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6221 Ducentesima

asteroid
Place asteroid Q554912

Facts

26 properties
Instance of
asteroid
Follows
6220 Stepanmakarov[4]
Followed by
(6222) 1980 PB3[5]
Absolute magnitude
+12.9, +13.06[16][17]
Albedo
+0.064[36]
Apoapsis
+3.493, +3.514716211113293[27][28]
Argument of periapsis
+67.59611, +70.09471689298023[31][32]
Diameter
+13.205[35]
Discoverer or inventor
Antonín Mrkos[1]
Epoch
November 21, 2025[37]
Longitude of ascending node
+146.54677, +146.5332788598159[23][24]
Mean anomaly
+307.63590, +2.726668977214143[33][34]
Minor planet group
asteroid belt[6]
Named after
200[3]
Orbital eccentricity
0.11 (0.1–0.11, n=3)[13][14][15]
Orbital inclination
+1.79899, +1.808973188031086[18][19]
Orbital period
+5.66, +2060.69824373714[20][21]
Parent astronomical body
Sun[7]
Periapsis
+2.8610202, +2.823601117319122[29][30]
Provisional designation
1980 EP1, 1980 GO, 1988 VW6[8][9][10]
Rotation period
+13.788[22]
Semi-major axis of an orbit
+3.1770112, +3.169158664216208[25][26]
Significant event
naming[12]
Site of astronomical discovery
Kleť Observatory[2]
Show all 26 facts +2
Time of discovery or invention
April 13, 1980[11]
Time of periapsis
+2460984.8921056315[38]
🏷️ Also known as
en 6221 Ducentesima en Ducentesima de (6221) Ducentesima fa سیارک ۶۲۲۱ ru (6221) Ducentesima ru (6221) Дуцентесима ru Ducentesima ru Дуцентесима ru (6221) 1980 GO ru 1980 EP1 ru 1980 GO ru 1988 VW6 uk 6221 Дусентезіма zh 小行星6221
🔖 Identifiers · 3
Freebase ID
/m/03y1hfn
JPL Small-Body Database SPK-ID
20006221
Minor Planet Center body ID
6221

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🔗 Connections
Discoverer or inventor 1
Antonín Mrkos
Epoch 1
November 21, 2025
Followed by 1
(6222) 1980 PB3
Followed by (predecessor) 1
(6222) 1980 PB3
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
200
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Kleť Observatory
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References

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

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center 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] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  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.

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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). 6221 Ducentesima. Retrieved November 4, 2026, from https://4ort.xyz/entity/6221-ducentesima
MLA “6221 Ducentesima.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/6221-ducentesima.
BibTeX @misc{4ortxyz_6221-ducentesima_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{6221 Ducentesima}}, year = {2026}, url = {https://4ort.xyz/entity/6221-ducentesima}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 6221 Ducentesima — https://4ort.xyz/entity/6221-ducentesima (retrieved 2026-11-04)

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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. 4d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → {'unit': 'Q1811', 'amount': '+2.8610202'}, {'unit': 'Q1811', 'amount': '+2.823601117319122'}
    Orbital period → {'unit': 'Q577', 'amount': '+5.66'}, {'unit': 'Q573', 'amount': '+2060.69824373714'}
    Wikipedia languages → ['arz', 'ce', 'en', 'eo', 'es', 'fa', 'fr', 'hu', 'hy', 'it', 'kaa', 'la', 'pl',
    Rotation period → {'unit': 'Q25235', 'amount': '+13.788'}
    + 27 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.