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(5550) 1981 UB1

main-belt minor planet
Place asteroid Q709250
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(5550) 1981 UB1

Summary

(5550) 1981 UB1 is an asteroid[1]. (5550) 1981 UB1 has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (5550) 1981 UB1 is credited with the discovery of Laurence G. Taff[3].
  • (5550) 1981 UB1's instance of is recorded as asteroid[4].
  • (5550) 1981 UB1's site of astronomical discovery is recorded as Experimental Test Site[5].
  • (5550) 1981 UB1's follows is recorded as 5549 Bobstefanik[6].
  • (5550) 1981 UB1's followed by is recorded as 5551 Glikson[7].
  • (5550) 1981 UB1's minor planet group is recorded as asteroid belt[8].
  • (5550) 1981 UB1's parent astronomical body is recorded as Sun[9].
  • (5550) 1981 UB1's provisional designation is recorded as 1981 UB1[10].
  • (5550) 1981 UB1's provisional designation is recorded as 1975 RQ2[11].
  • (5550) 1981 UB1's provisional designation is recorded as 1977 AM[12].
  • (5550) 1981 UB1's provisional designation is recorded as 1981 SP5[13].
  • (5550) 1981 UB1's provisional designation is recorded as 1983 CP2[14].
  • (5550) 1981 UB1's provisional designation is recorded as 1986 WD8[15].
  • (5550) 1981 UB1's time of discovery or invention is recorded as +1981-10-30T00:00:00Z[16].
  • (5550) 1981 UB1's Freebase ID is recorded as /m/0b749lj[17].
  • (5550) 1981 UB1's JPL Small-Body Database SPK-ID is recorded as 20005550[18].
  • (5550) 1981 UB1's orbital eccentricity is recorded as {'amount': '+0.1796308'}[19].
  • (5550) 1981 UB1's orbital eccentricity is recorded as {'amount': '+0.1818878084217454'}[20].
  • (5550) 1981 UB1's absolute magnitude is recorded as {'amount': '+12.2'}[21].
  • (5550) 1981 UB1's absolute magnitude is recorded as {'amount': '+12.35'}[22].
  • (5550) 1981 UB1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.11417'}[23].
  • (5550) 1981 UB1's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.114695851914165'}[24].
  • (5550) 1981 UB1's orbital period is recorded as {'unit': 'Q577', 'amount': '+5.43'}[25].
  • (5550) 1981 UB1's orbital period is recorded as {'unit': 'Q573', 'amount': '+1982.839743138492'}[26].
  • (5550) 1981 UB1's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+145.77040'}[27].

Body

Designation and Status

(5550) 1981 UB1's instance of is recorded as asteroid[4].

Why It Matters

(5550) 1981 UB1 has Wikipedia articles in 8 language editions, a strong signal of global cultural recognition.[2] (5550) 1981 UB1 is known by 7 alternative names across languages and contexts.[28]

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

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [28] ↑ . Wikidata aliases. 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). (5550) 1981 UB1. Retrieved May 3, 2026, from https://4ort.xyz/entity/5550-1981-ub1
MLA “(5550) 1981 UB1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/5550-1981-ub1.
BibTeX @misc{4ortxyz_5550-1981-ub1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(5550) 1981 UB1}}, year = {2026}, url = {https://4ort.xyz/entity/5550-1981-ub1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (5550) 1981 UB1 — https://4ort.xyz/entity/5550-1981-ub1 (retrieved 2026-05-03)

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