Home › Entities › asteroid › (18646) 1998 ED21

(18646) 1998 ED21

asteroid
Place asteroid Q22345473
Press Enter · cited answer in seconds

(18646) 1998 ED21

Summary

(18646) 1998 ED21 is an asteroid[1].

Key Facts

  • (18646) 1998 ED21 is credited with the discovery of Eric Walter Elst[2].
  • (18646) 1998 ED21's instance of is recorded as asteroid[3].
  • (18646) 1998 ED21's site of astronomical discovery is recorded as La Silla Observatory[4].
  • (18646) 1998 ED21's follows is recorded as (18645) 1998 EM19[5].
  • (18646) 1998 ED21's followed by is recorded as 18647 Václavhübner[6].
  • (18646) 1998 ED21's minor planet group is recorded as asteroid belt[7].
  • (18646) 1998 ED21's parent astronomical body is recorded as Sun[8].
  • (18646) 1998 ED21's provisional designation is recorded as 1998 ED21[9].
  • (18646) 1998 ED21's provisional designation is recorded as 1996 RS2[10].
  • (18646) 1998 ED21's provisional designation is recorded as 1987 DD3[11].
  • (18646) 1998 ED21's time of discovery or invention is recorded as +1998-03-03T00:00:00Z[12].
  • (18646) 1998 ED21's JPL Small-Body Database SPK-ID is recorded as 20018646[13].
  • (18646) 1998 ED21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.11'}[14].
  • (18646) 1998 ED21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1067020'}[15].
  • (18646) 1998 ED21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.105144314760403'}[16].
  • (18646) 1998 ED21's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.7'}[17].
  • (18646) 1998 ED21's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.93'}[18].
  • (18646) 1998 ED21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.88569'}[19].
  • (18646) 1998 ED21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+8.88939608383143'}[20].
  • (18646) 1998 ED21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+3.63'}[21].
  • (18646) 1998 ED21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1326.462427849808'}[22].
  • (18646) 1998 ED21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.30401'}[23].
  • (18646) 1998 ED21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+157.2625675877314'}[24].
  • (18646) 1998 ED21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3623824'}[25].
  • (18646) 1998 ED21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.362640716707111'}[26].

Body

Designation and Status

(18646) 1998 ED21'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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (18646) 1998 ED21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-18646-1998-ed21
MLA “(18646) 1998 ED21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-18646-1998-ed21.
BibTeX @misc{4ortxyz_-18646-1998-ed21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(18646) 1998 ED21}}, year = {2026}, url = {https://4ort.xyz/entity/-18646-1998-ed21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (18646) 1998 ED21 — https://4ort.xyz/entity/-18646-1998-ed21 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-18646-1998-ed21 · Last refreshed: