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(455407) 2003 ER

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(455407) 2003 ER

Summary

(455407) 2003 ER is an asteroid[1].

Key Facts

  • (455407) 2003 ER is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (455407) 2003 ER's instance of is recorded as asteroid[3].
  • (455407) 2003 ER's instance of is recorded as near-Earth object[4].
  • (455407) 2003 ER's site of astronomical discovery is recorded as Experimental Test Site[5].
  • (455407) 2003 ER's minor planet group is recorded as Amor asteroid[6].
  • (455407) 2003 ER's parent astronomical body is recorded as Sun[7].
  • (455407) 2003 ER's provisional designation is recorded as 2003 ER[8].
  • (455407) 2003 ER's time of discovery or invention is recorded as +2003-03-05T00:00:00Z[9].
  • (455407) 2003 ER's JPL Small-Body Database SPK-ID is recorded as 20455407[10].
  • (455407) 2003 ER's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2359796376885267'}[11].
  • (455407) 2003 ER's absolute magnitude is recorded as {'unit': '1', 'amount': '+19.86'}[12].
  • (455407) 2003 ER's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+36.09941813958765'}[13].
  • (455407) 2003 ER's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+679.583602429415'}[14].
  • (455407) 2003 ER's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+155.995065196417'}[15].
  • (455407) 2003 ER's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.512735421613423'}[16].
  • (455407) 2003 ER's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.869710178324359'}[17].
  • (455407) 2003 ER's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.155760664902487'}[18].
  • (455407) 2003 ER's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+68.61461215738451'}[19].
  • (455407) 2003 ER's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+284.1060486748642'}[20].
  • (455407) 2003 ER's Google Knowledge Graph ID is recorded as /g/12z65f4yg[21].
  • (455407) 2003 ER's Wolfram Language entity code is recorded as Entity["MinorPlanet", "MinorPlanet455407Provisional2003ER"][22].
  • (455407) 2003 ER's Minor Planet Center body ID is recorded as 455407[23].
  • (455407) 2003 ER's epoch is recorded as May 5, 2025[24].
  • (455407) 2003 ER's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460943.7674579006'}[25].

Body

Designation and Status

Recorded instance of include asteroid[3] and near-Earth object[4].

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [2] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . 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 . wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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). (455407) 2003 ER. Retrieved May 3, 2026, from https://4ort.xyz/entity/-455407-2003-er
MLA “(455407) 2003 ER.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-455407-2003-er.
BibTeX @misc{4ortxyz_-455407-2003-er_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(455407) 2003 ER}}, year = {2026}, url = {https://4ort.xyz/entity/-455407-2003-er}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (455407) 2003 ER — https://4ort.xyz/entity/-455407-2003-er (retrieved 2026-05-03)

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