Home › Entities › asteroid › (16831) 1997 WM21

(16831) 1997 WM21

asteroid
Place asteroid Q20478641
Press Enter · cited answer in seconds

(16831) 1997 WM21

Summary

(16831) 1997 WM21 is an asteroid[1].

Key Facts

  • (16831) 1997 WM21 is credited with the discovery of Takao Kobayashi[2].
  • (16831) 1997 WM21's instance of is recorded as asteroid[3].
  • (16831) 1997 WM21's site of astronomical discovery is recorded as Ōizumi Observatory[4].
  • (16831) 1997 WM21's follows is recorded as (16830) 1997 WQ7[5].
  • (16831) 1997 WM21's followed by is recorded as (16832) 1997 WR21[6].
  • (16831) 1997 WM21's minor planet group is recorded as asteroid belt[7].
  • (16831) 1997 WM21's parent astronomical body is recorded as Sun[8].
  • (16831) 1997 WM21's provisional designation is recorded as 1997 WM21[9].
  • (16831) 1997 WM21's provisional designation is recorded as 1992 JU1[10].
  • (16831) 1997 WM21's provisional designation is recorded as 1990 VP1[11].
  • (16831) 1997 WM21's time of discovery or invention is recorded as +1997-11-30T00:00:00Z[12].
  • (16831) 1997 WM21's JPL Small-Body Database SPK-ID is recorded as 20016831[13].
  • (16831) 1997 WM21's orbital eccentricity is recorded as {'amount': '+0.15'}[14].
  • (16831) 1997 WM21's orbital eccentricity is recorded as {'amount': '+0.1463952'}[15].
  • (16831) 1997 WM21's orbital eccentricity is recorded as {'amount': '+0.1470294935990991'}[16].
  • (16831) 1997 WM21's absolute magnitude is recorded as {'amount': '+14.0'}[17].
  • (16831) 1997 WM21's absolute magnitude is recorded as {'amount': '+14.04'}[18].
  • (16831) 1997 WM21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.64805'}[19].
  • (16831) 1997 WM21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+5.645904568041547'}[20].
  • (16831) 1997 WM21's orbital period is recorded as {'unit': 'Q577', 'amount': '+3.36'}[21].
  • (16831) 1997 WM21's orbital period is recorded as {'unit': 'Q573', 'amount': '+1227.57001512239'}[22].
  • (16831) 1997 WM21's rotation period is recorded as {'unit': 'Q25235', 'amount': '+8.1072'}[23].
  • (16831) 1997 WM21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+232.45835'}[24].
  • (16831) 1997 WM21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+232.3920354219849'}[25].
  • (16831) 1997 WM21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.2445567'}[26].

Body

Designation and Status

(16831) 1997 WM21's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [14] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . 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). (16831) 1997 WM21. Retrieved May 3, 2026, from https://4ort.xyz/entity/16831-1997-wm21
MLA “(16831) 1997 WM21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/16831-1997-wm21.
BibTeX @misc{4ortxyz_16831-1997-wm21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(16831) 1997 WM21}}, year = {2026}, url = {https://4ort.xyz/entity/16831-1997-wm21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (16831) 1997 WM21 — https://4ort.xyz/entity/16831-1997-wm21 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/16831-1997-wm21 · Last refreshed: