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(16490) 1990 ST2

main-belt minor planet
Place asteroid Q586835
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(16490) 1990 ST2

Summary

(16490) 1990 ST2 is an asteroid[1]. (16490) 1990 ST2 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (16490) 1990 ST2 is credited with the discovery of Henry E. Holt[3].
  • (16490) 1990 ST2's instance of is recorded as asteroid[4].
  • (16490) 1990 ST2's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (16490) 1990 ST2's follows is recorded as (16489) 1990 SG[6].
  • (16490) 1990 ST2's followed by is recorded as (16491) 1990 SA3[7].
  • (16490) 1990 ST2's minor planet group is recorded as asteroid belt[8].
  • (16490) 1990 ST2's parent astronomical body is recorded as Sun[9].
  • (16490) 1990 ST2's provisional designation is recorded as 1973 UM1[10].
  • (16490) 1990 ST2's provisional designation is recorded as 1990 ST2[11].
  • (16490) 1990 ST2's provisional designation is recorded as 1990 SY28[12].
  • (16490) 1990 ST2's provisional designation is recorded as 1997 WN7[13].
  • (16490) 1990 ST2's time of discovery or invention is recorded as +1990-09-18T00:00:00Z[14].
  • (16490) 1990 ST2's Freebase ID is recorded as /m/0h548dy[15].
  • (16490) 1990 ST2's JPL Small-Body Database SPK-ID is recorded as 20016490[16].
  • (16490) 1990 ST2's orbital eccentricity is recorded as {'amount': '+0.24'}[17].
  • (16490) 1990 ST2's orbital eccentricity is recorded as {'amount': '+0.2352300'}[18].
  • (16490) 1990 ST2's orbital eccentricity is recorded as {'amount': '+0.2353385986160796'}[19].
  • (16490) 1990 ST2's absolute magnitude is recorded as {'amount': '+14.7'}[20].
  • (16490) 1990 ST2's absolute magnitude is recorded as {'amount': '+14.89'}[21].
  • (16490) 1990 ST2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.07246'}[22].
  • (16490) 1990 ST2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+2.070894538718752'}[23].
  • (16490) 1990 ST2's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.42'}[24].
  • (16490) 1990 ST2's orbital period is recorded as {'unit': 'Q573', 'amount': '+1248.791227187409'}[25].
  • (16490) 1990 ST2's rotation period is recorded as {'unit': 'Q25235', 'amount': '+14.77'}[26].
  • (16490) 1990 ST2's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+39.95110'}[27].

Body

Designation and Status

(16490) 1990 ST2's instance of is recorded as asteroid[4].

Why It Matters

(16490) 1990 ST2 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2] (16490) 1990 ST2 is known by 4 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . Freebase Data Dumps. wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  15. [17] ↑ . 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] ↑ . 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). (16490) 1990 ST2. Retrieved May 3, 2026, from https://4ort.xyz/entity/16490-1990-st2
MLA “(16490) 1990 ST2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/16490-1990-st2.
BibTeX @misc{4ortxyz_16490-1990-st2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(16490) 1990 ST2}}, year = {2026}, url = {https://4ort.xyz/entity/16490-1990-st2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (16490) 1990 ST2 — https://4ort.xyz/entity/16490-1990-st2 (retrieved 2026-05-03)

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