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(99991) 1981 EY37

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Place asteroid Q28518442
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(99991) 1981 EY37

Summary

(99991) 1981 EY37 is an asteroid[1].

Key Facts

  • (99991) 1981 EY37 is credited with the discovery of Schelte J. Bus[2].
  • (99991) 1981 EY37's instance of is recorded as asteroid[3].
  • (99991) 1981 EY37's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (99991) 1981 EY37's follows is recorded as (99990) 1981 EM35[5].
  • (99991) 1981 EY37's followed by is recorded as (99992) 1981 ER41[6].
  • (99991) 1981 EY37's minor planet group is recorded as asteroid belt[7].
  • (99991) 1981 EY37's parent astronomical body is recorded as Sun[8].
  • (99991) 1981 EY37's provisional designation is recorded as 2001 FU18[9].
  • (99991) 1981 EY37's provisional designation is recorded as 1981 EY37[10].
  • (99991) 1981 EY37's time of discovery or invention is recorded as +1981-03-01T00:00:00Z[11].
  • (99991) 1981 EY37's JPL Small-Body Database SPK-ID is recorded as 20099991[12].
  • (99991) 1981 EY37's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1277560268672192'}[13].
  • (99991) 1981 EY37's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.83'}[14].
  • (99991) 1981 EY37's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.662451337081427'}[15].
  • (99991) 1981 EY37's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1214.48312376378'}[16].
  • (99991) 1981 EY37's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+295.2668880646384'}[17].
  • (99991) 1981 EY37's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.227727357875675'}[18].
  • (99991) 1981 EY37's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.512332954061278'}[19].
  • (99991) 1981 EY37's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.943121761690071'}[20].
  • (99991) 1981 EY37's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+292.482885443526'}[21].
  • (99991) 1981 EY37's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+116.3585473079055'}[22].
  • (99991) 1981 EY37's Google Knowledge Graph ID is recorded as /g/11c5_2p_mj[23].
  • (99991) 1981 EY37's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet99991Provisional1981EY37"][24].
  • (99991) 1981 EY37's Minor Planet Center body ID is recorded as 99991[25].
  • (99991) 1981 EY37's epoch is recorded as November 21, 2025[26].

Body

Designation and Status

(99991) 1981 EY37's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

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

Class ancestry

  1. [1] ↑ . Wikidata. 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). (99991) 1981 EY37. Retrieved May 3, 2026, from https://4ort.xyz/entity/-99991-1981-ey37
MLA “(99991) 1981 EY37.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-99991-1981-ey37.
BibTeX @misc{4ortxyz_-99991-1981-ey37_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(99991) 1981 EY37}}, year = {2026}, url = {https://4ort.xyz/entity/-99991-1981-ey37}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (99991) 1981 EY37 — https://4ort.xyz/entity/-99991-1981-ey37 (retrieved 2026-05-03)

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