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(52297) 1991 CH2

asteroid
Place asteroid Q13550770
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(52297) 1991 CH2

Summary

(52297) 1991 CH2 is an asteroid[1]. (52297) 1991 CH2 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (52297) 1991 CH2 is credited with the discovery of Robert H. McNaught[3].
  • (52297) 1991 CH2's instance of is recorded as asteroid[4].
  • (52297) 1991 CH2's site of astronomical discovery is recorded as Siding Spring Observatory[5].
  • (52297) 1991 CH2 followed (52296) 1990 WM3[6].
  • (52297) 1991 CH2 was followed by (52298) 1991 GM7[7].
  • (52297) 1991 CH2's minor planet group is recorded as Mars-crossing asteroid[8].
  • (52297) 1991 CH2's parent astronomical body is recorded as Sun[9].
  • (52297) 1991 CH2's provisional designation is recorded as 1991 CH2[10].
  • (52297) 1991 CH2's provisional designation is recorded as 1999 CW10[11].
  • (52297) 1991 CH2's provisional designation is recorded as 2000 SZ271[12].
  • (52297) 1991 CH2's time of discovery or invention is recorded as February 12, 1991[13].
  • (52297) 1991 CH2's orbital eccentricity is recorded as {'amount': '+0.3609734708449769'}[14].
  • (52297) 1991 CH2's absolute magnitude is recorded as {'amount': '+14.61'}[15].
  • (52297) 1991 CH2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+27.8778232803044'}[16].
  • (52297) 1991 CH2's orbital period is recorded as {'unit': 'Q573', 'amount': '+1512.856680001608'}[17].
  • (52297) 1991 CH2's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+315.2512454178992'}[18].
  • (52297) 1991 CH2's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.579088471877714'}[19].
  • (52297) 1991 CH2's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.51007098918768'}[20].
  • (52297) 1991 CH2's periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.648105954567748'}[21].
  • (52297) 1991 CH2's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+284.6418434181124'}[22].
  • (52297) 1991 CH2's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+107.0317936518083'}[23].
  • (52297) 1991 CH2's epoch is recorded as November 21, 2025[24].
  • (52297) 1991 CH2's time of periapsis is recorded as {'unit': 'Q14267', 'amount': '+2460550.7117666705'}[25].

Body

Designation and Status

(52297) 1991 CH2's instance of is recorded as asteroid[4].

Why It Matters

(52297) 1991 CH2 is known by 3 alternative names across languages and contexts.[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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . 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 aliases. 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). (52297) 1991 CH2. Retrieved May 3, 2026, from https://4ort.xyz/entity/52297-1991-ch2
MLA “(52297) 1991 CH2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/52297-1991-ch2.
BibTeX @misc{4ortxyz_52297-1991-ch2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(52297) 1991 CH2}}, year = {2026}, url = {https://4ort.xyz/entity/52297-1991-ch2}, note = {Accessed: 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. 28d ago · Peter James · 2026-05-15 view diff on Wikidata ↗
    Orbital inclination → {'unit': 'Q28390', 'amount': '+27.8778232803044'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+107.0317936518083'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460550.7117666705'}
    Minor planet group → Mars-crossing asteroid
    + 19 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q139782959 */ #quickstatements; #temporary_batch_1778887664546"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.