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(99969) 1981 DY1

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Place asteroid Q28518296
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(99969) 1981 DY1

Summary

(99969) 1981 DY1 is an asteroid[1].

Key Facts

  • (99969) 1981 DY1 is credited with the discovery of Schelte J. Bus[2].
  • (99969) 1981 DY1's instance of is recorded as asteroid[3].
  • (99969) 1981 DY1's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (99969) 1981 DY1's follows is recorded as (99968) 1979 QQ2[5].
  • (99969) 1981 DY1's followed by is recorded as (99970) 1981 DB2[6].
  • (99969) 1981 DY1's minor planet group is recorded as outer asteroid belt[7].
  • (99969) 1981 DY1's parent astronomical body is recorded as Sun[8].
  • (99969) 1981 DY1's provisional designation is recorded as 1981 DY1[9].
  • (99969) 1981 DY1's time of discovery or invention is recorded as +1981-02-28T00:00:00Z[10].
  • (99969) 1981 DY1's JPL Small-Body Database SPK-ID is recorded as 20099969[11].
  • (99969) 1981 DY1's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1696019354333499'}[12].
  • (99969) 1981 DY1's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.67'}[13].
  • (99969) 1981 DY1's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.29232558171895'}[14].
  • (99969) 1981 DY1's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2119.823841974655'}[15].
  • (99969) 1981 DY1's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+325.7883346668772'}[16].
  • (99969) 1981 DY1's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.22949212869914'}[17].
  • (99969) 1981 DY1's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.777220244193284'}[18].
  • (99969) 1981 DY1's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.681764013204996'}[19].
  • (99969) 1981 DY1's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+291.9572428601382'}[20].
  • (99969) 1981 DY1's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+227.627761213079'}[21].
  • (99969) 1981 DY1's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+7.708'}[22].
  • (99969) 1981 DY1's Google Knowledge Graph ID is recorded as /g/11csqxs70s[23].
  • (99969) 1981 DY1's albedo is recorded as {'unit': '1', 'amount': '+0.052'}[24].
  • (99969) 1981 DY1's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet99969Provisional1981DY1"][25].
  • (99969) 1981 DY1's Minor Planet Center body ID is recorded as 99969[26].

Body

Designation and Status

(99969) 1981 DY1'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 . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . wikidata.org.
  25. [26] ↑ . 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). (99969) 1981 DY1. Retrieved May 3, 2026, from https://4ort.xyz/entity/-99969-1981-dy1
MLA “(99969) 1981 DY1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-99969-1981-dy1.
BibTeX @misc{4ortxyz_-99969-1981-dy1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(99969) 1981 DY1}}, year = {2026}, url = {https://4ort.xyz/entity/-99969-1981-dy1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (99969) 1981 DY1 — https://4ort.xyz/entity/-99969-1981-dy1 (retrieved 2026-05-03)

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