(100843) 1998 HH21

asteroid
Place asteroid Q63081609
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(100843) 1998 HH21

Summary

(100843) 1998 HH21 is an asteroid[1].

Key Facts

  • (100843) 1998 HH21 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (100843) 1998 HH21's instance of is recorded as asteroid[3].
  • (100843) 1998 HH21's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (100843) 1998 HH21's follows is recorded as (100842) 1998 HX19[5].
  • (100843) 1998 HH21's followed by is recorded as (100844) 1998 HH23[6].
  • (100843) 1998 HH21's minor planet group is recorded as asteroid belt[7].
  • (100843) 1998 HH21's parent astronomical body is recorded as Sun[8].
  • (100843) 1998 HH21's provisional designation is recorded as 1998 HH21[9].
  • (100843) 1998 HH21's time of discovery or invention is recorded as +1998-04-20T00:00:00Z[10].
  • (100843) 1998 HH21's JPL Small-Body Database SPK-ID is recorded as 20100843[11].
  • (100843) 1998 HH21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1570918653836073'}[12].
  • (100843) 1998 HH21's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.8'}[13].
  • (100843) 1998 HH21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+1.476945569909109'}[14].
  • (100843) 1998 HH21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1336.306233963097'}[15].
  • (100843) 1998 HH21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+59.50744680364935'}[16].
  • (100843) 1998 HH21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.374315230429782'}[17].
  • (100843) 1998 HH21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.747300838986706'}[18].
  • (100843) 1998 HH21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.001329621872858'}[19].
  • (100843) 1998 HH21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+153.699631175761'}[20].
  • (100843) 1998 HH21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+180.6043465210942'}[21].
  • (100843) 1998 HH21's Google Knowledge Graph ID is recorded as /g/11fngxwqc9[22].
  • (100843) 1998 HH21's Minor Planet Center body ID is recorded as 100843[23].
  • (100843) 1998 HH21's epoch is recorded as November 21, 2025[24].
  • (100843) 1998 HH21's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461666.409805805'}[25].

Body

Designation and Status

(100843) 1998 HH21'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 . wikidata.org.
  11. [12] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] . 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). (100843) 1998 HH21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-100843-1998-hh21
MLA “(100843) 1998 HH21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-100843-1998-hh21.
BibTeX @misc{4ortxyz_-100843-1998-hh21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(100843) 1998 HH21}}, year = {2026}, url = {https://4ort.xyz/entity/-100843-1998-hh21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (100843) 1998 HH21 — https://4ort.xyz/entity/-100843-1998-hh21 (retrieved 2026-05-03)

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