21330 Alanwhitman

asteroid
Place asteroid Q5189145
Press Enter · cited answer in seconds

21330 Alanwhitman

Summary

21330 Alanwhitman is an asteroid[1]. It ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2]

Key Facts

  • 21330 Alanwhitman is credited with the discovery of Spacewatch[3].
  • 21330 Alanwhitman's instance of is recorded as asteroid[4].
  • 21330 Alanwhitman's site of astronomical discovery is recorded as Kitt Peak National Observatory[5].
  • 21330 Alanwhitman followed (21329) 1997 AP15[6].
  • 21330 Alanwhitman was followed by Q147705[7].
  • 21330 Alanwhitman's minor planet group is recorded as asteroid belt[8].
  • 21330 Alanwhitman's parent astronomical body is recorded as Sun[9].
  • 21330 Alanwhitman's provisional designation is recorded as 1997 AT20[10].
  • 21330 Alanwhitman's provisional designation is recorded as 1999 RF28[11].
  • 21330 Alanwhitman's time of discovery or invention is recorded as January 11, 1997[12].
  • 21330 Alanwhitman's significant event is recorded as naming[13].
  • 21330 Alanwhitman's orbital eccentricity is recorded as {'amount': '+0.10'}[14].
  • 21330 Alanwhitman's orbital eccentricity is recorded as {'amount': '+0.0974115'}[15].
  • 21330 Alanwhitman's orbital eccentricity is recorded as {'amount': '+0.09601829526725479'}[16].
  • 21330 Alanwhitman's absolute magnitude is recorded as {'amount': '+14.4'}[17].
  • 21330 Alanwhitman's absolute magnitude is recorded as {'amount': '+14.5'}[18].
  • 21330 Alanwhitman's absolute magnitude is recorded as {'amount': '+14.69'}[19].
  • 21330 Alanwhitman's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.31782'}[20].
  • 21330 Alanwhitman's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+4.321405011450051'}[21].
  • 21330 Alanwhitman's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.17'}[22].
  • 21330 Alanwhitman's orbital period is recorded as {'unit': 'Q573', 'amount': '+1526.251462671512'}[23].
  • 21330 Alanwhitman's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+295.46809'}[24].
  • 21330 Alanwhitman's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+295.363897756397'}[25].
  • 21330 Alanwhitman's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5915982'}[26].
  • 21330 Alanwhitman's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.594289537483798'}[27].

Body

Designation and Status

21330 Alanwhitman's instance of is recorded as asteroid[4].

Why It Matters

21330 Alanwhitman ranks in the top 2% of asteroid entities by monthly Wikipedia readership (1 views/month).[2] It has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[28] It is known by 8 alternative names across languages and contexts.[29]

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] . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] . wikidata.org.
  16. [18] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . minorplanetcenter.net. minorplanetcenter.net. 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] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] . Wikidata sitelinks. wikidata.org.
  3. [29] . 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). 21330 Alanwhitman. Retrieved May 3, 2026, from https://4ort.xyz/entity/21330-alanwhitman
MLA “21330 Alanwhitman.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21330-alanwhitman.
BibTeX @misc{4ortxyz_21330-alanwhitman_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21330 Alanwhitman}}, year = {2026}, url = {https://4ort.xyz/entity/21330-alanwhitman}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21330 Alanwhitman — https://4ort.xyz/entity/21330-alanwhitman (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/21330-alanwhitman · 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. 19d ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Orbital inclination {'unit': 'Q28390', 'amount': '+4.31782'}, {'unit': 'Q28390', 'amount': '+4.321405011450051'}
    Minor planet group asteroid belt
    Discoverer or inventor Spacewatch
    Argument of periapsis {'unit': 'Q28390', 'amount': '+57.65626'}, {'unit': 'Q28390', 'amount': '+58.6660064063873'}
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139803237 */ #quickstatements; #temporary_batch_1778879174762"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.