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4085 Weir

asteroid
Thing Asteroid Q152642

Facts

25 properties
Instance of
asteroid
Follows
4084 Hollis[3]
Followed by
4086 Podalirius[4]
Absolute magnitude
+12.2, +12.5[15][16]
Albedo
+0.273[36]
Apoapsis
+2.884, +2.884805206749938[27][28]
Argument of periapsis
+136.35689, +134.9811446975423[31][32]
Diameter
+9.221[35]
Discoverer or inventor
Carolyn S. Shoemaker[1]
Epoch
November 21, 2025[37]
Longitude of ascending node
+68.68149, +68.65371656553765[23][24]
Mean anomaly
+308.48171, +245.7731603368088[33][34]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.11 (0.11–0.11, n=3)[12][13][14]
Orbital inclination
14.2 (14.2–14.2, n=3)[17][18][19]
Orbital period
+4.21, +1537.780158077928[20][21]
Parent astronomical body
Sun[6]
Periapsis
+2.3284220, +2.329869390305632[29][30]
Provisional designation
1981 JY, 1982 XK, 1985 JR[7][8][9]
Rotation period
+14.602[22]
Semi-major axis of an orbit
+2.6059997, +2.607337298527785[25][26]
Significant event
naming[11]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
May 13, 1985[10]
Show all 25 facts +1
Time of periapsis
+2461488.43268765[38]
🏷️ Also known as
en Weir de (4085) Weir fa سیارک ۴۰۸۵ ru (4085) 1985 JR ru 1982 XK ru 1981 JY ru 1985 JR uk 4085 Вейр zh 小行星4085
🔖 Identifiers · 3
Freebase ID
/m/03ykxtv
JPL Small-Body Database SPK-ID
20004085
Minor Planet Center body ID
4085

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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . Minor Planet Center database. wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . wikidata.org.
  18. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  26. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  27. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  28. [28] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  29. [29] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  30. [30] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  31. [31] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  32. [32] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  33. [33] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  34. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  37. [37] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  38. [38] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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). 4085 Weir. Retrieved November 6, 2026, from https://4ort.xyz/entity/4085-weir
MLA “4085 Weir.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/4085-weir.
BibTeX @misc{4ortxyz_4085-weir_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4085 Weir}}, year = {2026}, url = {https://4ort.xyz/entity/4085-weir}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 4085 Weir — https://4ort.xyz/entity/4085-weir (retrieved 2026-11-06)

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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. 10d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 4084 Hollis
    JPL Small-Body Database SPK-ID → 20004085
    Time of periapsis → 2,461,488.432688 Julian day
    Minor planet group → asteroid belt
    + 25 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.