1998 SD9

planetoid
Place asteroid Q15194074
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1998 SD9

Summary

1998 SD9 is an asteroid[1].

Key Facts

  • 1998 SD9's instance of is recorded as asteroid[2].
  • 1998 SD9's instance of is recorded as near-Earth object[3].
  • 1998 SD9's minor planet group is recorded as Aten asteroid[4].
  • 1998 SD9's parent astronomical body is recorded as Sun[5].
  • 1998 SD9's JPL Small-Body Database SPK-ID is recorded as 3014184[6].
  • 1998 SD9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.5043933209326689'}[7].
  • 1998 SD9's absolute magnitude is recorded as {'unit': '1', 'amount': '+24.09'}[8].
  • 1998 SD9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.987319686358094'}[9].
  • 1998 SD9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+215.0513388542982'}[10].
  • 1998 SD9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+165.7473590932458'}[11].
  • 1998 SD9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.7024722118086486'}[12].
  • 1998 SD9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.05679450358573'}[13].
  • 1998 SD9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.3481499200315672'}[14].
  • 1998 SD9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.702925568264567'}[15].
  • 1998 SD9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+258.2495921297252'}[16].
  • 1998 SD9's Google Knowledge Graph ID is recorded as /g/12z65ttyw[17].
  • 1998 SD9's Minor Planet Center body ID is recorded as 1998 SD9[18].
  • 1998 SD9's epoch is recorded as May 5, 2025[19].
  • 1998 SD9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460861.2821151153'}[20].

Body

Designation and Status

Recorded instance of include asteroid[2] and near-Earth object[3].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] . 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] . JPL Small-Body Database. wikidata.org.
  6. [7] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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 . 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] . wikidata.org.
  17. [18] . 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.

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). 1998 SD9. Retrieved May 3, 2026, from https://4ort.xyz/entity/1998-sd9
MLA “1998 SD9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/1998-sd9.
BibTeX @misc{4ortxyz_1998-sd9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1998 SD9}}, year = {2026}, url = {https://4ort.xyz/entity/1998-sd9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1998 SD9 — https://4ort.xyz/entity/1998-sd9 (retrieved 2026-05-03)

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