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1979 YM9

asteroid
Thing Asteroid Q15189434

Facts

23 properties
Instance of
asteroid
Follows
1999 XJ126[3]
Followed by
1999 XT126[4]
Absolute magnitude
+13.84[11]
Albedo
+0.108[21]
Apoapsis
+2.980984252409963[16]
Argument of periapsis
+273.6317810496787[18]
Diameter
+9.434[20]
Discoverer or inventor
Catalina Sky Survey[1]
Epoch
November 21, 2025[22]
Longitude of ascending node
+30.91493182334666[14]
Mean anomaly
+242.8756778938469[19]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1712830928364281[10]
Orbital inclination
+9.057113664960438[12]
Orbital period
+1483.013614383388[13]
Parent astronomical body
Sun[6]
Periapsis
+2.109133193392293[17]
Provisional designation
1999 XK126, 1979 YM9[7][8]
Semi-major axis of an orbit
+2.545058722901128[15]
Site of astronomical discovery
Catalina Station[2]
Time of discovery or invention
December 7, 1999[9]
Time of periapsis
+2461482.991567386[23]
🏷️ Also known as
ru 1979 YM9 ru 1999 XK126 zh 小行星75433
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20075433
Minor Planet Center body ID
75433

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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . 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. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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). 1979 YM9. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15189434
MLA “1979 YM9.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15189434.
BibTeX @misc{4ortxyz_q15189434_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1979 YM9}}, year = {2026}, url = {https://4ort.xyz/entity/q15189434}, note = {Accessed: 2026-10-29}}
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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. 23w ago · LiMrBot bot · 2026-06-04 view diff on Wikidata ↗
    Apoapsis → 2.980984 astronomical unit
    Provisional designation → 1999 XK126, 1979 YM9
    JPL Small-Body Database SPK-ID → 20075433
    Periapsis → 2.109133 astronomical unit
    + 22 other properties edited (see Wikidata diff for full list)
    "Removed claim: Absolute magnitude: 13.87"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.