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(66121) 1998 SF81

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(66121) 1998 SF81

Summary

(66121) 1998 SF81 is an asteroid[1].

Key Facts

  • (66121) 1998 SF81 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66121) 1998 SF81's instance of is recorded as asteroid[3].
  • (66121) 1998 SF81's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66121) 1998 SF81 followed (66120) 1998 SF74[5].
  • (66121) 1998 SF81 was followed by (66122) 1998 SC87[6].
  • (66121) 1998 SF81's minor planet group is recorded as asteroid belt[7].
  • (66121) 1998 SF81's parent astronomical body is recorded as Sun[8].
  • (66121) 1998 SF81's provisional designation is recorded as 1998 SF81[9].
  • (66121) 1998 SF81's time of discovery or invention is recorded as September 26, 1998[10].
  • (66121) 1998 SF81's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.05779968845488409'}[11].
  • (66121) 1998 SF81's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.64'}[12].
  • (66121) 1998 SF81's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.735168474050075'}[13].
  • (66121) 1998 SF81's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1875.398380064839'}[14].
  • (66121) 1998 SF81's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+354.9912387893232'}[15].
  • (66121) 1998 SF81's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.976208868375268'}[16].
  • (66121) 1998 SF81's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.148232813744022'}[17].
  • (66121) 1998 SF81's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.804184923006515'}[18].
  • (66121) 1998 SF81's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+307.8672417623747'}[19].
  • (66121) 1998 SF81's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+79.9724076288586'}[20].
  • (66121) 1998 SF81's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+3.879'}[21].
  • (66121) 1998 SF81's albedo is recorded as {'unit': '1', 'amount': '+0.245'}[22].
  • (66121) 1998 SF81's epoch is recorded as October 17, 2024[23].
  • (66121) 1998 SF81's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460183.8885452305'}[24].

Body

Designation and Status

(66121) 1998 SF81'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.

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). (66121) 1998 SF81. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66121-1998-sf81
MLA “(66121) 1998 SF81.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66121-1998-sf81.
BibTeX @misc{4ortxyz_-66121-1998-sf81_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66121) 1998 SF81}}, year = {2026}, url = {https://4ort.xyz/entity/-66121-1998-sf81}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66121) 1998 SF81 — https://4ort.xyz/entity/-66121-1998-sf81 (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. 7w ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Diameter → {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount':
    Orbital eccentricity → {'unit': '1', 'amount': '+0.05779968845488409'}
    Epoch → October 17, 2024
    Discoverer or inventor → Lincoln Near-Earth Asteroid Research
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 14.64"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.