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9387 Tweedledee

asteroid
Place asteroid Q1190568

Facts

26 properties

Identity

Instance of
asteroid
More facts +25
Follows
9386 Hitomi[5]
Followed by
9388 Takeno[6]
Absolute magnitude
14 (13.8–14, n=3)[18][19][20]
Albedo
+0.225[39]
Apoapsis
+2.112, +2.111350230131785[30][31]
Argument of periapsis
+56.22043, +56.3904258318629[34][35]
Diameter
+4.56[38]
Discoverer or inventor
Hitoshi Shiozawa, Takeshi Urata[1][2]
Epoch
November 21, 2025[40]
Longitude of ascending node
+332.97697, +332.9336881098666[26][27]
Mean anomaly
+217.30058, +13.29316375823854[36][37]
Minor planet group
asteroid belt, inner asteroid belt[7][8]
Named after
Tweedledee[4]
Orbital eccentricity
0.09 (0.09–0.09, n=3)[15][16][17]
Orbital inclination
+21.65625, +21.65617134256582[21][22]
Orbital period
+2.7, +986.0624964229183[23][24]
Parent astronomical body
Sun[9]
Periapsis
+1.7663409, +1.766288447475177[32][33]
Provisional designation
1986 EM, 1987 QQ1, 1994 CA[10][11][12]
Rotation period
+3.534[25]
Semi-major axis of an orbit
+1.9391322, +1.938819338803481[28][29]
Significant event
naming[14]
Site of astronomical discovery
Fujieda[3]
Time of discovery or invention
February 2, 1994[13]
Time of periapsis
+2460964.0891937753[41]
🏷️ Also known as
en 1994 CA en 9387 Tweedledee en Tweedledee de (9387) Tweedledee fa سیارک 9387 fa سیارک ۹۳۸۷ ru 1987 QQ1 ru 1986 EM ru 1994 CA ru (9387) 1994 CA ru Tweedledee uk 9387 Tweedledee uk 9387 Твідліді zh 小行星9387
🔖 Identifiers · 3
Freebase ID
/m/03yhhl9
JPL Small-Body Database SPK-ID
20009387
Minor Planet Center body ID
9387

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

🔗 Connections
Discoverer or inventor 2
Takeshi Urata, Hitoshi Shiozawa
Epoch 1
November 21, 2025
Followed by 1
9388 Takeno
Followed by (predecessor) 1
9388 Takeno
Follows 1
9386 Hitomi
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
9386 Hitomi
Site of astronomical discovery 1
Fujieda
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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] ↑ . Minor Planet Center 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] ↑ . Minor Planet Center database. wikidata.org.
  6. [6] ↑ . Minor Planet Center database. wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  39. [39] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  40. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  41. [41] ↑ . 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). 9387 Tweedledee. Retrieved November 5, 2026, from https://4ort.xyz/entity/9387-tweedledee
MLA “9387 Tweedledee.” 4ort.xyz Knowledge Graph, 4ort.xyz, 5 Nov. 2026, https://4ort.xyz/entity/9387-tweedledee.
BibTeX @misc{4ortxyz_9387-tweedledee_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{9387 Tweedledee}}, year = {2026}, url = {https://4ort.xyz/entity/9387-tweedledee}, note = {Accessed: 2026-11-05}}
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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. 3d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Sitelink count → 24
    Wikipedia languages → ['arz', 'ce', 'de', 'en', 'eo', 'es', 'fa', 'fi', 'fr', 'hu', 'hy', 'it', 'kaa',
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
  2. 15w ago · Dirac · 2026-07-20 view diff on Wikidata ↗
    Image → —
    "/* wbcreateclaim-create:1| */ Image: Tennieldumdee.jpg, [[:toollabs:quickstatements/#/batch/261337|batch #261337]]"
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