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18398 Bregenz

asteroid
Asteroid Q2213462

Facts

26 properties

Identity

Instance of
asteroid
More facts +25
Follows
(18397) 1992 SF14[5]
Followed by
18399 Tentoumushi[6]
Absolute magnitude
14.8, 14.99[17][18]
Apoapsis
3.02 (3.02–451.9M, n=3)
Apparent magnitude
20.79[16]
Argument of periapsis
102.2 (102.1–324.2, n=3)
Diameter
3 km
Discoverer or inventor
Freimut Börngen[2]
Epoch
November 21, 2025
Longitude of ascending node
219.5 (219.5–219.6, n=3)
Mean anomaly
200.2 (102.2–245.5, n=3)
Minor planet group
Mars-crossing asteroid[7]
Named after
Bregenz[4]
Orbital eccentricity
0.31 (0.31–0.31, n=3)[13][14][15]
Orbital inclination
7.83 (7.83–7.84, n=3)[19][20][21]
Orbital period
1.3k (3.5–1.3k, n=3)[22][23]
Parent astronomical body
Sun[8]
Periapsis
1.59 (1.59–238.5M, n=3)
Provisional designation
1981 JP6, 1992 SQ23[9][10]
Rotation period
5.3764 h, 5.376 h
Semi-major axis of an orbit
2.31 (2.31–345.2M, n=3)
Significant event
naming[12]
Site of astronomical discovery
Karl Schwarzschild Observatory[3]
Time of discovery or invention
September 23, 1992[11]
Time of periapsis
2,461,568.6200676574 Julian day
🏷️ Also known as
en 18398 Bregenz en Bregenz de (18398) Bregenz fa سیارک 18398 fa سیارک ۱۸۳۹۸ ru (18398) 1992 SQ23 ru 1981 JP6 ru 1992 SQ23 ru Bregenz zh 小行星18398
🔖 Identifiers · 3
Freebase ID
/m/03y12c1
JPL Small-Body Database SPK-ID
20018398
Minor Planet Center body ID
18398

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

🔗 Connections
Discoverer or inventor 1
Freimut Börngen
Epoch 1
November 21, 2025
Followed by 1
18399 Tentoumushi
Followed by (predecessor) 1
18399 Tentoumushi
Follows 1
(18397) 1992 SF14
Instance of 1
asteroid
Minor planet group 1
Mars-crossing asteroid
Named after 1
Bregenz
Parent astronomical body 1
Sun
Preceded by (successor) 1
(18397) 1992 SF14
Site of astronomical discovery 1
Karl Schwarzschild Observatory
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Summary

18398 Bregenz 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . 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] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . 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] ↑ . 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] ↑ . wikidata.org.
  22. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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). 18398 Bregenz. Retrieved November 10, 2026, from https://4ort.xyz/entity/18398-bregenz
MLA “18398 Bregenz.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/18398-bregenz.
BibTeX @misc{4ortxyz_18398-bregenz_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{18398 Bregenz}}, year = {2026}, url = {https://4ort.xyz/entity/18398-bregenz}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 18398 Bregenz — https://4ort.xyz/entity/18398-bregenz (retrieved 2026-11-10)

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