(74921) 1999 TA145

asteroid
Place asteroid Q15187394
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(74921) 1999 TA145

Summary

(74921) 1999 TA145 is an asteroid[1].

Key Facts

  • (74921) 1999 TA145 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (74921) 1999 TA145's instance of is recorded as asteroid[3].
  • (74921) 1999 TA145's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (74921) 1999 TA145 followed (74920) 1999 TU144[5].
  • (74921) 1999 TA145 was followed by (74922) 1999 TV146[6].
  • (74921) 1999 TA145's minor planet group is recorded as asteroid belt[7].
  • (74921) 1999 TA145's parent astronomical body is recorded as Sun[8].
  • (74921) 1999 TA145's provisional designation is recorded as 2002 JW112[9].
  • (74921) 1999 TA145's provisional designation is recorded as 1999 TA145[10].
  • (74921) 1999 TA145's provisional designation is recorded as 1981 ND1[11].
  • (74921) 1999 TA145's time of discovery or invention is recorded as October 7, 1999[12].
  • (74921) 1999 TA145's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2207597840007832'}[13].
  • (74921) 1999 TA145's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.26'}[14].
  • (74921) 1999 TA145's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.309356584388244'}[15].
  • (74921) 1999 TA145's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1288.843437012408'}[16].
  • (74921) 1999 TA145's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+273.3255399139942'}[17].
  • (74921) 1999 TA145's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.317756592384099'}[18].
  • (74921) 1999 TA145's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.829424037085204'}[19].
  • (74921) 1999 TA145's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.806089147682994'}[20].
  • (74921) 1999 TA145's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+352.9817066548742'}[21].
  • (74921) 1999 TA145's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+114.2881785567281'}[22].
  • (74921) 1999 TA145's epoch is recorded as October 17, 2024[23].
  • (74921) 1999 TA145's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460191.3345309417'}[24].

Body

Designation and Status

(74921) 1999 TA145'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). (74921) 1999 TA145. Retrieved May 3, 2026, from https://4ort.xyz/entity/-74921-1999-ta145
MLA “(74921) 1999 TA145.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-74921-1999-ta145.
BibTeX @misc{4ortxyz_-74921-1999-ta145_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74921) 1999 TA145}}, year = {2026}, url = {https://4ort.xyz/entity/-74921-1999-ta145}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74921) 1999 TA145 — https://4ort.xyz/entity/-74921-1999-ta145 (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. 26d ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Orbital period {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+
    Apoapsis {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Time of periapsis {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount':
    Orbital eccentricity {'unit': '1', 'amount': '+0.2207597840007832'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 16.26"
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