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(308635) 2005 YU55

potentially hazardous asteroid
Intangible potentially_hazardous_asteroid Q152485
(308635) 2005 YU55
NASA's Deep Space Network antenna in Goldstone (NASA/JPL-Caltech) · Public Domain · Wikimedia

Facts

23 properties
Instance of
potentially hazardous asteroid, near-Earth object, near-Earth asteroid[3][4]
Absolute magnitude
21.1, 21.91[14][15]
Apoapsis
247654100.0, 1.654871953543018
Apparent magnitude
23.5[13]
Argument of periapsis
273.63, 273.570235624378
Asteroid spectral type
C-type asteroid[10]
Diameter
400.0, 0.4
Discoverer or inventor
Spacewatch[2]
Epoch
November 21, 2025
Longitude of ascending node
35.9, 35.92256110280462[21]
Mean anomaly
16.891, 146.1937967858212
Minor planet group
Apollo asteroid[6]
Orbital eccentricity
0.4306, 0.4304838154749958[11][12]
Orbital inclination
0.3405674, 0.3398267678380976[16][17]
Orbital period
454.4860919052858[18]
Parent astronomical body
Sun[7]
Periapsis
98604000.0, 0.6588514673591802
Provisional designation
2005 YU55[8]
Rotation period
19.0, 18.0[19][20]
Semi-major axis of an orbit
173129100.0, 1.156861710451099
Site of astronomical discovery
Kitt Peak National Observatory[5]
Time of discovery or invention
December 28, 2005[9]
Time of periapsis
2460815.9359795502
🏷️ Also known as
en 2005 YU55 en (308635) 2005 YU55 de 2005 YU55 de 2005 YU₅₅ es 2005 YU55 fa 2005 وای یو55 fa ۲۰۰۵ وای‌یو۵۵ fa ۲۰۰۵ وای یو۵۵ fr 2005 YU55 it 2005 YU55 ja 2005 YU55 pl 2005 YU55 pt 2005 YU55 ru 2005 YU55 sv 2005 YU 55 uk 2005 YU55
🔖 Identifiers · 6
BabelNet ID
02523968n
Bing entity ID
c57fb6f1-7bdb-e425-24dd-9ed54a2cdbbd
Freebase ID
/m/0gmf9fj
JPL Small-Body Database SPK-ID
20308635
Minor Planet Center body ID
308635
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet308635Provisional2005YU55"]

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🔗 Connections
Instance of 3
near-Earth object, near-Earth asteroid, potentially hazardous asteroid
Asteroid spectral type 1
C-type asteroid
Discoverer or inventor 1
Spacewatch
Epoch 1
November 21, 2025
Minor planet group 1
Apollo asteroid
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Kitt Peak National Observatory
← SNARC ID 1
Anna Alma-Tadema
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Summary

(308635) 2005 YU55 is a potentially hazardous asteroid[1].

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (308635) 2005 YU55. Retrieved November 3, 2026, from https://4ort.xyz/entity/308635-2005-yu55
MLA “(308635) 2005 YU55.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/308635-2005-yu55.
BibTeX @misc{4ortxyz_308635-2005-yu55_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(308635) 2005 YU55}}, year = {2026}, url = {https://4ort.xyz/entity/308635-2005-yu55}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (308635) 2005 YU55 — https://4ort.xyz/entity/308635-2005-yu55 (retrieved 2026-11-03)

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