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(17471) 1991 EO2

minor planet
Place asteroid Q4541889

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
17470 Mitsuhashi[3]
Followed by
17472 Dinah[4]
Absolute magnitude
+14.4, +14.59[13][14]
Albedo
+0.251[32]
Apoapsis
+2.799, +2.793968321223015[23][24]
Argument of periapsis
+219.58374, +220.315726289199[27][28]
Diameter
+3.831[31]
Discoverer or inventor
Henri Debehogne[1]
Epoch
November 21, 2025[33]
Longitude of ascending node
+316.40662, +316.0512400183882[19][20]
Mean anomaly
+59.49799, +72.55321274322469[29][30]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1572659, +0.154677958071012[11][12]
Orbital inclination
+1.71944, +1.715891363793613[15][16]
Orbital period
+3.76, +1374.799387711734[17][18]
Parent astronomical body
Sun[6]
Periapsis
+2.0382562, +2.045421400722621[25][26]
Provisional designation
1991 EO2, 1992 OY1, 1997 WT42[7][8][9]
Semi-major axis of an orbit
+2.4186231, +2.419694860972818[21][22]
Site of astronomical discovery
La Silla Observatory[2]
Time of discovery or invention
March 11, 1991[10]
Time of periapsis
+2460723.4274654[34]
🏷️ Also known as
en (17471) 1991 EO2 ru 1991 EO2 ru 1992 OY1 ru 1997 WT42 zh 小行星17471
🔖 Identifiers · 4
Freebase ID
/m/0h1hmsn
JPL Small-Body Database SPK-ID
20017471
Minor Planet Center body ID
17471
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet17471Provisional1991EO2"]

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

🔗 Connections
Discoverer or inventor 1
Henri Debehogne
Epoch 1
November 21, 2025
Followed by 1
17472 Dinah
Followed by (predecessor) 1
17472 Dinah
Follows 1
17470 Mitsuhashi
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
17470 Mitsuhashi
Site of astronomical discovery 1
La Silla 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.

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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). (17471) 1991 EO2. Retrieved November 2, 2026, from https://4ort.xyz/entity/17471-1991-eo2
MLA “(17471) 1991 EO2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/17471-1991-eo2.
BibTeX @misc{4ortxyz_17471-1991-eo2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(17471) 1991 EO2}}, year = {2026}, url = {https://4ort.xyz/entity/17471-1991-eo2}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (17471) 1991 EO2 — https://4ort.xyz/entity/17471-1991-eo2 (retrieved 2026-11-02)

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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. 26w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+3.76'}, {'unit': 'Q573', 'amount': '+1374.799387711734'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+219.58374'}, {'unit': 'Q28390', 'amount': '+220.315726289199'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+59.49799'}, {'unit': 'Q28390', 'amount': '+72.55321274322469'}
    Followed by → —
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.