Home › Entities › Asteroid › (7522) 1991 AJ

(7522) 1991 AJ

asteroid
Place Asteroid Q1483491

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
7521 Wylezalek[4]
Followed by
(7523) 1991 PF18[5]
Absolute magnitude
+12.6, +12.77[14][15]
Albedo
+0.107[34]
Apoapsis
+3.751, +3.748337800591446[25][26]
Argument of periapsis
+359.72944, +358.5122023749314[29][30]
Diameter
+13.794[33]
Discoverer or inventor
Masaru Arai, Hiroshi Mori[1][2]
Epoch
May 5, 2025[35]
Longitude of ascending node
+111.96120, +111.8285978007403[21][22]
Mean anomaly
+345.73583, +5.793494042141771[31][32]
Minor planet group
asteroid belt, outer asteroid belt[6][7]
Orbital eccentricity
0.17 (0.17–0.17, n=3)[11][12][13]
Orbital inclination
+10.36018, +10.36564280439705[16][17]
Orbital period
+5.73, +2094.449074973229[18][19]
Parent astronomical body
Sun[8]
Periapsis
+2.6499719, +2.658999413867221[27][28]
Provisional designation
1991 AJ[9]
Rotation period
+60.405[20]
Semi-major axis of an orbit
+3.2004332, +3.203668607229333[23][24]
Site of astronomical discovery
Yorii Observatory[3]
Time of discovery or invention
January 9, 1991[10]
Time of periapsis
+2460766.7939493405[36]
🏷️ Also known as
en (7522) 1991 AJ ru 1991 AJ zh 小行星7522
🔖 Identifiers · 4
Freebase ID
/m/0g4_q4r
JPL Small-Body Database SPK-ID
20007522
Minor Planet Center body ID
7522
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet7522Provisional1991AJ"]

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

🔗 Connections
Discoverer or inventor 2
Masaru Arai, Hiroshi Mori
Epoch 1
May 5, 2025
Followed by 1
(7523) 1991 PF18
Followed by (predecessor) 1
(7523) 1991 PF18
Follows 1
7521 Wylezalek
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
7521 Wylezalek
Press Enter · cited answer in seconds

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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . Minor Planet Center 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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.

📑 Cite this page

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). (7522) 1991 AJ. Retrieved November 8, 2026, from https://4ort.xyz/entity/7522-1991-aj
MLA “(7522) 1991 AJ.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/7522-1991-aj.
BibTeX @misc{4ortxyz_7522-1991-aj_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(7522) 1991 AJ}}, year = {2026}, url = {https://4ort.xyz/entity/7522-1991-aj}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (7522) 1991 AJ — https://4ort.xyz/entity/7522-1991-aj (retrieved 2026-11-08)

Canonical URL: https://4ort.xyz/entity/7522-1991-aj · Last refreshed:

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. 10d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → 10.36018 degree, 10.365643 degree
    Apoapsis → 3.751 astronomical unit, 3.748338 astronomical unit
    Discoverer or inventor → Masaru Arai, Hiroshi Mori
    Site of astronomical discovery → Yorii Observatory
    + 18 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.