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(19166) 1991 EY1

minor planet
Place asteroid Q4542074
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(19166) 1991 EY1

Summary

(19166) 1991 EY1 is an asteroid[1]. (19166) 1991 EY1 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (19166) 1991 EY1 is credited with the discovery of Henri Debehogne[3].
  • (19166) 1991 EY1's instance of is recorded as asteroid[4].
  • (19166) 1991 EY1's site of astronomical discovery is recorded as La Silla Observatory[5].
  • (19166) 1991 EY1's follows is recorded as 19165 Nariyuki[6].
  • (19166) 1991 EY1's followed by is recorded as (19167) 1991 ED2[7].
  • (19166) 1991 EY1's minor planet group is recorded as asteroid belt[8].
  • (19166) 1991 EY1's parent astronomical body is recorded as Sun[9].
  • (19166) 1991 EY1's provisional designation is recorded as 1991 DJ2[10].
  • (19166) 1991 EY1's provisional designation is recorded as 1991 EY1[11].
  • (19166) 1991 EY1's provisional designation is recorded as 1998 BA25[12].
  • (19166) 1991 EY1's time of discovery or invention is recorded as +1991-03-07T00:00:00Z[13].
  • (19166) 1991 EY1's Freebase ID is recorded as /m/0h1hbr8[14].
  • (19166) 1991 EY1's JPL Small-Body Database SPK-ID is recorded as 20019166[15].
  • (19166) 1991 EY1's orbital eccentricity is recorded as {'amount': '+0.14'}[16].
  • (19166) 1991 EY1's orbital eccentricity is recorded as {'amount': '+0.1383815'}[17].
  • (19166) 1991 EY1's orbital eccentricity is recorded as {'amount': '+0.138455915421576'}[18].
  • (19166) 1991 EY1's absolute magnitude is recorded as {'amount': '+14.7'}[19].
  • (19166) 1991 EY1's absolute magnitude is recorded as {'amount': '+14.8'}[20].
  • (19166) 1991 EY1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.05112'}[21].
  • (19166) 1991 EY1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.05375799963762'}[22].
  • (19166) 1991 EY1's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.51'}[23].
  • (19166) 1991 EY1's orbital period is recorded as {'unit': 'Q573', 'amount': '+1283.904348639971'}[24].
  • (19166) 1991 EY1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+318.13960'}[25].
  • (19166) 1991 EY1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+318.0680497214584'}[26].
  • (19166) 1991 EY1's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.3107342'}[27].

Body

Designation and Status

(19166) 1991 EY1's instance of is recorded as asteroid[4].

Why It Matters

(19166) 1991 EY1 is known by 3 alternative names across languages and contexts.[2]

References

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

Direct Wikidata claims

  1. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (19166) 1991 EY1. Retrieved May 3, 2026, from https://4ort.xyz/entity/19166-1991-ey1
MLA “(19166) 1991 EY1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/19166-1991-ey1.
BibTeX @misc{4ortxyz_19166-1991-ey1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(19166) 1991 EY1}}, year = {2026}, url = {https://4ort.xyz/entity/19166-1991-ey1}, note = {Accessed: 2026-05-03}}
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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. 4w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+3.51'}, {'unit': 'Q573', 'amount': '+1283.904348639971'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+246.02322'}, {'unit': 'Q28390', 'amount': '+245.4703922467019'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+323.56542'}, {'unit': 'Q28390', 'amount': '+277.5742211710245'}
    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.