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1999 XY59

asteroid
Thing asteroid Q15191889

Facts

21 properties
Instance of
asteroid
Follows
2001 EV6[3]
Followed by
1999 RM255[4]
Absolute magnitude
+16.1[11]
Apoapsis
+2.632808847510675[16]
Argument of periapsis
+229.4176254310691[18]
Discoverer or inventor
Lowell Observatory Near-Earth-Object Search[1]
Epoch
June 9, 2026[20]
Longitude of ascending node
+77.89585357371426[14]
Mean anomaly
+225.2331697519699[19]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1157515686863304[10]
Orbital inclination
+4.575751452725783[12]
Orbital period
+1323.9639526566[13]
Parent astronomical body
Sun[6]
Periapsis
+2.08653714563098[17]
Provisional designation
2001 EF7, 1999 XY59[7][8]
Semi-major axis of an orbit
+2.359672996570828[15]
Site of astronomical discovery
Anderson Mesa Station[2]
Time of discovery or invention
March 2, 2001[9]
Time of periapsis
+2461696.1289590616[21]
🏷️ Also known as
ru 1999 XY59 ru 2001 EF7 zh 小行星77148
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20077148
Minor Planet Center body ID
77148

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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.

📑 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 XY59. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15191889
MLA “1999 XY59.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15191889.
BibTeX @misc{4ortxyz_q15191889_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XY59}}, year = {2026}, url = {https://4ort.xyz/entity/q15191889}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XY59 — https://4ort.xyz/entity/q15191889 (retrieved 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. 21w ago · LiMrBot bot · 2026-06-07 view diff on Wikidata ↗
    Absolute magnitude → {'amount': '+16.1'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.632808847510675'}
    Parent astronomical body → Sun
    Orbital eccentricity → {'amount': '+0.1157515686863304'}
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Orbital eccentricity: 0.1149292769195869±0.0000000012985"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.