Home › Entities › asteroid › (59818) 1999 RF21

(59818) 1999 RF21

asteroid
Place asteroid Q15170227
Press Enter · cited answer in seconds

(59818) 1999 RF21

Summary

(59818) 1999 RF21 is an asteroid[1].

Key Facts

  • (59818) 1999 RF21 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (59818) 1999 RF21's instance of is recorded as asteroid[3].
  • (59818) 1999 RF21's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (59818) 1999 RF21's follows is recorded as (59817) 1999 RC21[5].
  • (59818) 1999 RF21's followed by is recorded as (59819) 1999 RH22[6].
  • (59818) 1999 RF21's minor planet group is recorded as asteroid belt[7].
  • (59818) 1999 RF21's parent astronomical body is recorded as Sun[8].
  • (59818) 1999 RF21's provisional designation is recorded as 2002 CJ205[9].
  • (59818) 1999 RF21's provisional designation is recorded as 1999 RF21[10].
  • (59818) 1999 RF21's time of discovery or invention is recorded as +1999-09-07T00:00:00Z[11].
  • (59818) 1999 RF21's JPL Small-Body Database SPK-ID is recorded as 20059818[12].
  • (59818) 1999 RF21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2049502856702826'}[13].
  • (59818) 1999 RF21's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.26'}[14].
  • (59818) 1999 RF21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+2.922468428084666'}[15].
  • (59818) 1999 RF21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1810.72133958207'}[16].
  • (59818) 1999 RF21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+131.0062010212983'}[17].
  • (59818) 1999 RF21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.907382209606798'}[18].
  • (59818) 1999 RF21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.503251024018408'}[19].
  • (59818) 1999 RF21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.311513395195187'}[20].
  • (59818) 1999 RF21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+183.9210158561332'}[21].
  • (59818) 1999 RF21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+136.1417458392673'}[22].
  • (59818) 1999 RF21's Minor Planet Center body ID is recorded as 59818[23].
  • (59818) 1999 RF21's epoch is recorded as November 21, 2025[24].
  • (59818) 1999 RF21's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460315.736765558'}[25].

Body

Designation and Status

(59818) 1999 RF21'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] ↑ . wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . 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). (59818) 1999 RF21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-59818-1999-rf21
MLA “(59818) 1999 RF21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-59818-1999-rf21.
BibTeX @misc{4ortxyz_-59818-1999-rf21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(59818) 1999 RF21}}, year = {2026}, url = {https://4ort.xyz/entity/-59818-1999-rf21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (59818) 1999 RF21 — https://4ort.xyz/entity/-59818-1999-rf21 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-59818-1999-rf21 · Last refreshed: