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(55554) 2001 XY257

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(55554) 2001 XY257

Summary

(55554) 2001 XY257 is an asteroid[1].

Key Facts

  • (55554) 2001 XY257 is credited with the discovery of Near-Earth Asteroid Tracking[2].
  • (55554) 2001 XY257's instance of is recorded as asteroid[3].
  • (55554) 2001 XY257's site of astronomical discovery is recorded as Palomar Observatory[4].
  • (55554) 2001 XY257's follows is recorded as (55553) 2001 XE257[5].
  • (55554) 2001 XY257's followed by is recorded as 55555 DNA[6].
  • (55554) 2001 XY257's minor planet group is recorded as asteroid belt[7].
  • (55554) 2001 XY257's parent astronomical body is recorded as Sun[8].
  • (55554) 2001 XY257's provisional designation is recorded as 2001 XY257[9].
  • (55554) 2001 XY257's time of discovery or invention is recorded as +2001-12-07T00:00:00Z[10].
  • (55554) 2001 XY257's JPL Small-Body Database SPK-ID is recorded as 20055554[11].
  • (55554) 2001 XY257's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1596354417587838'}[12].
  • (55554) 2001 XY257's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.45'}[13].
  • (55554) 2001 XY257's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+12.10631638265086'}[14].
  • (55554) 2001 XY257's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1558.890864764139'}[15].
  • (55554) 2001 XY257's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+298.1758537161669'}[16].
  • (55554) 2001 XY257's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.63114545117042'}[17].
  • (55554) 2001 XY257's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.051169517599625'}[18].
  • (55554) 2001 XY257's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.211121384741216'}[19].
  • (55554) 2001 XY257's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+345.7980987802588'}[20].
  • (55554) 2001 XY257's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+326.41297760788'}[21].
  • (55554) 2001 XY257's Minor Planet Center body ID is recorded as 55554[22].
  • (55554) 2001 XY257's epoch is recorded as November 21, 2025[23].
  • (55554) 2001 XY257's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2461145.9402843937'}[24].

Body

Designation and Status

(55554) 2001 XY257'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] ↑ . 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.

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). (55554) 2001 XY257. Retrieved May 3, 2026, from https://4ort.xyz/entity/-55554-2001-xy257
MLA “(55554) 2001 XY257.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-55554-2001-xy257.
BibTeX @misc{4ortxyz_-55554-2001-xy257_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(55554) 2001 XY257}}, year = {2026}, url = {https://4ort.xyz/entity/-55554-2001-xy257}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (55554) 2001 XY257 — https://4ort.xyz/entity/-55554-2001-xy257 (retrieved 2026-05-03)

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