[19].
  • (66981) 1999 XE89's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+264.485822017536'}[20].
  • (66981) 1999 XE89's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+297.3120238336961'}[21].
  • (66981) 1999 XE89's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+6.333'}[22].
  • (66981) 1999 XE89's albedo is recorded as {'unit': '1', 'amount': '+0.16'}[23].
  • (66981) 1999 XE89's Minor Planet Center body ID is recorded as 66981[24].
  • (66981) 1999 XE89's epoch is recorded as October 17, 2024[25].
  • (66981) 1999 XE89's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460945.4005494523'}[26].

Body

Designation and Status

(66981) 1999 XE89'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] ↑ . 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] ↑ . wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . 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). (66981) 1999 XE89. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66981-1999-xe89
MLA “(66981) 1999 XE89.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66981-1999-xe89.
BibTeX @misc{4ortxyz_-66981-1999-xe89_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66981) 1999 XE89}}, year = {2026}, url = {https://4ort.xyz/entity/-66981-1999-xe89}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66981) 1999 XE89 — https://4ort.xyz/entity/-66981-1999-xe89 (retrieved 2026-05-03)

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