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(74605) 1999 RL12

asteroid
Place asteroid Q15188336
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Summary

(74605) 1999 RL12 is an asteroid[1]. (74605) 1999 RL12 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • Discoverer or inventor: Lincoln Near-Earth Asteroid Research[3]
  • Site of astronomical discovery: Experimental Test Site[4]
  • Follows: (74604) 1999 RU11[5]
  • Followed by: (74606) 1999 RR12[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 1999 RL12[9]
  • Time of discovery or invention: September 7, 1999[10]
  • Orbital eccentricity: 0.186972205706268[11]
  • Absolute magnitude: 15.82[12]
  • Orbital inclination: 2.485806097291366 degree[13]
  • Orbital period: 1280.998545966209 day[14]
  • Rotation period: 4.05 hour[15]
  • Longitude of ascending node: 223.2086420992815 degree[16]
  • Semi-major axis of an orbit: 2.308341927532738 astronomical unit[17]
  • Apoapsis: 2.739937709247792 astronomical unit[18]
  • Periapsis: 1.876746145817684 astronomical unit[19]
  • Argument of periapsis: 139.7515661313959 degree[20]
  • Mean anomaly: 154.3083564959468 degree[21]
  • Epoch: November 21, 2025[22]
  • Time of periapsis: 2460451.4200547175 Julian day[23]

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (74605) 1999 RL12. Retrieved October 29, 2026, from https://4ort.xyz/entity/-74605-1999-rl12
MLA “(74605) 1999 RL12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-74605-1999-rl12.
BibTeX @misc{4ortxyz_-74605-1999-rl12_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74605) 1999 RL12}}, year = {2026}, url = {https://4ort.xyz/entity/-74605-1999-rl12}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74605) 1999 RL12 — https://4ort.xyz/entity/-74605-1999-rl12 (retrieved 2026-10-29)

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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. 22w ago · LiMrBot bot · 2026-05-27 view diff on Wikidata ↗
    Discoverer or inventor → Lincoln Near-Earth Asteroid Research
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.739937709247792'}
    Orbital inclination → {'unit': 'Q28390', 'amount': '+2.485806097291366'}
    Time of discovery or invention → +1999-09-07T00:00:00Z
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.84"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.