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5500 Twilley

asteroid
Place asteroid Q937775

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
(5499) 1981 SU2[3]
Followed by
(5501) 1982 FF2[4]
Absolute magnitude
+13.6, +13.73[15][16]
Albedo
+0.35[35]
Apoapsis
+2.484, +2.481796783746145[26][27]
Argument of periapsis
+341.24499, +341.1773001819293[30][31]
Diameter
+4.483[34]
Discoverer or inventor
Edward L. G. Bowell[1]
Epoch
November 21, 2025[36]
Longitude of ascending node
+112.51381, +112.4557264096809[22][23]
Mean anomaly
+279.42522, +246.5370343960733[32][33]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.09 (0.09–0.09, n=3)[12][13][14]
Orbital inclination
+4.39726, +4.395950252111134[17][18]
Orbital period
+3.44, +1257.626867699221[19][20]
Parent astronomical body
Sun[6]
Periapsis
+2.0753495, +2.078560990313427[28][29]
Provisional designation
1974 VU2, 1981 WR, 1988 XV[7][8][9]
Rotation period
+2.955[21]
Semi-major axis of an orbit
+2.2796607, +2.280178887029786[24][25]
Significant event
naming[11]
Site of astronomical discovery
Lowell Observatory[2]
Time of discovery or invention
November 24, 1981[10]
Time of periapsis
+2461396.8724278677[37]
🏷️ Also known as
en Twilley en 5500 Twilley de (5500) Twilley fa سیارک ۵۵۰۰ ru Twilley ru 1981 WR ru 1974 VU2 ru 1988 XV ru (5500) 1981 WR uk 5500 Твіллі zh 小行星5500
🔖 Identifiers · 3
Freebase ID
/m/03yhhm9
JPL Small-Body Database SPK-ID
20005500
Minor Planet Center body ID
5500

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 1
Edward L. G. Bowell
Epoch 1
November 21, 2025
Followed by 1
(5501) 1982 FF2
Followed by (predecessor) 1
(5501) 1982 FF2
Follows 1
(5499) 1981 SU2
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
(5499) 1981 SU2
Site of astronomical discovery 1
Lowell Observatory
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Related Entities

Edward L. G. Bowell

References

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

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center 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] ↑ . wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  37. [37] ↑ . 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). 5500 Twilley. Retrieved November 1, 2026, from https://4ort.xyz/entity/5500-twilley
MLA “5500 Twilley.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/5500-twilley.
BibTeX @misc{4ortxyz_5500-twilley_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{5500 Twilley}}, year = {2026}, url = {https://4ort.xyz/entity/5500-twilley}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 5500 Twilley — https://4ort.xyz/entity/5500-twilley (retrieved 2026-11-01)

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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. 7d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → {'unit': 'Q1811', 'amount': '+2.0753495'}, {'unit': 'Q1811', 'amount': '+2.078560990313427'}
    Orbital period → {'unit': 'Q577', 'amount': '+3.44'}, {'unit': 'Q573', 'amount': '+1257.626867699221'}
    Wikipedia languages → ['arz', 'ce', 'en', 'eo', 'es', 'fa', 'fi', 'fr', 'hu', 'hy', 'it', 'kaa', 'la',
    Rotation period → {'unit': 'Q25235', 'amount': '+2.955'}
    + 25 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.