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(66784) 1999 TM228

asteroid
Place asteroid Q15182076
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(66784) 1999 TM228

Summary

(66784) 1999 TM228 is an asteroid[1].

Key Facts

  • (66784) 1999 TM228 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (66784) 1999 TM228's instance of is recorded as asteroid[3].
  • (66784) 1999 TM228's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (66784) 1999 TM228 followed (66783) 1999 TE227[5].
  • (66784) 1999 TM228 was followed by (66785) 1999 TN228[6].
  • (66784) 1999 TM228's minor planet group is recorded as asteroid belt[7].
  • (66784) 1999 TM228's parent astronomical body is recorded as Sun[8].
  • (66784) 1999 TM228's provisional designation is recorded as 1999 TM228[9].
  • (66784) 1999 TM228's provisional designation is recorded as 1999 RN257[10].
  • (66784) 1999 TM228's provisional designation is recorded as 1995 UQ64[11].
  • (66784) 1999 TM228's time of discovery or invention is recorded as October 2, 1999[12].
  • (66784) 1999 TM228's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1686579405895588'}[13].
  • (66784) 1999 TM228's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.04'}[14].
  • (66784) 1999 TM228's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.907603845422774'}[15].
  • (66784) 1999 TM228's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1522.438142761451'}[16].
  • (66784) 1999 TM228's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+165.7746127405013'}[17].
  • (66784) 1999 TM228's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.589966536415214'}[18].
  • (66784) 1999 TM228's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.026784958642877'}[19].
  • (66784) 1999 TM228's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.153148114187552'}[20].
  • (66784) 1999 TM228's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+145.370942712017'}[21].
  • (66784) 1999 TM228's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+43.15044834241633'}[22].
  • (66784) 1999 TM228's epoch is recorded as October 17, 2024[23].
  • (66784) 1999 TM228's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460418.016976573'}[24].

Body

Designation and Status

(66784) 1999 TM228'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.
  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.

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). (66784) 1999 TM228. Retrieved May 3, 2026, from https://4ort.xyz/entity/-66784-1999-tm228
MLA “(66784) 1999 TM228.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-66784-1999-tm228.
BibTeX @misc{4ortxyz_-66784-1999-tm228_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66784) 1999 TM228}}, year = {2026}, url = {https://4ort.xyz/entity/-66784-1999-tm228}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66784) 1999 TM228 — https://4ort.xyz/entity/-66784-1999-tm228 (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. 4w ago · LiMrBot bot · 2026-05-13 view diff on Wikidata ↗
    Time of discovery or invention → +1999-10-02T00:00:00Z
    Jpl small-body database spk-id → 20066784
    Site of astronomical discovery → Experimental Test Site
    Argument of periapsis → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P2244]]: 2.153148114187552±0.0000000078576 astronomical unit"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.