Home › Entities › asteroid › (59993) 1999 SL20

(59993) 1999 SL20

asteroid
Place asteroid Q15170032
Press Enter · cited answer in seconds

(59993) 1999 SL20

Summary

(59993) 1999 SL20 is an asteroid[1].

Key Facts

  • (59993) 1999 SL20 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (59993) 1999 SL20's instance of is recorded as asteroid[3].
  • (59993) 1999 SL20's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (59993) 1999 SL20's follows is recorded as (59992) 1999 SZ18[5].
  • (59993) 1999 SL20's followed by is recorded as (59994) 1999 SH22[6].
  • (59993) 1999 SL20's minor planet group is recorded as asteroid belt[7].
  • (59993) 1999 SL20's parent astronomical body is recorded as Sun[8].
  • (59993) 1999 SL20's provisional designation is recorded as 1999 SL20[9].
  • (59993) 1999 SL20's time of discovery or invention is recorded as +1999-09-30T00:00:00Z[10].
  • (59993) 1999 SL20's JPL Small-Body Database SPK-ID is recorded as 20059993[11].
  • (59993) 1999 SL20's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1429138267856892'}[12].
  • (59993) 1999 SL20's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.56'}[13].
  • (59993) 1999 SL20's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+14.61944560717603'}[14].
  • (59993) 1999 SL20's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2018.345101667935'}[15].
  • (59993) 1999 SL20's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+83.2825176828313'}[16].
  • (59993) 1999 SL20's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.125585130180757'}[17].
  • (59993) 1999 SL20's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.572274462079336'}[18].
  • (59993) 1999 SL20's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.678895798282179'}[19].
  • (59993) 1999 SL20's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+301.286384496962'}[20].
  • (59993) 1999 SL20's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+260.5871393209515'}[21].
  • (59993) 1999 SL20's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+13.307'}[22].
  • (59993) 1999 SL20's albedo is recorded as {'unit': '1', 'amount': '+0.052'}[23].
  • (59993) 1999 SL20's Minor Planet Center body ID is recorded as 59993[24].
  • (59993) 1999 SL20's epoch is recorded as November 21, 2025[25].
  • (59993) 1999 SL20's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461557.8596122065'}[26].

Body

Designation and Status

(59993) 1999 SL20'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 . 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] ↑ . 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). (59993) 1999 SL20. Retrieved May 3, 2026, from https://4ort.xyz/entity/-59993-1999-sl20
MLA “(59993) 1999 SL20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-59993-1999-sl20.
BibTeX @misc{4ortxyz_-59993-1999-sl20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(59993) 1999 SL20}}, year = {2026}, url = {https://4ort.xyz/entity/-59993-1999-sl20}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (59993) 1999 SL20 — https://4ort.xyz/entity/-59993-1999-sl20 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-59993-1999-sl20 · Last refreshed: