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(65640) 1981 DY2

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(65640) 1981 DY2

Summary

(65640) 1981 DY2 is an asteroid[1].

Key Facts

  • (65640) 1981 DY2 is credited with the discovery of Schelte J. Bus[2].
  • (65640) 1981 DY2's instance of is recorded as asteroid[3].
  • (65640) 1981 DY2's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (65640) 1981 DY2's follows is recorded as (65639) 1981 DS2[5].
  • (65640) 1981 DY2's followed by is recorded as (65641) 1981 DR3[6].
  • (65640) 1981 DY2's minor planet group is recorded as asteroid belt[7].
  • (65640) 1981 DY2's parent astronomical body is recorded as Sun[8].
  • (65640) 1981 DY2's provisional designation is recorded as 1999 RW30[9].
  • (65640) 1981 DY2's provisional designation is recorded as 1981 DY2[10].
  • (65640) 1981 DY2's time of discovery or invention is recorded as +1981-02-28T00:00:00Z[11].
  • (65640) 1981 DY2's JPL Small-Body Database SPK-ID is recorded as 20065640[12].
  • (65640) 1981 DY2's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1344492207242072'}[13].
  • (65640) 1981 DY2's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.87'}[14].
  • (65640) 1981 DY2's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.81737422014815'}[15].
  • (65640) 1981 DY2's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1483.465944496362'}[16].
  • (65640) 1981 DY2's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+336.5607827860359'}[17].
  • (65640) 1981 DY2's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.545576204410998'}[18].
  • (65640) 1981 DY2's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.887826941388142'}[19].
  • (65640) 1981 DY2's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.203325467433854'}[20].
  • (65640) 1981 DY2's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+97.66895910563795'}[21].
  • (65640) 1981 DY2's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+0.2569147730501978'}[22].
  • (65640) 1981 DY2's Minor Planet Center body ID is recorded as 65640[23].
  • (65640) 1981 DY2's epoch is recorded as October 17, 2024[24].
  • (65640) 1981 DY2's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460599.441321343'}[25].

Body

Designation and Status

(65640) 1981 DY2'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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . 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). (65640) 1981 DY2. Retrieved May 3, 2026, from https://4ort.xyz/entity/-65640-1981-dy2
MLA “(65640) 1981 DY2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-65640-1981-dy2.
BibTeX @misc{4ortxyz_-65640-1981-dy2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(65640) 1981 DY2}}, year = {2026}, url = {https://4ort.xyz/entity/-65640-1981-dy2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (65640) 1981 DY2 — https://4ort.xyz/entity/-65640-1981-dy2 (retrieved 2026-05-03)

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