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1999 XE159

asteroid
Thing asteroid Q15193565
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Summary

1999 XE159 is an asteroid[1].

Key Facts

  • 1999 XE159 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • 1999 XE159's instance of is recorded as asteroid[3].
  • 1999 XE159's site of astronomical discovery is recorded as Experimental Test Site[4].
  • 1999 XE159 followed 1999 XM158[5].
  • 1999 XE159 was followed by 1999 XV159[6].
  • 1999 XE159's minor planet group is recorded as asteroid belt[7].
  • 1999 XE159's parent astronomical body is recorded as Sun[8].
  • 1999 XE159's provisional designation is recorded as 2002 NT49[9].
  • 1999 XE159's provisional designation is recorded as 1999 XE159[10].
  • 1999 XE159's time of discovery or invention is recorded as December 8, 1999[11].
  • 1999 XE159's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1805128918601503'}[12].
  • 1999 XE159's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.75'}[13].
  • 1999 XE159's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.216568563384433'}[14].
  • 1999 XE159's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1311.317535458745'}[15].
  • 1999 XE159's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+130.4432717065731'}[16].
  • 1999 XE159's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.344622677858252'}[17].
  • 1999 XE159's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.767857297759335'}[18].
  • 1999 XE159's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.921388057957169'}[19].
  • 1999 XE159's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+262.8567490309152'}[20].
  • 1999 XE159's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.265722248018149'}[21].
  • 1999 XE159's epoch is recorded as October 17, 2024[22].
  • 1999 XE159's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460581.3193502203'}[23].

Body

Definition and Type

1999 XE159'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.

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). 1999 XE159. Retrieved October 27, 2026, from https://4ort.xyz/entity/q15193565
MLA “1999 XE159.” 4ort.xyz Knowledge Graph, 4ort.xyz, 27 Oct. 2026, https://4ort.xyz/entity/q15193565.
BibTeX @misc{4ortxyz_q15193565_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XE159}}, year = {2026}, url = {https://4ort.xyz/entity/q15193565}, note = {Accessed: 2026-10-27}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XE159 — https://4ort.xyz/entity/q15193565 (retrieved 2026-10-27)

Canonical URL: https://4ort.xyz/entity/q15193565 · Last refreshed:

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. 20w ago · LiMrBot bot · 2026-06-09 view diff on Wikidata ↗
    Jpl small-body database spk-id → 20080378
    Time of periapsis → {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Epoch → October 17, 2024
    Parent astronomical body → Sun
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Orbital eccentricity: 0.1805128918601503±0.000000040258"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.