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1309 Hyperborea

asteroid
Thing asteroid Q137866

Facts

26 properties
Instance of
asteroid
Follows
1308 Halleria[4]
Followed by
1310 Villigera[5]
Absolute magnitude
+10.3, +10.38[20][21]
Albedo
+0.0450, +0.043[41][42]
Apoapsis
+3.687, +3.678415735565796[32][33]
Argument of periapsis
+244.79377, +243.1865734621268[36][37]
Diameter
+57.57[40]
Discoverer or inventor
Grigory Neujmin[1]
Epoch
November 21, 2025[43]
Longitude of ascending node
+206.07571, +205.9742343341012[28][29]
Mean anomaly
+35.43998, +88.74130352200764[38][39]
Minor planet group
asteroid belt, outer asteroid belt[6][7]
Named after
Hyperborea[3]
Orbital eccentricity
0.15 (0.15–0.15, n=3)[17][18][19]
Orbital inclination
10.3 (10.3–10.3, n=3)[22][23][24]
Orbital period
+5.74, +2100.111821171971[25][26]
Parent astronomical body
Sun[8]
Periapsis
+2.7253464, +2.740465260586775[34][35]
Provisional designation
1931 TO, 1934 GT, 1971 SG1, 1973 AW4, A919 RB, A919 SH[9][10][11][12][13][14]
Rotation period
+13.88[27]
Semi-major axis of an orbit
+3.2059529, +3.209440498076285[30][31]
Significant event
naming[16]
Site of astronomical discovery
Simeiz Observatory[2]
Show all 26 facts +2
Time of discovery or invention
October 11, 1931[15]
Time of periapsis
+2460482.814831798[44]
🏷️ Also known as
en (1309) Hyperborea en Hyperborea el 1309 Υπερβορεία fa سیارک ۱۳۰۹ fr (1309) Hyperborée ja ヒペルボレア ru A919 RB ru A919 SH ru Гиперборея ru 1931 TO ru (1309) 1931 TO ru (1309) Гиперборея ru 1934 GT ru 1971 SG1 ru 1973 AW4 uk 1309 Гіперборея zh 小行星1309
🔖 Identifiers · 3
Freebase ID
/m/03y4277
JPL Small-Body Database SPK-ID
20001309
Minor Planet Center body ID
1309

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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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  37. [37] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  38. [38] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  41. [41] ↑ . wikidata.org.
  42. [42] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  43. [43] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  44. [44] ↑ . 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). 1309 Hyperborea. Retrieved November 4, 2026, from https://4ort.xyz/entity/1309-hyperborea
MLA “1309 Hyperborea.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/1309-hyperborea.
BibTeX @misc{4ortxyz_1309-hyperborea_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1309 Hyperborea}}, year = {2026}, url = {https://4ort.xyz/entity/1309-hyperborea}, note = {Accessed: 2026-11-04}}
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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 · 2026-10-30 view diff on Wikidata ↗
    Wikipedia languages → ['arz', 'ca', 'ce', 'de', 'el', 'en', 'eo', 'es', 'eu', 'fa', 'fr', 'hu', 'hy',
    Sitelink count → 37
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
  2. 15w ago · MatSuBot bot · 2026-07-20 view diff on Wikidata ↗
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+206.07571'}, {'unit': 'Q28390', 'amount': '+205.9742343341012'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+3.687'}, {'unit': 'Q1811', 'amount': '+3.678415735565796'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+35.43998'}, {'unit': 'Q28390', 'amount': '+88.74130352200764'}
    Epoch → November 21, 2025
    + 27 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-short:0||ca, kk */ import labels from sitelinks"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.