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2373 Immo

asteroid
Thing Asteroid Q148826

Facts

27 properties
Instance of
asteroid
Follows
2372 Proskurin[4]
Followed by
2374 Vladvysotskij[5]
Absolute magnitude
+12.4, +12.48[17][18]
Albedo
+0.236[37]
Apoapsis
+3.277, +3.278575583848282[28][29]
Argument of periapsis
+216.23577, +215.8712001575271[32][33]
Asteroid spectral type
S-type asteroid[12]
Diameter
+8.664[36]
Discoverer or inventor
Max Wolf[1]
Epoch
November 21, 2025[38]
Longitude of ascending node
+146.35216, +146.2589514786953[24][25]
Mean anomaly
+36.47667, +183.0831273897317[34][35]
Minor planet group
asteroid belt[6]
Named after
Immo Appenzeller[3]
Orbital eccentricity
0.17 (0.17–0.17, n=3)[14][15][16]
Orbital inclination
+10.07885, +10.08252757140325[19][20]
Orbital period
+4.68, +1705.25154150463[21][22]
Parent astronomical body
Sun[7]
Periapsis
+2.3157370, +2.30814149238915[30][31]
Provisional designation
1929 PC, 1929 PO, 1971 OJ[8][9][10]
Rotation period
+9.44[23]
Semi-major axis of an orbit
+2.7961454, +2.793358538118716[26][27]
Significant event
naming[13]
Show all 27 facts +3
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[2]
Time of discovery or invention
August 4, 1929[11]
Time of periapsis
+2461838.5215826025
🏷️ Also known as
en Immo de (2373) Immo el 2373 Ίμμο fa سیارک ۲۳۷۳ ru (2373) Иммо ru Иммо ru 1971 OJ ru 1929 PC ru 1929 PO ru (2373) 1929 PC uk 2373 Іммо zh 小行星2373
🔖 Identifiers · 3
Freebase ID
/m/03y46pq
JPL Small-Body Database SPK-ID
20002373
Minor Planet Center body ID
2373

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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] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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] ↑ . 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). 2373 Immo. Retrieved November 8, 2026, from https://4ort.xyz/entity/2373-immo
MLA “2373 Immo.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/2373-immo.
BibTeX @misc{4ortxyz_2373-immo_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2373 Immo}}, year = {2026}, url = {https://4ort.xyz/entity/2373-immo}, note = {Accessed: 2026-11-08}}
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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. 13d ago · AbzalM · 2026-10-30 view diff on Wikidata ↗
    Asteroid spectral type → S-type asteroid
    Epoch → November 21, 2025
    Rotation period → 9.44 hour
    Semi-major axis of an orbit → 2.796145 astronomical unit, 2.793359 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.