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(22308) 1990 UO4

asteroid
Place asteroid Q5332429

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
(22307) 1990 SU4[4]
Followed by
(22309) 1990 VO4[5]
Absolute magnitude
13.9, 14.05[14][15]
Albedo
0.157
Apoapsis
3.169 astronomical unit, 3.170752783380661 astronomical unit[24]
Argument of periapsis
134.41654 degree, 133.7753119300835 degree
Diameter
5.823 km
Discoverer or inventor
Eric Walter Elst[2]
Epoch
May 5, 2025
Imported from
wholeness_audit_2026-05-02
Longitude of ascending node
188.41000 degree, 188.3723340332871 degree[20][21]
Mean anomaly
120.40116 degree, 230.5899805427672 degree
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[11][12][13]
Orbital inclination
12.10188 degree, 12.10808760309351 degree[16][17]
Orbital period
4.62 year, 1,685.617169184355 day[18][19]
Parent astronomical body
Sun[7]
Periapsis
2.3801296 astronomical unit, 2.372997702330235 astronomical unit
Provisional designation
1990 UO4, 1998 KB57[8][9]
Semi-major axis of an orbit
2.7743569 astronomical unit, 2.771875242855448 astronomical unit[22][23]
Site of astronomical discovery
La Silla Observatory[3]
Time of discovery or invention
October 16, 1990[10]
Time of periapsis
2,461,406.4326407267 Julian day
🏷️ Also known as
en (22308) 1990 UO4 ru 1990 UO4 ru 1998 KB57 zh 小行星22308
🔖 Identifiers · 4
Google Knowledge Graph ID
/g/11f7r7pqlq
JPL Small-Body Database SPK-ID
20022308
Minor Planet Center body ID
22308
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet22308Provisional1990UO4"]

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Summary

(22308) 1990 UO4 is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . 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. [4] ↑ . wikidata.org.
  4. [5] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: 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). (22308) 1990 UO4. Retrieved November 1, 2026, from https://4ort.xyz/entity/-22308-1990-uo4
MLA “(22308) 1990 UO4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/-22308-1990-uo4.
BibTeX @misc{4ortxyz_-22308-1990-uo4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(22308) 1990 UO4}}, year = {2026}, url = {https://4ort.xyz/entity/-22308-1990-uo4}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (22308) 1990 UO4 — https://4ort.xyz/entity/-22308-1990-uo4 (retrieved 2026-11-01)

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