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8558 Hack

asteroid
Thing asteroid Q1079116

Facts

26 properties
Instance of
asteroid
Follows
8557 Šaroun[6]
Followed by
(8559) 1995 QM2[7]
Absolute magnitude
14.6 (14.4–14.6, n=3)[17][18][19]
Albedo
0.052
Apoapsis
3.801 astronomical unit, 3.806456548083735 astronomical unit
Argument of periapsis
307.31925 degree, 307.3222750787356 degree
Diameter
7.667 km
Discoverer or inventor
Luciano Tesi, Andrea Boattini[2][3]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
40.18890 degree, 39.78308338099252 degree[24][25]
Mean anomaly
79.59186 degree, 149.3432476200205 degree
Minor planet group
asteroid belt[8]
Named after
Margherita Hack[5]
Orbital eccentricity
0.22 (0.22–0.22, n=3)[14][15][16]
Orbital inclination
0.28155 degree, 0.277806862702466 degree[20][21]
Orbital period
5.51 year, 2,007.101294682851 day[22][23]
Parent astronomical body
Sun[9]
Periapsis
2.4397858 astronomical unit, 2.421476069704913 astronomical unit
Provisional designation
1991 XS6, 1995 PC[10][11]
Semi-major axis of an orbit
3.12058368 astronomical unit, 3.113966308894324 astronomical unit
Significant event
naming[13]
Site of astronomical discovery
Pistoia Mountains Astronomical Observatory[4]
Show all 26 facts +2
Time of discovery or invention
August 1, 1995[12]
Time of periapsis
2,460,167.8693731935 Julian day
🏷️ Also known as
en (8558) Hack en Hack de 1995 PC fa سیارک 8558 fa سیارک ۸۵۵۸ ja アック ru 1991 XS6 ru (8558) 1995 PC uk 8558 Hack uk 8558 Гак uk (8558) Гак zh 小行星8558
🔖 Identifiers · 3
Freebase ID
/m/03y355s
JPL Small-Body Database SPK-ID
20008558
Minor Planet Center body ID
8558

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Summary

8558 Hack is an asteroid[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . Minor Planet Center 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] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [9] ↑ . 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 . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). 8558 Hack. Retrieved November 8, 2026, from https://4ort.xyz/entity/8558-hack
MLA “8558 Hack.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/8558-hack.
BibTeX @misc{4ortxyz_8558-hack_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{8558 Hack}}, year = {2026}, url = {https://4ort.xyz/entity/8558-hack}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 8558 Hack — https://4ort.xyz/entity/8558-hack (retrieved 2026-11-08)

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