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3309 Brorfelde

asteroid
Thing Asteroid Q151281

Facts

27 properties
Instance of
asteroid
Follows
3308 Ferreri[5]
Followed by
3310 Patsy[6]
Absolute magnitude
13.6, 13.72[17][18]
Albedo
0.408
Apoapsis
1.915 astronomical unit, 1.914688856504335 astronomical unit
Argument of periapsis
218.61669 degree, 218.477460764983 degree
Asteroid spectral type
S-type asteroid[12]
Diameter
5.038 km
Discoverer or inventor
Kåre S. Jensen[2]
Epoch
November 21, 2025
Longitude of ascending node
29.79400 degree, 29.75639753341465 degree[24][25]
Mean anomaly
317.54383 degree, 203.0510631200068 degree
Minor planet group
asteroid belt, inner asteroid belt[7][8]
Named after
Brorfelde Observatory[4]
Orbital eccentricity
0.05 (0.05–0.05, n=3)[14][15][16]
Orbital inclination
21.13546 degree, 21.1330845261692 degree[19][20]
Orbital period
2.45 year, 895.1049561025133 day[21][22]
Parent astronomical body
Sun[9]
Periapsis
1.7204798 astronomical unit, 1.720667749897393 astronomical unit
Provisional designation
1982 BH[10]
Rotation period
2.5041 hour[23]
Semi-major axis of an orbit
1.8175141 astronomical unit, 1.817678303200864 astronomical unit
Significant event
naming[13]
Show all 27 facts +3
Site of astronomical discovery
Brorfelde Observatory[3]
Time of discovery or invention
January 28, 1982[11]
Time of periapsis
2,461,390.7382534896 Julian day
🏷️ Also known as
en Brorfelde de (3309) Brorfelde el 3309 Μπρορφέλντε fa سیارک ۳۳۰۹ ja ブロルフェルド ja 3309 ブロルフェルド ru 1982 BH ru (3309) 1982 BH ru (3309) Брорфельде ru Брорфельде zh 小行星3309
🔖 Identifiers · 3
Freebase ID
/m/0h1l4w
JPL Small-Body Database SPK-ID
20003309
Minor Planet Center body ID
3309

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Summary

3309 Brorfelde is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). 3309 Brorfelde. Retrieved November 9, 2026, from https://4ort.xyz/entity/3309-brorfelde
MLA “3309 Brorfelde.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/3309-brorfelde.
BibTeX @misc{4ortxyz_3309-brorfelde_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{3309 Brorfelde}}, year = {2026}, url = {https://4ort.xyz/entity/3309-brorfelde}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 3309 Brorfelde — https://4ort.xyz/entity/3309-brorfelde (retrieved 2026-11-09)

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