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(473021) 2015 HC57

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(473021) 2015 HC57

Summary

(473021) 2015 HC57 is an asteroid[1].

Key Facts

  • (473021) 2015 HC57 is credited with the discovery of Spacewatch[2].
  • (473021) 2015 HC57's instance of is recorded as asteroid[3].
  • (473021) 2015 HC57's site of astronomical discovery is recorded as Kitt Peak National Observatory[4].
  • (473021) 2015 HC57's minor planet group is recorded as asteroid belt[5].
  • (473021) 2015 HC57's parent astronomical body is recorded as Sun[6].
  • (473021) 2015 HC57's provisional designation is recorded as 2015 HC57[7].
  • (473021) 2015 HC57's provisional designation is recorded as 2008 CJ217[8].
  • (473021) 2015 HC57's provisional designation is recorded as 2005 NR37[9].
  • (473021) 2015 HC57's time of discovery or invention is recorded as +2005-07-06T00:00:00Z[10].
  • (473021) 2015 HC57's JPL Small-Body Database SPK-ID is recorded as 20473021[11].
  • (473021) 2015 HC57's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1217193562655667'}[12].
  • (473021) 2015 HC57's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.59'}[13].
  • (473021) 2015 HC57's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+4.967175641872865'}[14].
  • (473021) 2015 HC57's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2023.11353411357'}[15].
  • (473021) 2015 HC57's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+280.9322754361747'}[16].
  • (473021) 2015 HC57's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.130506085494954'}[17].
  • (473021) 2015 HC57's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.511549271006839'}[18].
  • (473021) 2015 HC57's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.74946289998307'}[19].
  • (473021) 2015 HC57's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+81.24270741419465'}[20].
  • (473021) 2015 HC57's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+201.2226657806047'}[21].
  • (473021) 2015 HC57's Google Knowledge Graph ID is recorded as /g/11c1wr5_57[22].
  • (473021) 2015 HC57's Minor Planet Center body ID is recorded as 473021[23].
  • (473021) 2015 HC57's epoch is recorded as November 21, 2025[24].
  • (473021) 2015 HC57's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461892.790482694'}[25].

Body

Designation and Status

(473021) 2015 HC57'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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (473021) 2015 HC57. Retrieved May 3, 2026, from https://4ort.xyz/entity/-473021-2015-hc57
MLA “(473021) 2015 HC57.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-473021-2015-hc57.
BibTeX @misc{4ortxyz_-473021-2015-hc57_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(473021) 2015 HC57}}, year = {2026}, url = {https://4ort.xyz/entity/-473021-2015-hc57}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (473021) 2015 HC57 — https://4ort.xyz/entity/-473021-2015-hc57 (retrieved 2026-05-03)

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