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(74800) 1999 SK18

asteroid
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(74800) 1999 SK18

Summary

(74800) 1999 SK18 is an asteroid[1].

Key Facts

  • (74800) 1999 SK18 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (74800) 1999 SK18's instance of is recorded as asteroid[3].
  • (74800) 1999 SK18's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (74800) 1999 SK18 followed (74799) 1999 SC18[5].
  • (74800) 1999 SK18 was followed by (74801) 1999 SN18[6].
  • (74800) 1999 SK18's minor planet group is recorded as asteroid belt[7].
  • (74800) 1999 SK18's parent astronomical body is recorded as Sun[8].
  • (74800) 1999 SK18's provisional designation is recorded as 2002 JS39[9].
  • (74800) 1999 SK18's provisional designation is recorded as 1999 SK18[10].
  • (74800) 1999 SK18's time of discovery or invention is recorded as September 30, 1999[11].
  • (74800) 1999 SK18's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2042854949504783'}[12].
  • (74800) 1999 SK18's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.23'}[13].
  • (74800) 1999 SK18's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.381758949785369'}[14].
  • (74800) 1999 SK18's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1260.847977258843'}[15].
  • (74800) 1999 SK18's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+96.81122685379083'}[16].
  • (74800) 1999 SK18's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.284070647762706'}[17].
  • (74800) 1999 SK18's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.750673150542771'}[18].
  • (74800) 1999 SK18's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.817468144982642'}[19].
  • (74800) 1999 SK18's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+206.096221503606'}[20].
  • (74800) 1999 SK18's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+132.206204789598'}[21].
  • (74800) 1999 SK18's epoch is recorded as October 17, 2024[22].
  • (74800) 1999 SK18's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460137.4668725277'}[23].

Body

Designation and Status

(74800) 1999 SK18'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). (74800) 1999 SK18. Retrieved May 3, 2026, from https://4ort.xyz/entity/-74800-1999-sk18
MLA “(74800) 1999 SK18.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-74800-1999-sk18.
BibTeX @misc{4ortxyz_-74800-1999-sk18_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74800) 1999 SK18}}, year = {2026}, url = {https://4ort.xyz/entity/-74800-1999-sk18}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74800) 1999 SK18 — https://4ort.xyz/entity/-74800-1999-sk18 (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. 13d ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Discoverer or inventor → Lincoln Near-Earth Asteroid Research
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Time of discovery or invention → +1999-09-30T00:00:00Z
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 16.23"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.