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(91605) 1999 TC20

minor planet
Place asteroid Q4544493
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Summary

(91605) 1999 TC20 is an asteroid[1].

Key Facts

  • (91605) 1999 TC20 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[2].
  • (91605) 1999 TC20's instance of is recorded as asteroid[3].
  • (91605) 1999 TC20's site of astronomical discovery is recorded as Xinglong Station[4].
  • (91605) 1999 TC20's follows is recorded as 91604 Clausmadsen[5].
  • (91605) 1999 TC20's followed by is recorded as (91606) 1999 TE20[6].
  • (91605) 1999 TC20's minor planet group is recorded as asteroid belt[7].
  • (91605) 1999 TC20's parent astronomical body is recorded as Sun[8].
  • (91605) 1999 TC20's provisional designation is recorded as 1999 TC20[9].
  • (91605) 1999 TC20's provisional designation is recorded as 2000 YS43[10].
  • (91605) 1999 TC20's time of discovery or invention is recorded as +1999-10-15T00:00:00Z[11].
  • (91605) 1999 TC20's Freebase ID is recorded as /m/0hhqyw5[12].
  • (91605) 1999 TC20's JPL Small-Body Database SPK-ID is recorded as 20091605[13].
  • (91605) 1999 TC20's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.07240626901737039'}[14].
  • (91605) 1999 TC20's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.04'}[15].
  • (91605) 1999 TC20's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.621421143821544'}[16].
  • (91605) 1999 TC20's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1932.255979339801'}[17].
  • (91605) 1999 TC20's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+133.0407367863714'}[18].
  • (91605) 1999 TC20's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.036063299509025'}[19].
  • (91605) 1999 TC20's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.25589331552704'}[20].
  • (91605) 1999 TC20's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.816233283491009'}[21].
  • (91605) 1999 TC20's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+195.7567073695384'}[22].
  • (91605) 1999 TC20's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+27.28326753526775'}[23].
  • (91605) 1999 TC20's Minor Planet Center body ID is recorded as 91605[24].
  • (91605) 1999 TC20's epoch is recorded as November 21, 2025[25].
  • (91605) 1999 TC20's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460854.060397692'}[26].

Body

Designation and Status

(91605) 1999 TC20'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] ↑ . wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . 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). (91605) 1999 TC20. Retrieved October 11, 2026, from https://4ort.xyz/entity/-91605-1999-tc20
MLA “(91605) 1999 TC20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Oct. 2026, https://4ort.xyz/entity/-91605-1999-tc20.
BibTeX @misc{4ortxyz_-91605-1999-tc20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(91605) 1999 TC20}}, year = {2026}, url = {https://4ort.xyz/entity/-91605-1999-tc20}, note = {Accessed: 2026-10-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (91605) 1999 TC20 — https://4ort.xyz/entity/-91605-1999-tc20 (retrieved 2026-10-11)

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