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(74385) 1998 XH21

near-Earth asteroid
Place asteroid Q5940344
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(74385) 1998 XH21

Summary

(74385) 1998 XH21 is an asteroid[1]. (74385) 1998 XH21 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (74385) 1998 XH21 is credited with the discovery of Spacewatch[3].
  • (74385) 1998 XH21's instance of is recorded as asteroid[4].
  • (74385) 1998 XH21's site of astronomical discovery is recorded as Kitt Peak National Observatory[5].
  • (74385) 1998 XH21's follows is recorded as (74384) 1998 XQ20[6].
  • (74385) 1998 XH21's followed by is recorded as (74386) 1998 XG22[7].
  • (74385) 1998 XH21's minor planet group is recorded as asteroid belt[8].
  • (74385) 1998 XH21's parent astronomical body is recorded as Sun[9].
  • (74385) 1998 XH21's provisional designation is recorded as 1998 XH21[10].
  • (74385) 1998 XH21's provisional designation is recorded as 2000 GW59[11].
  • (74385) 1998 XH21's provisional designation is recorded as 2002 RY188[12].
  • (74385) 1998 XH21's time of discovery or invention is recorded as +1998-12-10T00:00:00Z[13].
  • (74385) 1998 XH21's JPL Small-Body Database SPK-ID is recorded as 20074385[14].
  • (74385) 1998 XH21's orbital eccentricity is recorded as {'amount': '+0.09760106844211822'}[15].
  • (74385) 1998 XH21's absolute magnitude is recorded as {'amount': '+15.08'}[16].
  • (74385) 1998 XH21's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+1.65226904197642'}[17].
  • (74385) 1998 XH21's orbital period is recorded as {'unit': 'Q573', 'amount': '+1910.05001428017'}[18].
  • (74385) 1998 XH21's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+129.657131959629'}[19].
  • (74385) 1998 XH21's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.012757722197667'}[20].
  • (74385) 1998 XH21's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.306806094841402'}[21].
  • (74385) 1998 XH21's periapsis is recorded as {'unit': 'Q1811', 'amount': '+2.718709349553933'}[22].
  • (74385) 1998 XH21's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+327.7780876310254'}[23].
  • (74385) 1998 XH21's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+62.79866236669766'}[24].
  • (74385) 1998 XH21's diameter is recorded as {'unit': 'Q828224', 'amount': '+5.798'}[25].
  • (74385) 1998 XH21's Google Knowledge Graph ID is recorded as /g/1214mj10[26].
  • (74385) 1998 XH21's albedo is recorded as {'amount': '+0.053'}[27].

Body

Designation and Status

(74385) 1998 XH21's instance of is recorded as asteroid[4].

Why It Matters

(74385) 1998 XH21 is known by 3 alternative names across languages and contexts.[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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . 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). (74385) 1998 XH21. Retrieved May 3, 2026, from https://4ort.xyz/entity/74385-1998-xh21
MLA “(74385) 1998 XH21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/74385-1998-xh21.
BibTeX @misc{4ortxyz_74385-1998-xh21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74385) 1998 XH21}}, year = {2026}, url = {https://4ort.xyz/entity/74385-1998-xh21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74385) 1998 XH21 — https://4ort.xyz/entity/74385-1998-xh21 (retrieved 2026-05-03)

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