(70421) 1999 SY14

asteroid
Place asteroid Q15183792
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(70421) 1999 SY14

Summary

(70421) 1999 SY14 is an asteroid[1].

Key Facts

  • (70421) 1999 SY14 is credited with the discovery of Catalina Sky Survey[2].
  • (70421) 1999 SY14's instance of is recorded as asteroid[3].
  • (70421) 1999 SY14's site of astronomical discovery is recorded as Catalina Station[4].
  • (70421) 1999 SY14 followed (70420) 1999 SM13[5].
  • (70421) 1999 SY14 was followed by (70422) 1999 SS16[6].
  • (70421) 1999 SY14's minor planet group is recorded as asteroid belt[7].
  • (70421) 1999 SY14's parent astronomical body is recorded as Sun[8].
  • (70421) 1999 SY14's provisional designation is recorded as 1999 SY14[9].
  • (70421) 1999 SY14's provisional designation is recorded as 1998 KG25[10].
  • (70421) 1999 SY14's time of discovery or invention is recorded as September 29, 1999[11].
  • (70421) 1999 SY14's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.05098420422915465'}[12].
  • (70421) 1999 SY14's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.37'}[13].
  • (70421) 1999 SY14's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.356993431431493'}[14].
  • (70421) 1999 SY14's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1382.223208734963'}[15].
  • (70421) 1999 SY14's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+257.6973638885461'}[16].
  • (70421) 1999 SY14's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.428397829363287'}[17].
  • (70421) 1999 SY14's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.55220776024518'}[18].
  • (70421) 1999 SY14's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.304587898481393'}[19].
  • (70421) 1999 SY14's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+328.7158125635921'}[20].
  • (70421) 1999 SY14's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.1089194631066399'}[21].
  • (70421) 1999 SY14's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+2.289'}[22].
  • (70421) 1999 SY14's albedo is recorded as {'unit': '1', 'amount': '+0.233'}[23].
  • (70421) 1999 SY14's epoch is recorded as October 17, 2024[24].
  • (70421) 1999 SY14's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460600.0818027505'}[25].

Body

Designation and Status

(70421) 1999 SY14'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.

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). (70421) 1999 SY14. Retrieved May 3, 2026, from https://4ort.xyz/entity/-70421-1999-sy14
MLA “(70421) 1999 SY14.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-70421-1999-sy14.
BibTeX @misc{4ortxyz_-70421-1999-sy14_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70421) 1999 SY14}}, year = {2026}, url = {https://4ort.xyz/entity/-70421-1999-sy14}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70421) 1999 SY14 — https://4ort.xyz/entity/-70421-1999-sy14 (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. 24d ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Time of periapsis {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Epoch October 17, 2024
    Orbital inclination {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Periapsis {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.37"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.