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(12038) 1997 CE20

asteroid
Asteroid Q19624784

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
(12037) 1997 CT19[3]
Followed by
(12039) 1997 CB22[4]
Absolute magnitude
14.0, 14.24[13][14]
Albedo
0.134[32]
Apoapsis
2.923 au, 2.923062544489182 au[23][24]
Argument of periapsis
255.83087°, 256.3756368865944°[27][28]
Diameter
4.804 km[31]
Discoverer or inventor
Takao Kobayashi[1]
Epoch
May 5, 2025[33]
Longitude of ascending node
103.93656°, 103.8454351914742°[19][20]
Mean anomaly
205.54718°, 109.1220118314811°[29][30]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[10][11][12]
Orbital inclination
5.39218°, 5.39915957190977°[15][16]
Orbital period
4.11 year, 1,499.003021777072 day[17][18]
Parent astronomical body
Sun[6]
Periapsis
2.2056674 au, 2.20357621488541 au[25][26]
Provisional designation
1997 CE20, 1995 WH43[7][8]
Semi-major axis of an orbit
2.5642157 au, 2.563319379687296 au[21][22]
Site of astronomical discovery
Ōizumi Observatory[2]
Time of discovery or invention
February 12, 1997[9]
Time of periapsis
2,460,346.1271514506 Julian day[34]
🏷️ Also known as
en (12038) 1997 CE20 sv 1997 CE20 zh 小行星12038
🔖 Identifiers · 4
Freebase ID
/m/0j_f563
JPL Small-Body Database SPK-ID
20012038
Minor Planet Center body ID
12038
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet12038Provisional1997CE20"]

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🔗 Connections
Discoverer or inventor 1
Takao Kobayashi
Epoch 1
May 5, 2025
Followed by 1
(12039) 1997 CB22
Followed by (predecessor) 1
(12039) 1997 CB22
Follows 1
(12037) 1997 CT19
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(12037) 1997 CT19
Site of astronomical discovery 1
Ōizumi Observatory
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References

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

Direct Wikidata claims

  1. [1] ↑ . JPL Small-Body 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] ↑ . wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  11. [11] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (12038) 1997 CE20. Retrieved November 10, 2026, from https://4ort.xyz/entity/12038-1997-ce20
MLA “(12038) 1997 CE20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/12038-1997-ce20.
BibTeX @misc{4ortxyz_12038-1997-ce20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(12038) 1997 CE20}}, year = {2026}, url = {https://4ort.xyz/entity/12038-1997-ce20}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (12038) 1997 CE20 — https://4ort.xyz/entity/12038-1997-ce20 (retrieved 2026-11-10)

Canonical URL: https://4ort.xyz/entity/12038-1997-ce20 · 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. 14d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → 2.205667 astronomical unit, 2.203576 astronomical unit
    Orbital period → 4.11 year, 1,499.003022 day
    Instance of → asteroid
    Discoverer or inventor → Takao Kobayashi
    + 17 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.