15550 Sydney

asteroid
Thing asteroid Q383502
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15550 Sydney

Summary

15550 Sydney is an asteroid[1]. It has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 15550 Sydney is credited with the discovery of John Broughton[3].
  • 15550 Sydney's instance of is recorded as asteroid[4].
  • 15550 Sydney's site of astronomical discovery is recorded as Reedy Creek Observatory[5].
  • Sydney is named after 15550 Sydney[6].
  • 15550 Sydney followed (15549) 2000 FN[7].
  • 15550 Sydney was followed by 15551 Paddock[8].
  • 15550 Sydney's minor planet group is recorded as asteroid belt[9].
  • 15550 Sydney's parent astronomical body is recorded as Sun[10].
  • 15550 Sydney's provisional designation is recorded as 1999 CM67[11].
  • 15550 Sydney's provisional designation is recorded as 2000 FR10[12].
  • 15550 Sydney's time of discovery or invention is recorded as +2000-03-31T00:00:00Z[13].
  • 15550 Sydney's significant event is recorded as naming[14].
  • 15550 Sydney's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.12'}[15].
  • 15550 Sydney's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1212212'}[16].
  • 15550 Sydney's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1226725578608679'}[17].
  • 15550 Sydney's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.3'}[18].
  • 15550 Sydney's absolute magnitude is recorded as {'unit': '1', 'amount': '+13.34'}[19].
  • 15550 Sydney's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.59085'}[20].
  • 15550 Sydney's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+9.606126182252035'}[21].
  • 15550 Sydney's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.13'}[22].
  • 15550 Sydney's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1871.477292316304'}[23].
  • 15550 Sydney's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+228.07055'}[24].
  • 15550 Sydney's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+227.965604860554'}[25].
  • 15550 Sydney's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.9741460'}[26].
  • 15550 Sydney's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.972058978004907'}[27].

Body

Definition and Type

15550 Sydney's instance of is recorded as asteroid[4].

Origins

Sydney is named after 15550 Sydney[6].

Why It Matters

15550 Sydney has Wikipedia articles in 17 language editions, a strong signal of global cultural recognition.[2]

References

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

Direct Wikidata claims

  1. [4] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . Minor Planet Center database. wikidata.org.
  7. [9] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [27] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikidata sitelinks. 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). 15550 Sydney. Retrieved May 7, 2026, from https://4ort.xyz/entity/15550-sydney
MLA “15550 Sydney.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/15550-sydney.
BibTeX @misc{4ortxyz_15550-sydney_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{15550 Sydney}}, year = {2026}, url = {https://4ort.xyz/entity/15550-sydney}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 15550 Sydney — https://4ort.xyz/entity/15550-sydney (retrieved 2026-05-07)

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