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5255 Johnsophie

asteroid
Thing asteroid Q155165

Facts

24 properties
Instance of
asteroid
Follows
5254 Ulysses[3]
Followed by
5256 Farquhar[4]
Absolute magnitude
+13.3, +13.55[15][16]
Albedo
+0.051[34]
Apoapsis
+2.719, +2.717247462810738[25][26]
Argument of periapsis
+126.12998, +117.037492466429[29][30]
Diameter
+13.732[33]
Discoverer or inventor
Eleanor F. Helin[1]
Epoch
November 21, 2025[35]
Longitude of ascending node
+99.61286, +99.56206930729277[21][22]
Mean anomaly
+311.84127, +233.0204018276618[31][32]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.02 (0.02–0.02, n=3)[12][13][14]
Orbital inclination
+11.61456, +11.62198309085096[17][18]
Orbital period
+4.37, +1595.854221298113[19][20]
Parent astronomical body
Sun[6]
Periapsis
+2.6234310, +2.627902024250522[27][28]
Provisional designation
1979 HF6, 1988 KF, 1991 AA2[7][8][9]
Semi-major axis of an orbit
+2.6709688, +2.67257474353063[23][24]
Significant event
naming[11]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
May 19, 1988[10]
Time of periapsis
+2461563.3914660057[36]
🏷️ Also known as
en Johnsophie de (5255) Johnsophie fa سیارک ۵۲۵۵ ja ジョンソフィー ru 1988 KF ru 1979 HF6 ru 1991 AA2 ru (5255) 1988 KF uk 5255 Джонсофі zh 小行星5255
🔖 Identifiers · 3
Freebase ID
/m/03y543l
JPL Small-Body Database SPK-ID
20005255
Minor Planet Center body ID
5255

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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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.

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APA 4ort.xyz Knowledge Graph. (2026). 5255 Johnsophie. Retrieved November 2, 2026, from https://4ort.xyz/entity/5255-johnsophie
MLA “5255 Johnsophie.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/5255-johnsophie.
BibTeX @misc{4ortxyz_5255-johnsophie_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{5255 Johnsophie}}, year = {2026}, url = {https://4ort.xyz/entity/5255-johnsophie}, note = {Accessed: 2026-11-02}}
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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. 5d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 5254 Ulysses
    JPL Small-Body Database SPK-ID → 20005255
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461563.3914660057'}
    Minor planet group → asteroid belt
    + 28 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
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