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(66186) 1998 XS49

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(66186) 1998 XS49

Summary

(66186) 1998 XS49 is an asteroid[1].

Key Facts

  • (66186) 1998 XS49 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66186) 1998 XS49's instance of is recorded as asteroid[3].
  • (66186) 1998 XS49's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66186) 1998 XS49 followed (66185) 1998 XM47[5].
  • (66186) 1998 XS49 was followed by (66187) 1998 XS73[6].
  • (66186) 1998 XS49's minor planet group is recorded as asteroid belt[7].
  • (66186) 1998 XS49's parent astronomical body is recorded as Sun[8].
  • (66186) 1998 XS49's provisional designation is recorded as 1998 XS49[9].
  • (66186) 1998 XS49's provisional designation is recorded as 1989 RS4[10].
  • (66186) 1998 XS49's provisional designation is recorded as 1989 QY[11].
  • (66186) 1998 XS49's time of discovery or invention is recorded as December 14, 1998[12].
  • (66186) 1998 XS49's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1821854746421694'}[13].
  • (66186) 1998 XS49's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.36'}[14].
  • (66186) 1998 XS49's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.59430592399387'}[15].
  • (66186) 1998 XS49's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1505.839846374148'}[16].
  • (66186) 1998 XS49's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+335.8435654234383'}[17].
  • (66186) 1998 XS49's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.57110752065774'}[18].
  • (66186) 1998 XS49's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.039525964664821'}[19].
  • (66186) 1998 XS49's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.102689076650658'}[20].
  • (66186) 1998 XS49's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.49340975252577'}[21].
  • (66186) 1998 XS49's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+177.0832740671951'}[22].
  • (66186) 1998 XS49's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+3.984'}[23].
  • (66186) 1998 XS49's albedo is recorded as {'unit': '1', 'amount': '+0.255'}[24].
  • (66186) 1998 XS49's epoch is recorded as October 17, 2024[25].
  • (66186) 1998 XS49's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2459859.7804160644'}[26].

Body

Designation and Status

(66186) 1998 XS49'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.
  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). (66186) 1998 XS49. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66186-1998-xs49
MLA “(66186) 1998 XS49.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66186-1998-xs49.
BibTeX @misc{4ortxyz_-66186-1998-xs49_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66186) 1998 XS49}}, year = {2026}, url = {https://4ort.xyz/entity/-66186-1998-xs49}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66186) 1998 XS49 — https://4ort.xyz/entity/-66186-1998-xs49 (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. 6w ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Diameter → {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount':
    Argument of periapsis → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Instance of → asteroid
    Parent astronomical body → Sun
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.36"
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