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86 Semele

main-belt asteroid
Asteroid Q157477

Facts

30 properties

Identity

Instance of
asteroid
More facts +29
Follows
85 Io[5]
Followed by
87 Sylvia[6]
Absolute magnitude
8.7[16]
Albedo
0.047, 0.056
Apoapsis
3.782287625857288
Apparent magnitude
15.27[15]
Argument of periapsis
308.9345521077692
Asteroid spectral type
C-type asteroid[12]
Density
2.0[19]
Diameter
109.929
Discoverer or inventor
Friedrich Tietjen[2]
Epoch
November 21, 2025
Longitude of ascending node
86.06219295779552
Mass
1.8[20]
Mean anomaly
63.96395906035136
Minor planet group
asteroid belt[7]
Named after
Semele[4]
Orbital eccentricity
0.2176916750823394[14]
Orbital inclination
4.822, 4.820781590521086[17][18]
Orbital period
1999.513079344396[21]
Parent astronomical body
Sun[8]
Periapsis
2.429937854950951
Provisional designation
1978 BB, A866 AA[9][10]
Rotation period
16.634
Semi-major axis of an orbit
3.106112740404119
Significant event
naming[13]
Site of astronomical discovery
Berlin Observatory[3]
Time of discovery or invention
January 4, 1866[11]
Time of periapsis
2460645.231186812
🏷️ Also known as
en 86 Semele en (86) Semele en Semele de 86 Sémélé el 86 Σεμέλη fa سیارک ۸۶ fr (86) Sémélé fr 86 Sémélé fr Sémélé he סמלה 86 ja セメレ pt 86 Sémélé ru 1978 BB ru (86) Semele ru (86) Семела ru Semele ru Семела uk 86 Семела vi (86) Semele vi A866 AA
🔖 Identifiers · 4
Freebase ID
/m/0370l0
JPL Small-Body Database SPK-ID
20000086
Minor Planet Center body ID
86
Wolfram Language entity code
Entity["MinorPlanet", "Semele"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Asteroid spectral type 1
C-type asteroid
Discoverer or inventor 1
Friedrich Tietjen
Epoch 1
November 21, 2025
Followed by 1
87 Sylvia
Followed by (predecessor) 1
87 Sylvia
Follows 1
85 Io
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Semele
Parent astronomical body 1
Sun
Preceded by (successor) 1
85 Io
Site of astronomical discovery 1
Berlin Observatory
← SNARC ID 1
Gillingham
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Summary

86 Semele is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body Database. wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . Dictionary of Minor Planet Names (Sixth Revised and Enlarged Edition). wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. 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 . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . 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). 86 Semele. Retrieved November 12, 2026, from https://4ort.xyz/entity/86-semele
MLA “86 Semele.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/86-semele.
BibTeX @misc{4ortxyz_86-semele_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{86 Semele}}, year = {2026}, url = {https://4ort.xyz/entity/86-semele}, note = {Accessed: 2026-11-12}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 86 Semele — https://4ort.xyz/entity/86-semele (retrieved 2026-11-12)

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