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(70684) 1999 UD9

asteroid
Place asteroid Q15183516
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(70684) 1999 UD9

Summary

(70684) 1999 UD9 is an asteroid[1].

Key Facts

  • (70684) 1999 UD9 is credited with the discovery of Catalina Sky Survey[2].
  • (70684) 1999 UD9's instance of is recorded as asteroid[3].
  • (70684) 1999 UD9's site of astronomical discovery is recorded as Catalina Station[4].
  • (70684) 1999 UD9 followed (70683) 1999 UT8[5].
  • (70684) 1999 UD9 was followed by (70685) 1999 UR12[6].
  • (70684) 1999 UD9's minor planet group is recorded as asteroid belt[7].
  • (70684) 1999 UD9's parent astronomical body is recorded as Sun[8].
  • (70684) 1999 UD9's provisional designation is recorded as 1999 UD9[9].
  • (70684) 1999 UD9's time of discovery or invention is recorded as October 29, 1999[10].
  • (70684) 1999 UD9's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.06586429723582092'}[11].
  • (70684) 1999 UD9's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.72'}[12].
  • (70684) 1999 UD9's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.818435235157208'}[13].
  • (70684) 1999 UD9's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1637.133947579853'}[14].
  • (70684) 1999 UD9's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+45.70597898581744'}[15].
  • (70684) 1999 UD9's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.718465702910436'}[16].
  • (70684) 1999 UD9's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.897515535992314'}[17].
  • (70684) 1999 UD9's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.539415869828558'}[18].
  • (70684) 1999 UD9's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+264.0835245780714'}[19].
  • (70684) 1999 UD9's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+293.7855365933133'}[20].
  • (70684) 1999 UD9's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+6.061'}[21].
  • (70684) 1999 UD9's albedo is recorded as {'unit': '1', 'amount': '+0.069'}[22].
  • (70684) 1999 UD9's epoch is recorded as October 17, 2024[23].
  • (70684) 1999 UD9's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460901.6165162884'}[24].

Body

Designation and Status

(70684) 1999 UD9'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). (70684) 1999 UD9. Retrieved May 3, 2026, from https://4ort.xyz/entity/-70684-1999-ud9
MLA “(70684) 1999 UD9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-70684-1999-ud9.
BibTeX @misc{4ortxyz_-70684-1999-ud9_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70684) 1999 UD9}}, year = {2026}, url = {https://4ort.xyz/entity/-70684-1999-ud9}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70684) 1999 UD9 — https://4ort.xyz/entity/-70684-1999-ud9 (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. 8w 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]]: 14.72"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.