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(69990) 1998 WU31

trans-Neptunian object
Place asteroid Q1943310
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(69990) 1998 WU31

Summary

(69990) 1998 WU31 is an asteroid[1]. (69990) 1998 WU31 has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (69990) 1998 WU31 is credited with the discovery of Marc Buie[3].
  • (69990) 1998 WU31's instance of is recorded as asteroid[4].
  • (69990) 1998 WU31's instance of is recorded as trans-Neptunian object[5].
  • (69990) 1998 WU31's site of astronomical discovery is recorded as Kitt Peak National Observatory[6].
  • (69990) 1998 WU31's follows is recorded as (69989) 1998 WK31[7].
  • (69990) 1998 WU31's followed by is recorded as (69991) 1998 WP32[8].
  • (69990) 1998 WU31's minor planet group is recorded as trans-Neptunian object[9].
  • (69990) 1998 WU31's parent astronomical body is recorded as Sun[10].
  • (69990) 1998 WU31's provisional designation is recorded as 1998 WU31[11].
  • (69990) 1998 WU31's time of discovery or invention is recorded as +1998-11-18T00:00:00Z[12].
  • (69990) 1998 WU31's JPL Small-Body Database SPK-ID is recorded as 20069990[13].
  • (69990) 1998 WU31's orbital eccentricity is recorded as {'amount': '+0.191'}[14].
  • (69990) 1998 WU31's orbital eccentricity is recorded as {'amount': '+0.1886119761086844'}[15].
  • (69990) 1998 WU31's absolute magnitude is recorded as {'amount': '+8.3'}[16].
  • (69990) 1998 WU31's absolute magnitude is recorded as {'amount': '+8.18'}[17].
  • (69990) 1998 WU31's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+6.6'}[18].
  • (69990) 1998 WU31's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+6.565579451992558'}[19].
  • (69990) 1998 WU31's orbital period is recorded as {'unit': 'Q573', 'amount': '+90764.85604363774'}[20].
  • (69990) 1998 WU31's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+237.1'}[21].
  • (69990) 1998 WU31's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+237.0611841158889'}[22].
  • (69990) 1998 WU31's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+39.52569643671486'}[23].
  • (69990) 1998 WU31's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+46.98071614871564'}[24].
  • (69990) 1998 WU31's periapsis is recorded as {'unit': 'Q1811', 'amount': '+32.07067672471408'}[25].
  • (69990) 1998 WU31's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+142.5'}[26].
  • (69990) 1998 WU31's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+143.69868334344'}[27].

Body

Designation and Status

Recorded instance of include asteroid[4] and trans-Neptunian object[5].

Why It Matters

(69990) 1998 WU31 has Wikipedia articles in 7 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. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . 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 . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . 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). (69990) 1998 WU31. Retrieved May 3, 2026, from https://4ort.xyz/entity/69990-1998-wu31
MLA “(69990) 1998 WU31.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/69990-1998-wu31.
BibTeX @misc{4ortxyz_69990-1998-wu31_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(69990) 1998 WU31}}, year = {2026}, url = {https://4ort.xyz/entity/69990-1998-wu31}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (69990) 1998 WU31 — https://4ort.xyz/entity/69990-1998-wu31 (retrieved 2026-05-03)

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