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(21069) 1991 PY3

asteroid
Place asteroid Q1482454
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(21069) 1991 PY3

Summary

(21069) 1991 PY3 is an asteroid[1]. (21069) 1991 PY3 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (21069) 1991 PY3 is credited with the discovery of Eric Walter Elst[3].
  • (21069) 1991 PY3's instance of is recorded as asteroid[4].
  • (21069) 1991 PY3's site of astronomical discovery is recorded as La Silla Observatory[5].
  • (21069) 1991 PY3's follows is recorded as (21068) 1991 PL2[6].
  • (21069) 1991 PY3's followed by is recorded as (21070) 1991 PD6[7].
  • (21069) 1991 PY3's minor planet group is recorded as asteroid belt[8].
  • (21069) 1991 PY3's parent astronomical body is recorded as Sun[9].
  • (21069) 1991 PY3's provisional designation is recorded as 1991 PY3[10].
  • (21069) 1991 PY3's provisional designation is recorded as 1998 EC18[11].
  • (21069) 1991 PY3's provisional designation is recorded as 2000 SA278[12].
  • (21069) 1991 PY3's time of discovery or invention is recorded as +1991-08-03T00:00:00Z[13].
  • (21069) 1991 PY3's JPL Small-Body Database SPK-ID is recorded as 20021069[14].
  • (21069) 1991 PY3's orbital eccentricity is recorded as {'amount': '+0.10'}[15].
  • (21069) 1991 PY3's orbital eccentricity is recorded as {'amount': '+0.1033672'}[16].
  • (21069) 1991 PY3's orbital eccentricity is recorded as {'amount': '+0.1019973627024764'}[17].
  • (21069) 1991 PY3's absolute magnitude is recorded as {'amount': '+14.7'}[18].
  • (21069) 1991 PY3's absolute magnitude is recorded as {'amount': '+14.9'}[19].
  • (21069) 1991 PY3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+0.81635'}[20].
  • (21069) 1991 PY3's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+0.8153318275042434'}[21].
  • (21069) 1991 PY3's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.18'}[22].
  • (21069) 1991 PY3's orbital period is recorded as {'unit': 'Q573', 'amount': '+1526.514129906326'}[23].
  • (21069) 1991 PY3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+293.89282'}[24].
  • (21069) 1991 PY3's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+293.8119762132236'}[25].
  • (21069) 1991 PY3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.5938623'}[26].
  • (21069) 1991 PY3's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.594587179705718'}[27].

Body

Designation and Status

(21069) 1991 PY3's instance of is recorded as asteroid[4].

Why It Matters

(21069) 1991 PY3 is known by 3 alternative names across languages and contexts.[2]

Related Entities

Eric Walter Elst

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] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (21069) 1991 PY3. Retrieved May 3, 2026, from https://4ort.xyz/entity/21069-1991-py3
MLA “(21069) 1991 PY3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/21069-1991-py3.
BibTeX @misc{4ortxyz_21069-1991-py3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21069) 1991 PY3}}, year = {2026}, url = {https://4ort.xyz/entity/21069-1991-py3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21069) 1991 PY3 — https://4ort.xyz/entity/21069-1991-py3 (retrieved 2026-05-03)

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