684 Hildburg

main-belt asteroid
Thing asteroid Q156483
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684 Hildburg

Summary

684 Hildburg is an asteroid[1]. It has Wikipedia articles in 38 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 684 Hildburg is credited with the discovery of August Kopff[3].
  • 684 Hildburg's instance of is recorded as asteroid[4].
  • 684 Hildburg's site of astronomical discovery is recorded as Heidelberg-Königstuhl State Observatory[5].
  • 684 Hildburg's follows is recorded as 683 Lanzia[6].
  • 684 Hildburg's followed by is recorded as 685 Hermia[7].
  • 684 Hildburg's minor planet group is recorded as asteroid belt[8].
  • 684 Hildburg's parent astronomical body is recorded as Sun[9].
  • 684 Hildburg's provisional designation is recorded as 1909 HD[10].
  • 684 Hildburg's provisional designation is recorded as 1928 PB[11].
  • 684 Hildburg's provisional designation is recorded as 1938 CT[12].
  • 684 Hildburg's provisional designation is recorded as A909 PB[13].
  • 684 Hildburg's time of discovery or invention is recorded as +1909-08-08T00:00:00Z[14].
  • 684 Hildburg's Freebase ID is recorded as /m/08lzkl[15].
  • 684 Hildburg's JPL Small-Body Database SPK-ID is recorded as 20000684[16].
  • 684 Hildburg's significant event is recorded as naming[17].
  • 684 Hildburg's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.03526043113805191'}[18].
  • 684 Hildburg's absolute magnitude is recorded as {'unit': '1', 'amount': '+10.89'}[19].
  • 684 Hildburg's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.519'}[20].
  • 684 Hildburg's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+5.521389395035004'}[21].
  • 684 Hildburg's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1384.99637537063'}[22].
  • 684 Hildburg's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+11.91'}[23].
  • 684 Hildburg's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+336.2103975775359'}[24].
  • 684 Hildburg's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.431644821569594'}[25].
  • 684 Hildburg's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.517385666352749'}[26].
  • 684 Hildburg's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.345903976786439'}[27].

Body

Works and Contributions

684 Hildburg is credited with the discovery of August Kopff[3].

Why It Matters

684 Hildburg has Wikipedia articles in 38 language editions, a strong signal of global cultural recognition.[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] ↑ . Minor Planet Center 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] ↑ . Minor Planet Center database. wikidata.org.
  5. [7] ↑ . Minor Planet Center database. 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. 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 . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . Freebase Data Dumps. wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. wikidata.org.
  15. [17] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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 sitelinks. 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). 684 Hildburg. Retrieved October 9, 2026, from https://4ort.xyz/entity/684-hildburg
MLA “684 Hildburg.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Oct. 2026, https://4ort.xyz/entity/684-hildburg.
BibTeX @misc{4ortxyz_684-hildburg_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{684 Hildburg}}, year = {2026}, url = {https://4ort.xyz/entity/684-hildburg}, note = {Accessed: 2026-10-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 684 Hildburg — https://4ort.xyz/entity/684-hildburg (retrieved 2026-10-09)

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