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2908 Shimoyama

asteroid
Thing Asteroid Q250273

Facts

26 properties
Instance of
asteroid
Follows
2907 Nekrasov[4]
Followed by
2909 Hoshi-no-ie[5]
Absolute magnitude
+11.8, +11.98[18][19]
Albedo
+0.035[38]
Apoapsis
+3.438, +3.434334617380584[29][30]
Argument of periapsis
+154.25045, +153.355326018727[33][34]
Diameter
+29.663[37]
Discoverer or inventor
Toshimasa Furuta[1]
Epoch
November 21, 2025[39]
Longitude of ascending node
+233.31307, +233.1895824927402[25][26]
Mean anomaly
+36.81733, +215.2264505016658[35][36]
Minor planet group
asteroid belt[6]
Named after
Shimoyama[3]
Orbital eccentricity
0.15 (0.15–0.15, n=3)[15][16][17]
Orbital inclination
+13.36767, +13.37372082492732[20][21]
Orbital period
+5.14, +1876.969149328888[22][23]
Parent astronomical body
Sun[7]
Periapsis
+2.5160094, +2.521406349329577[31][32]
Provisional designation
1950 TJ4, 1955 TQ, 1976 YA4, 1981 UH10, 1981 WA[8][9][10][11][12]
Rotation period
+694.117[24]
Semi-major axis of an orbit
+2.9769468, +2.97787048335508[27][28]
Significant event
naming[14]
Site of astronomical discovery
Tōkai-shi[2]
Show all 26 facts +2
Time of discovery or invention
November 18, 1981[13]
Time of periapsis
+2461755.3207945754[40]
🏷️ Also known as
en Shimoyama de (2908) Shimoyama el 2908 Σιμογιάμα fa سیارک ۲۹۰۸ ru 1981 WA ru (2908) 1981 WA ru (2908) Симояма ru Симояма ru 1981 UH10 ru 1950 TJ4 ru 1955 TQ ru 1976 YA4 uk 2908 Сімояма zh 小行星2908
🔖 Identifiers · 3
Freebase ID
/m/03yghk0
JPL Small-Body Database SPK-ID
20002908
Minor Planet Center body ID
2908

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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] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . Minor Planet Center database. wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  39. [39] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  40. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 2908 Shimoyama. Retrieved November 10, 2026, from https://4ort.xyz/entity/2908-shimoyama
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BibTeX @misc{4ortxyz_2908-shimoyama_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2908 Shimoyama}}, year = {2026}, url = {https://4ort.xyz/entity/2908-shimoyama}, note = {Accessed: 2026-11-10}}
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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. 11w ago · MatSuBot bot · 2026-08-24 view diff on Wikidata ↗
    Absolute magnitude → 11.8, 11.98
    Provisional designation → 1950 TJ4, 1955 TQ, 1976 YA4 +2
    Albedo → 0.035
    Parent astronomical body → Sun
    + 26 other properties edited (see Wikidata diff for full list)
    "Changed labels, descriptions or aliases: import labels from sitelinks"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.