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2378 Pannekoek

asteroid
Thing Asteroid Q148840

Facts

27 properties
Instance of
asteroid
Follows
2377 Shcheglov[4]
Followed by
2379 Heiskanen[5]
Absolute magnitude
+11.0, +11.15[26][27]
Albedo
+0.057[46]
Apoapsis
+3.301, +3.294404344035567[37][38]
Argument of periapsis
+265.15249, +267.1708141722443[41][42]
Asteroid spectral type
C-type asteroid[21]
Diameter
+40.373[45]
Discoverer or inventor
Hendrik van Gent[1]
Epoch
November 21, 2025[47]
Longitude of ascending node
+181.16300, +180.8089555030338[33][34]
Mean anomaly
+26.31261, +225.931282660495[43][44]
Minor planet group
asteroid belt[6]
Named after
Anton Pannekoek[3]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[23][24][25]
Orbital inclination
+14.24677, +14.27655298357447[28][29]
Orbital period
+4.91, +1795.289938094754[30][31]
Parent astronomical body
Sun[7]
Periapsis
+2.4761753, +2.48727642777935[39][40]
Provisional designation
1935 CY, 1935 EP, 1938 UD1, 1960 HD, 1967 RB1, 1970 GP1, 1970 JG, 1972 RH3, 1975 JH, 1977 RR5, 1977 XJ, A918 RE[8][9][10][11][12][13][14][15][16][17][18][19]
Rotation period
+11.874[32]
Semi-major axis of an orbit
+2.8887228, +2.890840385907459[35][36]
Significant event
naming[22]
Show all 27 facts +3
Site of astronomical discovery
Leiden Southern Station[2]
Time of discovery or invention
February 13, 1935[20]
Time of periapsis
+2461669.089497925
🏷️ Also known as
en Pannekoek de (2378) Pannekoek el 2378 Πάνεκεκ fa سیارک ۲۳۷۸ ru 1960 HD ru 1967 RB1 ru 1970 JG ru 1972 RH3 ru 1975 JH ru 1977 RR5 ru 1977 XJ ru (2378) 1935 CY ru A918 RE ru 1970 GP1 ru 1935 CY ru 1935 EP ru 1938 UD1 uk 2378 Паннекук zh 小行星2378
🔖 Identifiers · 3
Freebase ID
/m/03y7xj3
JPL Small-Body Database SPK-ID
20002378
Minor Planet Center body ID
2378

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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] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . wikidata.org.
  23. [23] ↑ . wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  36. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  37. [37] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  38. [38] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  39. [39] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  40. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  41. [41] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  42. [42] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  43. [43] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  44. [44] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  45. [45] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  46. [46] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  47. [47] ↑ . 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). 2378 Pannekoek. Retrieved November 9, 2026, from https://4ort.xyz/entity/2378-pannekoek
MLA “2378 Pannekoek.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/2378-pannekoek.
BibTeX @misc{4ortxyz_2378-pannekoek_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2378 Pannekoek}}, year = {2026}, url = {https://4ort.xyz/entity/2378-pannekoek}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2378 Pannekoek — https://4ort.xyz/entity/2378-pannekoek (retrieved 2026-11-09)

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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. 12d ago · AbzalM · 2026-10-30 view diff on Wikidata ↗
    Asteroid spectral type → C-type asteroid
    Epoch → November 21, 2025
    Rotation period → 11.874 hour
    Semi-major axis of an orbit → 2.888723 astronomical unit, 2.89084 astronomical unit
    + 27 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.