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(59437) 1999 GY21

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(59437) 1999 GY21

Summary

(59437) 1999 GY21 is an asteroid[1].

Key Facts

  • (59437) 1999 GY21 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (59437) 1999 GY21's instance of is recorded as asteroid[3].
  • (59437) 1999 GY21's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (59437) 1999 GY21's follows is recorded as (59436) 1999 GE21[5].
  • (59437) 1999 GY21's followed by is recorded as (59438) 1999 GA22[6].
  • (59437) 1999 GY21's minor planet group is recorded as asteroid belt[7].
  • (59437) 1999 GY21's parent astronomical body is recorded as Sun[8].
  • (59437) 1999 GY21's provisional designation is recorded as 2001 UM45[9].
  • (59437) 1999 GY21's provisional designation is recorded as 1999 GY21[10].
  • (59437) 1999 GY21's time of discovery or invention is recorded as +1999-04-07T00:00:00Z[11].
  • (59437) 1999 GY21's JPL Small-Body Database SPK-ID is recorded as 20059437[12].
  • (59437) 1999 GY21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.02408240548598331'}[13].
  • (59437) 1999 GY21's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.1'}[14].
  • (59437) 1999 GY21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.206151969816995'}[15].
  • (59437) 1999 GY21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1665.903945902219'}[16].
  • (59437) 1999 GY21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+55.10158289856531'}[17].
  • (59437) 1999 GY21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.750221587395683'}[18].
  • (59437) 1999 GY21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.81645353883965'}[19].
  • (59437) 1999 GY21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.683989635951715'}[20].
  • (59437) 1999 GY21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+98.50677731762343'}[21].
  • (59437) 1999 GY21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+346.8268932249176'}[22].
  • (59437) 1999 GY21's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.73'}[23].
  • (59437) 1999 GY21's albedo is recorded as {'unit': '1', 'amount': '+0.072'}[24].
  • (59437) 1999 GY21's Minor Planet Center body ID is recorded as 59437[25].
  • (59437) 1999 GY21's epoch is recorded as November 21, 2025[26].

Body

Designation and Status

(59437) 1999 GY21'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] ↑ . 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.
  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). (59437) 1999 GY21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-59437-1999-gy21
MLA “(59437) 1999 GY21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-59437-1999-gy21.
BibTeX @misc{4ortxyz_-59437-1999-gy21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(59437) 1999 GY21}}, year = {2026}, url = {https://4ort.xyz/entity/-59437-1999-gy21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (59437) 1999 GY21 — https://4ort.xyz/entity/-59437-1999-gy21 (retrieved 2026-05-03)

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