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12868 Onken

asteroid
Asteroid Q2624183

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
12867 Joëloïc[4]
Followed by
12869 Ejiaga[5]
Absolute magnitude
12.8, 12.94[16][17]
Apoapsis
4.001 au, 3.997611881656677 au
Argument of periapsis
92.15865°, 92.19120231801078°
Discoverer or inventor
Lowell Observatory Near-Earth-Object Search[2]
Epoch
November 21, 2025
Longitude of ascending node
246.84100°, 246.7712218894435°[23]
Mean anomaly
277.25634°, 348.7110211468499°
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.29 (0.29–0.29, n=3)[13][14][15]
Orbital inclination
14.16082°, 14.1460707928308°[18][19]
Orbital period
5.48 year, 2,003.415982691775 day[20][21]
Parent astronomical body
Sun[7]
Periapsis
2.2131394 au, 2.222694844885832 au
Provisional designation
1987 QC11, 1992 KT, 1998 MZ7[8][9][10]
Rotation period
115.0 h[22]
Semi-major axis of an orbit
3.1069158 au, 3.110153363271254 au
Significant event
naming[12]
Site of astronomical discovery
Anderson Mesa Station[3]
Time of discovery or invention
June 19, 1998[11]
Time of periapsis
2,461,063.3236685074 Julian day
🏷️ Also known as
en 12868 Onken en Onken de (12868) Onken fa سیارک 12868 fa سیارک ۱۲۸۶۸ ru 1992 KT ru (12868) 1998 MZ7 ru 1987 QC11 ru 1998 MZ7 ru Onken sv 1998 MZ7 uk 12868 Onken uk 12868 Онкен zh 小行星12868
🔖 Identifiers · 3
Freebase ID
/m/03y7vm7
JPL Small-Body Database SPK-ID
20012868
Minor Planet Center body ID
12868

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

🔗 Connections
Discoverer or inventor 1
Lowell Observatory Near-Earth-Object Search
Epoch 1
November 21, 2025
Followed by 1
12869 Ejiaga
Followed by (predecessor) 1
12869 Ejiaga
Follows 1
12867 Joëloïc
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
12867 Joëloïc
Site of astronomical discovery 1
Anderson Mesa Station
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Summary

12868 Onken 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] ↑ . Minor Planet Center database. wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). 12868 Onken. Retrieved November 10, 2026, from https://4ort.xyz/entity/12868-onken
MLA “12868 Onken.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/12868-onken.
BibTeX @misc{4ortxyz_12868-onken_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{12868 Onken}}, year = {2026}, url = {https://4ort.xyz/entity/12868-onken}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 12868 Onken — https://4ort.xyz/entity/12868-onken (retrieved 2026-11-10)

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