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(99971) 1981 DF3

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(99971) 1981 DF3

Summary

(99971) 1981 DF3 is an asteroid[1].

Key Facts

  • (99971) 1981 DF3 is credited with the discovery of Schelte J. Bus[2].
  • (99971) 1981 DF3's instance of is recorded as asteroid[3].
  • (99971) 1981 DF3's site of astronomical discovery is recorded as Siding Spring Observatory[4].
  • (99971) 1981 DF3's follows is recorded as (99970) 1981 DB2[5].
  • (99971) 1981 DF3's followed by is recorded as (99972) 1981 EV5[6].
  • (99971) 1981 DF3's minor planet group is recorded as asteroid belt[7].
  • (99971) 1981 DF3's parent astronomical body is recorded as Sun[8].
  • (99971) 1981 DF3's provisional designation is recorded as 1981 DF3[9].
  • (99971) 1981 DF3's time of discovery or invention is recorded as +1981-02-28T00:00:00Z[10].
  • (99971) 1981 DF3's JPL Small-Body Database SPK-ID is recorded as 20099971[11].
  • (99971) 1981 DF3's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2562310347219238'}[12].
  • (99971) 1981 DF3's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.3'}[13].
  • (99971) 1981 DF3's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.20148408500106'}[14].
  • (99971) 1981 DF3's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1708.444728788752'}[15].
  • (99971) 1981 DF3's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+308.2425063155787'}[16].
  • (99971) 1981 DF3's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.796844606606048'}[17].
  • (99971) 1981 DF3's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.513482994113148'}[18].
  • (99971) 1981 DF3's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.080206219098948'}[19].
  • (99971) 1981 DF3's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+300.4459927148025'}[20].
  • (99971) 1981 DF3's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+148.5984035894626'}[21].
  • (99971) 1981 DF3's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.676'}[22].
  • (99971) 1981 DF3's Google Knowledge Graph ID is recorded as /g/11csrfqwlm[23].
  • (99971) 1981 DF3's albedo is recorded as {'unit': '1', 'amount': '+0.089'}[24].
  • (99971) 1981 DF3's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet99971Provisional1981DF3"][25].
  • (99971) 1981 DF3's Minor Planet Center body ID is recorded as 99971[26].

Body

Designation and Status

(99971) 1981 DF3'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). (99971) 1981 DF3. Retrieved May 3, 2026, from https://4ort.xyz/entity/-99971-1981-df3
MLA “(99971) 1981 DF3.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-99971-1981-df3.
BibTeX @misc{4ortxyz_-99971-1981-df3_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(99971) 1981 DF3}}, year = {2026}, url = {https://4ort.xyz/entity/-99971-1981-df3}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (99971) 1981 DF3 — https://4ort.xyz/entity/-99971-1981-df3 (retrieved 2026-05-03)

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