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(22307) 1990 SU4

asteroid
Place asteroid Q5332411

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
(22306) 1990 SF4[4]
Followed by
(22308) 1990 UO4[5]
Absolute magnitude
14.7, 14.88[15][16]
Albedo
0.043
Apoapsis
2.745 astronomical unit, 2.744409282788711 astronomical unit
Argument of periapsis
327.78655 degree, 327.6687367969083 degree
Diameter
6.71 km
Discoverer or inventor
Antonín Mrkos[2]
Epoch
May 5, 2025
Imported from
wholeness_audit_2026-05-02
Longitude of ascending node
34.48362 degree, 34.45099648341106 degree[22][23]
Mean anomaly
55.52724 degree, 316.1665117272827 degree
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.19 (0.19–0.19, n=3)[12][13][14]
Orbital inclination
4.07953 degree, 4.079583891519113 degree[17][18]
Orbital period
3.49 year, 1,276.646280272082 day[19][20]
Parent astronomical body
Sun[7]
Periapsis
1.8612088 astronomical unit, 1.86181167731436 astronomical unit
Provisional designation
1983 RL9, 1990 SU4, 2000 LY1[8][9][10]
Rotation period
11.453 hour[21]
Semi-major axis of an orbit
2.3030013 astronomical unit, 2.303110480051536 astronomical unit[24]
Site of astronomical discovery
Kleť Observatory[3]
Time of discovery or invention
September 16, 1990[11]
Time of periapsis
2,460,955.944054874 Julian day
🏷️ Also known as
en (22307) 1990 SU4 ru 1983 RL9 ru 1990 SU4 ru 2000 LY1 zh 小行星22307
🔖 Identifiers · 4
Google Knowledge Graph ID
/g/11g2365clb
JPL Small-Body Database SPK-ID
20022307
Minor Planet Center body ID
22307
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet22307Provisional1990SU4"]

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Summary

(22307) 1990 SU4 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (22307) 1990 SU4. Retrieved November 1, 2026, from https://4ort.xyz/entity/-22307-1990-su4
MLA “(22307) 1990 SU4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/-22307-1990-su4.
BibTeX @misc{4ortxyz_-22307-1990-su4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(22307) 1990 SU4}}, year = {2026}, url = {https://4ort.xyz/entity/-22307-1990-su4}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (22307) 1990 SU4 — https://4ort.xyz/entity/-22307-1990-su4 (retrieved 2026-11-01)

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