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(22303) 1990 QE4

minor planet
Place Asteroid Q4542306

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
(22302) 1990 OG4[3]
Followed by
(22304) 1990 RU9[4]
Absolute magnitude
+14.0, +14.26[13][14]
Albedo
+0.058[32]
Apoapsis
+3.311, +3.311710709326614[23][24]
Argument of periapsis
+181.02896, +181.2184647257414[27][28]
Diameter
+7.962[31]
Discoverer or inventor
Henry E. Holt[1]
Epoch
November 21, 2025[33]
Longitude of ascending node
+157.23205, +157.0376570645485[19][20]
Mean anomaly
+224.74283, +167.3338893188159[29][30]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.28 (0.28–0.28, n=3)[10][11][12]
Orbital inclination
+14.31917, +14.327982383083[15][16]
Orbital period
+4.16, +1519.332896779599[17][18]
Parent astronomical body
Sun[6]
Periapsis
+1.8635558, +1.861176455220021[25][26]
Provisional designation
1990 QE4, 1998 LC[7][8]
Semi-major axis of an orbit
+2.5874759, +2.586443582273318[21][22]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
August 23, 1990[9]
Time of periapsis
+2460294.2892144774[34]
🏷️ Also known as
en (22303) 1990 QE4 ru 1990 QE4 ru 1998 LC zh 小行星22303
🔖 Identifiers · 4
Freebase ID
/m/0h52km1
JPL Small-Body Database SPK-ID
20022303
Minor Planet Center body ID
22303
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet22303Provisional1990QE4"]

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
(22304) 1990 RU9
Followed by (predecessor) 1
(22304) 1990 RU9
Follows 1
(22302) 1990 OG4
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(22302) 1990 OG4
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] ↑ . 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] ↑ . wikidata.org.
  11. [11] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.

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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). (22303) 1990 QE4. Retrieved November 11, 2026, from https://4ort.xyz/entity/22303-1990-qe4
MLA “(22303) 1990 QE4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/22303-1990-qe4.
BibTeX @misc{4ortxyz_22303-1990-qe4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(22303) 1990 QE4}}, year = {2026}, url = {https://4ort.xyz/entity/22303-1990-qe4}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (22303) 1990 QE4 — https://4ort.xyz/entity/22303-1990-qe4 (retrieved 2026-11-11)

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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. 27w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → 4.16 year, 1,519.332897 day
    Argument of periapsis → 181.02896 degree, 181.218465 degree
    Mean anomaly → 224.74283 degree, 167.333889 degree
    Epoch → November 21, 2025
    + 17 other properties edited (see Wikidata diff for full list)
    "Changed the item"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.