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4505 Okamura

asteroid
Place asteroid Q979153

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
4504 Jenkinson[3]
Followed by
4506 Hendrie[4]
Absolute magnitude
+11.4, +11.45[18][19]
Albedo
+0.213[38]
Apoapsis
+3.168, +3.172438184816655[29][30]
Argument of periapsis
+19.06766, +15.57620465339675[33][34]
Diameter
+18.762[37]
Discoverer or inventor
Tsutomu Seki[1]
Epoch
November 21, 2025[39]
Longitude of ascending node
+119.07864, +119.0234792986788[25][26]
Mean anomaly
+227.58836, +324.143837776544[35][36]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.05 (0.05–0.05, n=3)[15][16][17]
Orbital inclination
+11.83392, +11.83949337021962[20][21]
Orbital period
+5.22, +1909.932615289095[22][23]
Parent astronomical body
Sun[6]
Periapsis
+2.8507388, +2.85283035620782[31][32]
Provisional designation
1943 ET, 1973 YC4, 1976 NO, 1978 YG, 1982 SS, 1990 DV1[7][8][9][10][11][12]
Rotation period
+6.6687[24]
Semi-major axis of an orbit
+3.0091677, +3.012634270512237[27][28]
Significant event
naming[14]
Site of astronomical discovery
Geisei observatory[2]
Time of discovery or invention
February 20, 1990[13]
Time of periapsis
+2461190.730149138[40]
🏷️ Also known as
en Okamura en 4505 Okamura de (4505) Okamura fa سیارک ۴۵۰۵ ja 岡村 ru 1990 DV1 ru (4505) 1990 DV1 ru (4505) Okamura ru (4505) Окамура ru Okamura ru Окамура ru 1982 SS ru 1943 ET ru 1973 YC4 ru 1976 NO ru 1978 YG uk 4505 Окамура zh 小行星4505
🔖 Identifiers · 3
Freebase ID
/m/03y7v1c
JPL Small-Body Database SPK-ID
20004505
Minor Planet Center body ID
4505

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🔗 Connections
Discoverer or inventor 1
Tsutomu Seki
Epoch 1
November 21, 2025
Follows 1
4504 Jenkinson
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
4504 Jenkinson
Site of astronomical discovery 1
Geisei observatory
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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] ↑ . 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). 4505 Okamura. Retrieved November 1, 2026, from https://4ort.xyz/entity/4505-okamura
MLA “4505 Okamura.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/4505-okamura.
BibTeX @misc{4ortxyz_4505-okamura_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4505 Okamura}}, year = {2026}, url = {https://4ort.xyz/entity/4505-okamura}, note = {Accessed: 2026-11-01}}
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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. 7d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 4504 Jenkinson
    Follows → —
    Instance of → —
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461190.730149138'}
    + 25 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.