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(21041) 1990 QO1

minor planet
Place asteroid Q4542188
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(21041) 1990 QO1

Summary

(21041) 1990 QO1 is an asteroid[1]. (21041) 1990 QO1 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (21041) 1990 QO1 is credited with the discovery of Henry E. Holt[3].
  • (21041) 1990 QO1's instance of is recorded as asteroid[4].
  • (21041) 1990 QO1's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (21041) 1990 QO1's follows is recorded as (21040) 1990 OZ[6].
  • (21041) 1990 QO1's followed by is recorded as (21042) 1990 QT7[7].
  • (21041) 1990 QO1's minor planet group is recorded as asteroid belt[8].
  • (21041) 1990 QO1's parent astronomical body is recorded as Sun[9].
  • (21041) 1990 QO1's provisional designation is recorded as 1977 AD2[10].
  • (21041) 1990 QO1's provisional designation is recorded as 1990 QO1[11].
  • (21041) 1990 QO1's provisional designation is recorded as 2000 PZ22[12].
  • (21041) 1990 QO1's time of discovery or invention is recorded as +1990-08-22T00:00:00Z[13].
  • (21041) 1990 QO1's Freebase ID is recorded as /m/0h566h5[14].
  • (21041) 1990 QO1's JPL Small-Body Database SPK-ID is recorded as 20021041[15].
  • (21041) 1990 QO1's orbital eccentricity is recorded as {'amount': '+0.05'}[16].
  • (21041) 1990 QO1's orbital eccentricity is recorded as {'amount': '+0.0463325'}[17].
  • (21041) 1990 QO1's orbital eccentricity is recorded as {'amount': '+0.05199057778477596'}[18].
  • (21041) 1990 QO1's absolute magnitude is recorded as {'amount': '+13.0'}[19].
  • (21041) 1990 QO1's absolute magnitude is recorded as {'amount': '+13.11'}[20].
  • (21041) 1990 QO1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.11511'}[21].
  • (21041) 1990 QO1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.11690943165023'}[22].
  • (21041) 1990 QO1's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.2'}[23].
  • (21041) 1990 QO1's orbital period is recorded as {'unit': 'Q573', 'amount': '+1898.36570263015'}[24].
  • (21041) 1990 QO1's rotation period is recorded as {'unit': 'Q25235', 'amount': '+5.077'}[25].
  • (21041) 1990 QO1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+337.13515'}[26].
  • (21041) 1990 QO1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+337.0299839955063'}[27].

Body

Designation and Status

(21041) 1990 QO1's instance of is recorded as asteroid[4].

Why It Matters

(21041) 1990 QO1 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (21041) 1990 QO1 is known by 3 alternative names across languages and contexts.[28]

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . Freebase Data Dumps. wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [28] ↑ . Wikidata aliases. 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). (21041) 1990 QO1. Retrieved May 3, 2026, from https://4ort.xyz/entity/21041-1990-qo1
MLA “(21041) 1990 QO1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21041-1990-qo1.
BibTeX @misc{4ortxyz_21041-1990-qo1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21041) 1990 QO1}}, year = {2026}, url = {https://4ort.xyz/entity/21041-1990-qo1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21041) 1990 QO1 — https://4ort.xyz/entity/21041-1990-qo1 (retrieved 2026-05-03)

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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. 4w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+5.2'}, {'unit': 'Q573', 'amount': '+1898.36570263015'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+261.78777'}, {'unit': 'Q28390', 'amount': '+260.9559269735641'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+209.37591'}, {'unit': 'Q28390', 'amount': '+20.94951524733143'}
    Followed by → —
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.