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321 Florentina

main-belt asteroid
Asteroid Q151037

Facts

28 properties

Identity

Instance of
asteroid
More facts +27
Follows
320 Katharina[5]
Followed by
322 Phaeo[6]
Absolute magnitude
10.08[16]
Albedo
0.425
Apoapsis
3.019799768432039
Argument of periapsis
31.35111143749546
Asteroid family
Koronis family[13]
Asteroid spectral type
S-type asteroid[12]
Diameter
27.974
Discoverer or inventor
Johann Palisa[2]
Epoch
November 21, 2025
Longitude of ascending node
40.13737744119025[21]
Mean anomaly
90.69985482801513
Minor planet group
asteroid belt[7]
Named after
Florentine[4]
Orbital eccentricity
0.04692516506461894[15]
Orbital inclination
2.594, 2.581985318615499[17][18]
Orbital period
1789.33719373623[19]
Parent astronomical body
Sun[8]
Periapsis
2.749093499589939
Provisional designation
1959 RS, A891 TC[9][10]
Rotation period
2.871[20]
Semi-major axis of an orbit
2.884446634010989
Significant event
naming[14]
Site of astronomical discovery
Vienna Observatory[3]
Time of discovery or invention
October 15, 1891[11]
Time of periapsis
2460549.6871563606
🏷️ Also known as
en (321) Florentina en 321 Florentina en Florentina ar 321 فلورنتينا ar ٣٢١ فلورنتينا de 321 Florentina el 321 Φλωρεντίνα fa سیارک ۳۲۱ fr 321 Florentina fr Florentina ja フロレンティーナ ru 1959 RS ru (321) Florentina ru (321) Флорентина ru Florentina ru Флорентина sv 1959 RS uk 321 Флорентіна zh 小行星 321 zh 小行星321
🔖 Identifiers · 6
Image (Wikimedia Commons)
321Florentina (Lightcurve Inversion).png ↗
DAMIT asteroid ID
163
Freebase ID
/m/058873
JPL Small-Body Database SPK-ID
20000321
Minor Planet Center body ID
321
Wolfram Language entity code
Entity["MinorPlanet", "Florentina"]

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

🔗 Connections
Asteroid family 1
Koronis family
Asteroid spectral type 1
S-type asteroid
Discoverer or inventor 1
Johann Palisa
Epoch 1
November 21, 2025
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Vienna Observatory
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Summary

321 Florentina is an asteroid[1].

Related Entities

Johann Palisa

References

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

Direct Wikidata claims

  1. [2] ↑ . 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. [4] ↑ . 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] ↑ . 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] ↑ . 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] ↑ . 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). 321 Florentina. Retrieved November 11, 2026, from https://4ort.xyz/entity/321-florentina
MLA “321 Florentina.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/321-florentina.
BibTeX @misc{4ortxyz_321-florentina_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{321 Florentina}}, year = {2026}, url = {https://4ort.xyz/entity/321-florentina}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 321 Florentina — https://4ort.xyz/entity/321-florentina (retrieved 2026-11-11)

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