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(70021) 1999 AB

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(70021) 1999 AB

Summary

(70021) 1999 AB is an asteroid[1].

Key Facts

  • (70021) 1999 AB is credited with the discovery of Takao Kobayashi[2].
  • (70021) 1999 AB's instance of is recorded as asteroid[3].
  • (70021) 1999 AB's site of astronomical discovery is recorded as Ōizumi Observatory[4].
  • (70021) 1999 AB's follows is recorded as (70020) 1998 YR29[5].
  • (70021) 1999 AB's followed by is recorded as (70022) 1999 AF7[6].
  • (70021) 1999 AB's minor planet group is recorded as asteroid belt[7].
  • (70021) 1999 AB's parent astronomical body is recorded as Sun[8].
  • (70021) 1999 AB's provisional designation is recorded as 1999 AB[9].
  • (70021) 1999 AB's time of discovery or invention is recorded as +1999-01-03T00:00:00Z[10].
  • (70021) 1999 AB's JPL Small-Body Database SPK-ID is recorded as 20070021[11].
  • (70021) 1999 AB's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.06364115306751351'}[12].
  • (70021) 1999 AB's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.94'}[13].
  • (70021) 1999 AB's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+21.30417048184913'}[14].
  • (70021) 1999 AB's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2079.961568371385'}[15].
  • (70021) 1999 AB's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+292.1176449574068'}[16].
  • (70021) 1999 AB's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.188878132982501'}[17].
  • (70021) 1999 AB's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.391822014357288'}[18].
  • (70021) 1999 AB's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.985934251607715'}[19].
  • (70021) 1999 AB's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+155.0091804626185'}[20].
  • (70021) 1999 AB's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+181.7557244407705'}[21].
  • (70021) 1999 AB's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+10.881'}[22].
  • (70021) 1999 AB's albedo is recorded as {'unit': '1', 'amount': '+0.061'}[23].
  • (70021) 1999 AB's Minor Planet Center body ID is recorded as 70021[24].
  • (70021) 1999 AB's epoch is recorded as October 17, 2024[25].
  • (70021) 1999 AB's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461630.3367859595'}[26].

Body

Designation and Status

(70021) 1999 AB'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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (70021) 1999 AB. Retrieved May 3, 2026, from https://4ort.xyz/entity/-70021-1999-ab
MLA “(70021) 1999 AB.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-70021-1999-ab.
BibTeX @misc{4ortxyz_-70021-1999-ab_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70021) 1999 AB}}, year = {2026}, url = {https://4ort.xyz/entity/-70021-1999-ab}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70021) 1999 AB — https://4ort.xyz/entity/-70021-1999-ab (retrieved 2026-05-03)

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