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(56045) 1998 XD21

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(56045) 1998 XD21

Summary

(56045) 1998 XD21 is an asteroid[1].

Key Facts

  • (56045) 1998 XD21 is credited with the discovery of Spacewatch[2].
  • (56045) 1998 XD21's instance of is recorded as asteroid[3].
  • (56045) 1998 XD21's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (56045) 1998 XD21's follows is recorded as (56044) 1998 XU17[5].
  • (56045) 1998 XD21's followed by is recorded as (56046) 1998 XC26[6].
  • (56045) 1998 XD21's minor planet group is recorded as asteroid belt[7].
  • (56045) 1998 XD21's parent astronomical body is recorded as Sun[8].
  • (56045) 1998 XD21's provisional designation is recorded as 2000 LH9[9].
  • (56045) 1998 XD21's provisional designation is recorded as 1998 XD21[10].
  • (56045) 1998 XD21's time of discovery or invention is recorded as +1998-12-10T00:00:00Z[11].
  • (56045) 1998 XD21's JPL Small-Body Database SPK-ID is recorded as 20056045[12].
  • (56045) 1998 XD21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1197610680933304'}[13].
  • (56045) 1998 XD21's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.85'}[14].
  • (56045) 1998 XD21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.29585002101717'}[15].
  • (56045) 1998 XD21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1172.762974603594'}[16].
  • (56045) 1998 XD21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+117.0299511940748'}[17].
  • (56045) 1998 XD21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.176412507169583'}[18].
  • (56045) 1998 XD21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.437061993639896'}[19].
  • (56045) 1998 XD21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.915763020699271'}[20].
  • (56045) 1998 XD21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+177.6814462350266'}[21].
  • (56045) 1998 XD21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+308.7384035028571'}[22].
  • (56045) 1998 XD21's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+3.02'}[23].
  • (56045) 1998 XD21's albedo is recorded as {'unit': '1', 'amount': '+0.245'}[24].
  • (56045) 1998 XD21's Minor Planet Center body ID is recorded as 56045[25].
  • (56045) 1998 XD21's epoch is recorded as November 21, 2025[26].

Body

Designation and Status

(56045) 1998 XD21'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 . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . 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). (56045) 1998 XD21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-56045-1998-xd21
MLA “(56045) 1998 XD21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-56045-1998-xd21.
BibTeX @misc{4ortxyz_-56045-1998-xd21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(56045) 1998 XD21}}, year = {2026}, url = {https://4ort.xyz/entity/-56045-1998-xd21}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (56045) 1998 XD21 — https://4ort.xyz/entity/-56045-1998-xd21 (retrieved 2026-05-03)

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