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(405427) 2004 ST9

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(405427) 2004 ST9

Summary

(405427) 2004 ST9 is an asteroid[1].

Key Facts

  • (405427) 2004 ST9 is credited with the discovery of Spacewatch[2].
  • (405427) 2004 ST9's instance of is recorded as asteroid[3].
  • (405427) 2004 ST9's instance of is recorded as near-Earth object[4].
  • (405427) 2004 ST9's site of astronomical discovery is recorded as Kitt Peak National Observatory[5].
  • (405427) 2004 ST9's minor planet group is recorded as Amor asteroid[6].
  • (405427) 2004 ST9's parent astronomical body is recorded as Sun[7].
  • (405427) 2004 ST9's provisional designation is recorded as 2004 ST9[8].
  • (405427) 2004 ST9's time of discovery or invention is recorded as +2004-09-17T00:00:00Z[9].
  • (405427) 2004 ST9's JPL Small-Body Database SPK-ID is recorded as 20405427[10].
  • (405427) 2004 ST9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.437822059420663'}[11].
  • (405427) 2004 ST9's absolute magnitude is recorded as {'unit': '1', 'amount': '+18.09'}[12].
  • (405427) 2004 ST9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.2316469413998'}[13].
  • (405427) 2004 ST9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1229.429479011034'}[14].
  • (405427) 2004 ST9's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+5.203'}[15].
  • (405427) 2004 ST9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+195.0174482554431'}[16].
  • (405427) 2004 ST9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.245967479713181'}[17].
  • (405427) 2004 ST9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.229301587073042'}[18].
  • (405427) 2004 ST9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.26263337235332'}[19].
  • (405427) 2004 ST9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+60.03151072002233'}[20].
  • (405427) 2004 ST9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+117.2752223358823'}[21].
  • (405427) 2004 ST9's Google Knowledge Graph ID is recorded as /g/12z658q4n[22].
  • (405427) 2004 ST9's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet405427Provisional2004ST9"][23].
  • (405427) 2004 ST9's Minor Planet Center body ID is recorded as 405427[24].
  • (405427) 2004 ST9's epoch is recorded as May 5, 2025[25].
  • (405427) 2004 ST9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460399.9955125074'}[26].

Body

Designation and Status

Recorded instance of include asteroid[3] and near-Earth object[4].

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . 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). (405427) 2004 ST9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-405427-2004-st9
MLA “(405427) 2004 ST9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-405427-2004-st9.
BibTeX @misc{4ortxyz_-405427-2004-st9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(405427) 2004 ST9}}, year = {2026}, url = {https://4ort.xyz/entity/-405427-2004-st9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (405427) 2004 ST9 — https://4ort.xyz/entity/-405427-2004-st9 (retrieved 2026-05-03)

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