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(73681) 1989 TL18

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(73681) 1989 TL18

Summary

(73681) 1989 TL18 is an asteroid[1].

Key Facts

  • (73681) 1989 TL18 is credited with the discovery of Eleanor F. Helin[2].
  • (73681) 1989 TL18 is credited with the discovery of Kenneth J. Lawrence[3].
  • (73681) 1989 TL18's instance of is recorded as asteroid[4].
  • (73681) 1989 TL18's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (73681) 1989 TL18's follows is recorded as (73680) 1989 SP10[6].
  • (73681) 1989 TL18's followed by is recorded as (73682) 1990 HU5[7].
  • (73681) 1989 TL18's minor planet group is recorded as Mars-crossing asteroid[8].
  • (73681) 1989 TL18's parent astronomical body is recorded as Sun[9].
  • (73681) 1989 TL18's provisional designation is recorded as 1989 TL18[10].
  • (73681) 1989 TL18's provisional designation is recorded as 1996 UL[11].
  • (73681) 1989 TL18's time of discovery or invention is recorded as +1989-10-02T00:00:00Z[12].
  • (73681) 1989 TL18's JPL Small-Body Database SPK-ID is recorded as 20073681[13].
  • (73681) 1989 TL18's orbital eccentricity is recorded as {'amount': '+0.2977294513916894'}[14].
  • (73681) 1989 TL18's absolute magnitude is recorded as {'amount': '+16.12'}[15].
  • (73681) 1989 TL18's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+11.1903604164155'}[16].
  • (73681) 1989 TL18's orbital period is recorded as {'unit': 'Q573', 'amount': '+1270.676277652272'}[17].
  • (73681) 1989 TL18's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+19.99832307675376'}[18].
  • (73681) 1989 TL18's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.295924822664528'}[19].
  • (73681) 1989 TL18's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.979489260553'}[20].
  • (73681) 1989 TL18's periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.612360384776056'}[21].
  • (73681) 1989 TL18's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+315.064328756335'}[22].
  • (73681) 1989 TL18's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+100.0468966908492'}[23].
  • (73681) 1989 TL18's Google Knowledge Graph ID is recorded as /g/121lgy9r[24].
  • (73681) 1989 TL18's Minor Planet Center body ID is recorded as 73681[25].
  • (73681) 1989 TL18's epoch is recorded as May 5, 2025[26].

Body

Designation and Status

(73681) 1989 TL18's instance of is recorded as asteroid[4].

Related Entities

Eleanor F. Helin

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. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . 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 . 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] ↑ . 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). (73681) 1989 TL18. Retrieved May 3, 2026, from https://4ort.xyz/entity/73681-1989-tl18
MLA “(73681) 1989 TL18.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/73681-1989-tl18.
BibTeX @misc{4ortxyz_73681-1989-tl18_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(73681) 1989 TL18}}, year = {2026}, url = {https://4ort.xyz/entity/73681-1989-tl18}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (73681) 1989 TL18 — https://4ort.xyz/entity/73681-1989-tl18 (retrieved 2026-05-03)

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