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1999 XG12

asteroid
Thing asteroid Q15189774

Facts

21 properties
Instance of
asteroid
Follows
1999 XO11[3]
Followed by
1999 XE13[4]
Absolute magnitude
+15.92[10]
Apoapsis
+2.491069445320004[15]
Argument of periapsis
+72.65570563598267[17]
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[1]
Epoch
November 21, 2025[19]
Longitude of ascending node
+313.6333382986044[13]
Mean anomaly
+286.2315130493945[18]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1164452759737693[9]
Orbital inclination
+7.507994284209749[11]
Orbital period
+1217.365580656703[12]
Parent astronomical body
Sun[6]
Periapsis
+1.971432208685886[16]
Provisional designation
1999 XG12[7]
Semi-major axis of an orbit
+2.231250827002945[14]
Site of astronomical discovery
Experimental Test Site[2]
Time of discovery or invention
December 5, 1999[8]
Time of periapsis
+2461249.953380419[20]
🏷️ Also known as
ru 1999 XG12 zh 小行星75264
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20075264
Minor Planet Center body ID
75264

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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.

📑 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). 1999 XG12. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15189774
MLA “1999 XG12.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15189774.
BibTeX @misc{4ortxyz_q15189774_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XG12}}, year = {2026}, url = {https://4ort.xyz/entity/q15189774}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XG12 — https://4ort.xyz/entity/q15189774 (retrieved 2026-10-29)

Canonical URL: https://4ort.xyz/entity/q15189774 · Last refreshed:

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. 21w ago · LiMrBot bot · 2026-06-05 view diff on Wikidata ↗
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.491069445320004'}
    Provisional designation → 1999 XG12
    JPL Small-Body Database SPK-ID → 20075264
    Orbital eccentricity → {'amount': '+0.1164452759737693'}
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Orbital eccentricity: 0.1166975584810211±0.0000000016107"
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