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(66634) 1999 RJ212

asteroid
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(66634) 1999 RJ212

Summary

(66634) 1999 RJ212 is an asteroid[1].

Key Facts

  • (66634) 1999 RJ212 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66634) 1999 RJ212's instance of is recorded as asteroid[3].
  • (66634) 1999 RJ212's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66634) 1999 RJ212 followed (66633) 1999 RB212[5].
  • (66634) 1999 RJ212 was followed by (66635) 1999 RR212[6].
  • (66634) 1999 RJ212's minor planet group is recorded as asteroid belt[7].
  • (66634) 1999 RJ212's parent astronomical body is recorded as Sun[8].
  • (66634) 1999 RJ212's provisional designation is recorded as 1999 RJ212[9].
  • (66634) 1999 RJ212's time of discovery or invention is recorded as September 8, 1999[10].
  • (66634) 1999 RJ212's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1883215002627897'}[11].
  • (66634) 1999 RJ212's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.27'}[12].
  • (66634) 1999 RJ212's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.21080097985006'}[13].
  • (66634) 1999 RJ212's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1562.927385444'}[14].
  • (66634) 1999 RJ212's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+225.9399641103442'}[15].
  • (66634) 1999 RJ212's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.635685471721634'}[16].
  • (66634) 1999 RJ212's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.132041713977091'}[17].
  • (66634) 1999 RJ212's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.139329229466178'}[18].
  • (66634) 1999 RJ212's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+207.4775646724147'}[19].
  • (66634) 1999 RJ212's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+259.2041357907186'}[20].
  • (66634) 1999 RJ212's epoch is recorded as October 17, 2024[21].
  • (66634) 1999 RJ212's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461038.1017125337'}[22].

Body

Designation and Status

(66634) 1999 RJ212'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.

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). (66634) 1999 RJ212. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66634-1999-rj212
MLA “(66634) 1999 RJ212.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66634-1999-rj212.
BibTeX @misc{4ortxyz_-66634-1999-rj212_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66634) 1999 RJ212}}, year = {2026}, url = {https://4ort.xyz/entity/-66634-1999-rj212}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66634) 1999 RJ212 — https://4ort.xyz/entity/-66634-1999-rj212 (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. 28d ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Parent astronomical body → Sun
    Jpl small-body database spk-id → 20066634
    Mean anomaly → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1457]]: 15.27"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.