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522 Helga

outer main-belt asteroid
Thing asteroid Q155129

Facts

26 properties
Instance of
asteroid
Follows
521 Brixia[3]
Followed by
523 Ada[4]
Absolute magnitude
+9.02[15]
Albedo
+0.0388[27]
Apoapsis
+3.939107219493484[22]
Argument of periapsis
+249.3997799375774[24]
Asteroid spectral type
X-type asteroid[12]
Diameter
+101.22[26]
Discoverer or inventor
Max Wolf[1]
Epoch
November 21, 2025[28]
Longitude of ascending node
+116.5338464966673[20]
Mean anomaly
+322.4472648943717[25]
Minor planet group
asteroid belt, outer asteroid belt[5][6]
Orbital eccentricity
+0.08601973496013122[14]
Orbital inclination
+4.446, +4.419968531609906[16][17]
Orbital period
+2523.123765128066[18]
Parent astronomical body
Sun[7]
Periapsis
+3.315102059931981[23]
Provisional designation
A904 AF, 1936 QP, A902 WB[8][9][10]
Rotation period
+8.129[19]
Semi-major axis of an orbit
+3.627104639712733[21]
Significant event
naming[13]
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[2]
Show all 26 facts +2
Time of discovery or invention
January 10, 1904[11]
Time of periapsis
+2461263.6949955295[29]
🏷️ Also known as
en (522) Helga en Helga de 522 Helga el 522 Χέλγκα fa سیارک ۵۲۲ ja ヘルガ ru Хельга ru 1936 QP ru 1904 NC ru (522) 1904 NC ru (522) Хельга ru A902 WB ru A904NC uk 522 Хельга zh 小行星522
🔖 Identifiers · 3
Freebase ID
/m/08lwdr
JPL Small-Body Database SPK-ID
20000522
Minor Planet Center body ID
522

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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] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  29. [29] ↑ . 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). 522 Helga. Retrieved November 4, 2026, from https://4ort.xyz/entity/522-helga
MLA “522 Helga.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/522-helga.
BibTeX @misc{4ortxyz_522-helga_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{522 Helga}}, year = {2026}, url = {https://4ort.xyz/entity/522-helga}, 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. 7d ago · Kwamikagami · 2026-10-31 view diff on Wikidata ↗
    Astronomic symbol image → Helga symbol (fixed width).svg
    Wikipedia languages → ['arz', 'ca', 'ce', 'commons', 'de', 'el', 'en', 'eo', 'es', 'eu', 'fa', 'fi', '
    Sitelink count → 39
    Claims rich → —
    "/* wbsetclaim-update:2||1 */ Astronomic symbol image: Helga symbol (fixed width).svg"
  2. 22d ago · Kwamikagami · 2026-10-17 view diff on Wikidata ↗
    Imported from → —
    Rotation period → {'unit': 'Q25235', 'amount': '+8.129'}
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+116.5338464966673'}
    Wikipedia languages → ['arz', 'ca', 'ce', 'commons', 'de', 'el', 'en', 'eo', 'es', 'eu', 'fa', 'fi', '
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ Astronomic symbol image: Silicon symbol (Dalton).svg"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.