(21809) 1999 TG19

asteroid
Place asteroid Q5191801
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(21809) 1999 TG19

Summary

(21809) 1999 TG19 is an asteroid[1].

Key Facts

  • (21809) 1999 TG19 is credited with the discovery of Dennis K. Chesney[2].
  • (21809) 1999 TG19's instance of is recorded as asteroid[3].
  • (21809) 1999 TG19's site of astronomical discovery is recorded as High Point[4].
  • (21809) 1999 TG19's follows is recorded as (21808) 1999 TR18[5].
  • (21809) 1999 TG19's followed by is recorded as (21810) 1999 TK19[6].
  • (21809) 1999 TG19's minor planet group is recorded as asteroid belt[7].
  • (21809) 1999 TG19's parent astronomical body is recorded as Sun[8].
  • (21809) 1999 TG19's provisional designation is recorded as 1995 WH1[9].
  • (21809) 1999 TG19's provisional designation is recorded as 1999 TG19[10].
  • (21809) 1999 TG19's time of discovery or invention is recorded as +1999-10-15T00:00:00Z[11].
  • (21809) 1999 TG19's JPL Small-Body Database SPK-ID is recorded as 20021809[12].
  • (21809) 1999 TG19's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.02'}[13].
  • (21809) 1999 TG19's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.0163810'}[14].
  • (21809) 1999 TG19's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.01624115243348109'}[15].
  • (21809) 1999 TG19's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.0'}[16].
  • (21809) 1999 TG19's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.15'}[17].
  • (21809) 1999 TG19's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.67336'}[18].
  • (21809) 1999 TG19's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.670296439129005'}[19].
  • (21809) 1999 TG19's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+4.42'}[20].
  • (21809) 1999 TG19's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1615.844600662965'}[21].
  • (21809) 1999 TG19's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+300.34083'}[22].
  • (21809) 1999 TG19's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+300.2739064891329'}[23].
  • (21809) 1999 TG19's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.6939034'}[24].
  • (21809) 1999 TG19's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.694846978500978'}[25].
  • (21809) 1999 TG19's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.738'}[26].

Body

Designation and Status

(21809) 1999 TG19'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 . wikidata.org.
  12. [13] . wikidata.org.
  13. [14] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] . minorplanetcenter.net. minorplanetcenter.net. 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). (21809) 1999 TG19. Retrieved May 3, 2026, from https://4ort.xyz/entity/-21809-1999-tg19
MLA “(21809) 1999 TG19.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-21809-1999-tg19.
BibTeX @misc{4ortxyz_-21809-1999-tg19_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21809) 1999 TG19}}, year = {2026}, url = {https://4ort.xyz/entity/-21809-1999-tg19}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21809) 1999 TG19 — https://4ort.xyz/entity/-21809-1999-tg19 (retrieved 2026-05-03)

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