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121 Hermione

outer main-belt asteroid
Place asteroid Q137019
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121 Hermione

Summary

121 Hermione is an asteroid[1]. It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • 121 Hermione is credited with the discovery of James Craig Watson[3].
  • 121 Hermione's instance of is recorded as asteroid[4].
  • 121 Hermione's site of astronomical discovery is recorded as Detroit Observatory[5].
  • Hermione is named after 121 Hermione[6].
  • 121 Hermione followed Q136933[7].
  • 121 Hermione was followed by Q137099[8].
  • 121 Hermione's minor planet group is recorded as asteroid belt[9].
  • 121 Hermione's minor planet group is recorded as outer asteroid belt[10].
  • 121 Hermione's Commons category is recorded as 121 Hermione[11].
  • 121 Hermione's parent astronomical body is recorded as Sun[12].
  • 121 Hermione's child astronomical body is recorded as S/2002 (121) 1[13].
  • 121 Hermione's provisional designation is recorded as 1970 VE[14].
  • 121 Hermione's provisional designation is recorded as A872 JA[15].
  • 121 Hermione's time of discovery or invention is recorded as May 12, 1872[16].
  • 121 Hermione's asteroid spectral type is recorded as C-type asteroid[17].
  • 121 Hermione's significant event is recorded as naming[18].
  • 121 Hermione's orbital eccentricity is recorded as {'amount': '+0.124635506560679'}[19].
  • 121 Hermione's absolute magnitude is recorded as {'amount': '+7.4'}[20].
  • 121 Hermione's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+7.566302980194032'}[21].
  • 121 Hermione's mass is recorded as {'unit': 'Q2655272', 'amount': '+5.38'}[22].
  • 121 Hermione's orbital period is recorded as {'unit': 'Q573', 'amount': '+2347.725318585089'}[23].
  • 121 Hermione's rotation period is recorded as {'unit': 'Q25235', 'amount': '+5.55128'}[24].
  • 121 Hermione's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+72.87519128790062'}[25].
  • 121 Hermione's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+3.456998871593732'}[26].
  • 121 Hermione's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+3.887863677134513'}[27].

Body

Designation and Status

121 Hermione's instance of is recorded as asteroid[4].

History and Context

Hermione is named after 121 Hermione[6].

Why It Matters

121 Hermione has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[2] It is known by 14 alternative names across languages and contexts.[28]

Related Entities

James Craig Watson

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] ↑ . JPL Small-Body 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] ↑ . Dictionary of Minor Planet Names (Sixth Revised and Enlarged Edition). wikidata.org.
  5. [7] ↑ . Minor Planet Center database. wikidata.org.
  6. [8] ↑ . Minor Planet Center database. wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . 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.
  2. [28] ↑ . Wikidata aliases. 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). 121 Hermione. Retrieved May 3, 2026, from https://4ort.xyz/entity/121-hermione
MLA “121 Hermione.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/121-hermione.
BibTeX @misc{4ortxyz_121-hermione_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{121 Hermione}}, year = {2026}, url = {https://4ort.xyz/entity/121-hermione}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 121 Hermione — https://4ort.xyz/entity/121-hermione (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 8d ago · Dirac · 2026-07-20 view diff on Wikidata ↗
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+72.87519128790062'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+3.887863677134513'}
    Mean anomaly → {'unit': 'Q28390', 'amount': '+227.9743617673739'}
    Asteroid spectral type → C-type asteroid
    + 29 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P18]]: 121Hermione (Lightcurve Inversion).png, [[:toollabs:quickstatements/#/batch/261337|batch #261337]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.