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(23973) 1999 CA4

minor planet
Place asteroid Q4542430
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(23973) 1999 CA4

Summary

(23973) 1999 CA4 is an asteroid[1]. (23973) 1999 CA4 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (23973) 1999 CA4 is credited with the discovery of Beijing Schmidt CCD Asteroid Program[3].
  • (23973) 1999 CA4's instance of is recorded as asteroid[4].
  • (23973) 1999 CA4's site of astronomical discovery is recorded as Xinglong Station[5].
  • (23973) 1999 CA4's follows is recorded as (23972) 1999 AA[6].
  • (23973) 1999 CA4's followed by is recorded as (23974) 1999 CK12[7].
  • (23973) 1999 CA4's minor planet group is recorded as asteroid belt[8].
  • (23973) 1999 CA4's parent astronomical body is recorded as Sun[9].
  • (23973) 1999 CA4's provisional designation is recorded as 1991 UG[10].
  • (23973) 1999 CA4's provisional designation is recorded as 1999 CA4[11].
  • (23973) 1999 CA4's time of discovery or invention is recorded as +1999-02-05T00:00:00Z[12].
  • (23973) 1999 CA4's Freebase ID is recorded as /m/0h98n5h[13].
  • (23973) 1999 CA4's JPL Small-Body Database SPK-ID is recorded as 20023973[14].
  • (23973) 1999 CA4's orbital eccentricity is recorded as {'amount': '+0.010'}[15].
  • (23973) 1999 CA4's orbital eccentricity is recorded as {'amount': '+0.1000278'}[16].
  • (23973) 1999 CA4's orbital eccentricity is recorded as {'amount': '+0.1052025205915205'}[17].
  • (23973) 1999 CA4's absolute magnitude is recorded as {'amount': '+12.6'}[18].
  • (23973) 1999 CA4's absolute magnitude is recorded as {'amount': '+12.81'}[19].
  • (23973) 1999 CA4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.13403'}[20].
  • (23973) 1999 CA4's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+10.12883441293959'}[21].
  • (23973) 1999 CA4's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.24'}[22].
  • (23973) 1999 CA4's orbital period is recorded as {'unit': 'Q573', 'amount': '+1910.855538576289'}[23].
  • (23973) 1999 CA4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+16.57867'}[24].
  • (23973) 1999 CA4's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+16.47031145800759'}[25].
  • (23973) 1999 CA4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.0182876'}[26].
  • (23973) 1999 CA4's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.013604708394675'}[27].

Body

Designation and Status

(23973) 1999 CA4's instance of is recorded as asteroid[4].

Why It Matters

(23973) 1999 CA4 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

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] ↑ . 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 sitelinks. 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). (23973) 1999 CA4. Retrieved May 3, 2026, from https://4ort.xyz/entity/23973-1999-ca4
MLA “(23973) 1999 CA4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/23973-1999-ca4.
BibTeX @misc{4ortxyz_23973-1999-ca4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(23973) 1999 CA4}}, year = {2026}, url = {https://4ort.xyz/entity/23973-1999-ca4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (23973) 1999 CA4 — https://4ort.xyz/entity/23973-1999-ca4 (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q577', 'amount': '+5.24'}, {'unit': 'Q573', 'amount': '+1910.855538576289'}
    Argument of periapsis → {'unit': 'Q28390', 'amount': '+284.08078'}, {'unit': 'Q28390', 'amount': '+283.3583805604823'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+165.83255'}, {'unit': 'Q28390', 'amount': '+257.9238450456526'}
    Followed by → —
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.