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(16639) 1993 QD4

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(16639) 1993 QD4

Summary

(16639) 1993 QD4 is an asteroid[1]. (16639) 1993 QD4 is known by 6 alternative names across languages and contexts.[2]

Key Facts

  • (16639) 1993 QD4 is credited with the discovery of Eric Walter Elst[3].
  • (16639) 1993 QD4's instance of is recorded as asteroid[4].
  • (16639) 1993 QD4's site of astronomical discovery is recorded as Centre de recherches en géodynamique et astrométrie[5].
  • (16639) 1993 QD4's follows is recorded as (16638) 1993 QN3[6].
  • (16639) 1993 QD4's followed by is recorded as (16640) 1993 QU9[7].
  • (16639) 1993 QD4's minor planet group is recorded as asteroid belt[8].
  • (16639) 1993 QD4's parent astronomical body is recorded as Sun[9].
  • (16639) 1993 QD4's provisional designation is recorded as 1094 T-1[10].
  • (16639) 1993 QD4's provisional designation is recorded as 1979 QZ3[11].
  • (16639) 1993 QD4's provisional designation is recorded as 1986 RJ9[12].
  • (16639) 1993 QD4's provisional designation is recorded as 1993 QD4[13].
  • (16639) 1993 QD4's time of discovery or invention is recorded as +1993-08-18T00:00:00Z[14].
  • (16639) 1993 QD4's JPL Small-Body Database SPK-ID is recorded as 20016639[15].
  • (16639) 1993 QD4's orbital eccentricity is recorded as {'amount': '+0.12'}[16].
  • (16639) 1993 QD4's orbital eccentricity is recorded as {'amount': '+0.1183020'}[17].
  • (16639) 1993 QD4's orbital eccentricity is recorded as {'amount': '+0.1174933065633439'}[18].
  • (16639) 1993 QD4's absolute magnitude is recorded as {'amount': '+14.2'}[19].
  • (16639) 1993 QD4's absolute magnitude is recorded as {'amount': '+14.36'}[20].
  • (16639) 1993 QD4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.69208'}[21].
  • (16639) 1993 QD4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.691880476225545'}[22].
  • (16639) 1993 QD4's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.48'}[23].
  • (16639) 1993 QD4's orbital period is recorded as {'unit': 'Q573', 'amount': '+1270.010218079645'}[24].
  • (16639) 1993 QD4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+348.07580'}[25].
  • (16639) 1993 QD4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+348.041796426369'}[26].
  • (16639) 1993 QD4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.2950990'}[27].

Body

Designation and Status

(16639) 1993 QD4's instance of is recorded as asteroid[4].

Why It Matters

(16639) 1993 QD4 is known by 6 alternative names across languages and contexts.[2]

Related Entities

Eric Walter Elst

References

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

Direct Wikidata claims

  1. [4] ↑ . 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. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (16639) 1993 QD4. Retrieved May 3, 2026, from https://4ort.xyz/entity/16639-1993-qd4
MLA “(16639) 1993 QD4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/16639-1993-qd4.
BibTeX @misc{4ortxyz_16639-1993-qd4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(16639) 1993 QD4}}, year = {2026}, url = {https://4ort.xyz/entity/16639-1993-qd4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (16639) 1993 QD4 — https://4ort.xyz/entity/16639-1993-qd4 (retrieved 2026-05-03)

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