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7521 Wylezalek

main-belt minor planet
Place Asteroid Q711201

Facts

26 properties

Identity

Instance of
asteroid
More facts +25
Follows
(7520) 1990 BV[4]
Followed by
(7522) 1991 AJ[5]
Absolute magnitude
+12.9, +13.04[17][18]
Albedo
+0.254[37]
Apoapsis
+2.931, +2.937539385904806[28][29]
Argument of periapsis
+17.51174, +7.648655724141356[32][33]
Diameter
+7.612[36]
Discoverer or inventor
Henry E. Holt[1]
Epoch
November 21, 2025[38]
Longitude of ascending node
+143.25622, +143.1294927868417[24][25]
Mean anomaly
+39.59898, +247.9443724321914[34][35]
Minor planet group
asteroid belt[6]
Named after
Dominika Wylezalek[3]
Orbital eccentricity
0.01 (0.01–0.01, n=3)[14][15][16]
Orbital inclination
+2.64882, +2.651439067709378[19][20]
Orbital period
+4.94, +1803.549619978464[21][22]
Parent astronomical body
Sun[7]
Periapsis
+2.8739280, +2.86186119802042[30][31]
Provisional designation
1990 QS2, 1983 HQ1, 1985 SB4, 1986 WC7[8][9][10][11]
Rotation period
+5.04[23]
Semi-major axis of an orbit
+2.9023764, +2.899700291962613[26][27]
Significant event
naming[13]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
August 24, 1990[12]
Time of periapsis
+2461561.8830125453[39]
🏷️ Also known as
en 7521 Wylezalek ar (7521) 1990 QS2 hu (7521) 1990 QS2 it 1986 WC7 it 1990 QS2 it 1983 HQ1 it 1985 SB4 ru 1983 HQ1 ru 1985 SB4 ru 1986 WC7 ru 1990 QS2 zh 小行星7521
🔖 Identifiers · 4
Freebase ID
/m/0g4_q4n
JPL Small-Body Database SPK-ID
20007521
Minor Planet Center body ID
7521
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet7521Provisional1990QS2"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 1
Henry E. Holt
Epoch 1
November 21, 2025
Followed by 1
(7522) 1991 AJ
Followed by (predecessor) 1
(7522) 1991 AJ
Follows 1
(7520) 1990 BV
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(7520) 1990 BV
Site of astronomical discovery 1
Palomar Observatory
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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . JPL Small-Body 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] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . Minor Planet Center 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . 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.

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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). 7521 Wylezalek. Retrieved November 8, 2026, from https://4ort.xyz/entity/7521-wylezalek
MLA “7521 Wylezalek.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/7521-wylezalek.
BibTeX @misc{4ortxyz_7521-wylezalek_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{7521 Wylezalek}}, year = {2026}, url = {https://4ort.xyz/entity/7521-wylezalek}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 7521 Wylezalek — https://4ort.xyz/entity/7521-wylezalek (retrieved 2026-11-08)

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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. 6d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → {'unit': 'Q28390', 'amount': '+2.64882'}, {'unit': 'Q28390', 'amount': '+2.651439067709378'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.931'}, {'unit': 'Q1811', 'amount': '+2.937539385904806'}
    Discoverer or inventor → Henry E. Holt
    Site of astronomical discovery → Palomar Observatory
    + 21 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.