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(16540) 1991 PO16

main-belt minor planet
Place asteroid Q711180
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(16540) 1991 PO16

Summary

(16540) 1991 PO16 is an asteroid[1]. (16540) 1991 PO16 has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • (16540) 1991 PO16 is credited with the discovery of Henry E. Holt[3].
  • (16540) 1991 PO16's instance of is recorded as asteroid[4].
  • (16540) 1991 PO16's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (16540) 1991 PO16's follows is recorded as (16539) 1991 PY12[6].
  • (16540) 1991 PO16's followed by is recorded as (16541) 1991 PW18[7].
  • (16540) 1991 PO16's minor planet group is recorded as asteroid belt[8].
  • (16540) 1991 PO16's parent astronomical body is recorded as Sun[9].
  • (16540) 1991 PO16's provisional designation is recorded as 1991 PO16[10].
  • (16540) 1991 PO16's provisional designation is recorded as 1999 JT74[11].
  • (16540) 1991 PO16's time of discovery or invention is recorded as +1991-08-07T00:00:00Z[12].
  • (16540) 1991 PO16's Freebase ID is recorded as /m/0h531zk[13].
  • (16540) 1991 PO16's JPL Small-Body Database SPK-ID is recorded as 20016540[14].
  • (16540) 1991 PO16's orbital eccentricity is recorded as {'amount': '+0.16'}[15].
  • (16540) 1991 PO16's orbital eccentricity is recorded as {'amount': '+0.1598650'}[16].
  • (16540) 1991 PO16's orbital eccentricity is recorded as {'amount': '+0.1624285143997244'}[17].
  • (16540) 1991 PO16's absolute magnitude is recorded as {'amount': '+13.6'}[18].
  • (16540) 1991 PO16's absolute magnitude is recorded as {'amount': '+13.67'}[19].
  • (16540) 1991 PO16's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.30930'}[20].
  • (16540) 1991 PO16's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+13.30957584352967'}[21].
  • (16540) 1991 PO16's orbital period is recorded as {'unit': 'Q577', 'amount': '+4.37'}[22].
  • (16540) 1991 PO16's orbital period is recorded as {'unit': 'Q573', 'amount': '+1595.980933687233'}[23].
  • (16540) 1991 PO16's rotation period is recorded as {'unit': 'Q25235', 'amount': '+6.83735'}[24].
  • (16540) 1991 PO16's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+162.21139'}[25].
  • (16540) 1991 PO16's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+162.1567033418781'}[26].
  • (16540) 1991 PO16's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.6746540'}[27].

Body

Designation and Status

(16540) 1991 PO16's instance of is recorded as asteroid[4].

Why It Matters

(16540) 1991 PO16 has Wikipedia articles in 5 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. [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] ↑ . Freebase Data Dumps. wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . wikidata.org.
  14. [16] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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.

📑 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). (16540) 1991 PO16. Retrieved May 3, 2026, from https://4ort.xyz/entity/16540-1991-po16
MLA “(16540) 1991 PO16.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/16540-1991-po16.
BibTeX @misc{4ortxyz_16540-1991-po16_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(16540) 1991 PO16}}, year = {2026}, url = {https://4ort.xyz/entity/16540-1991-po16}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (16540) 1991 PO16 — https://4ort.xyz/entity/16540-1991-po16 (retrieved 2026-05-03)

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