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16951 Carolus Quartus

asteroid
Place asteroid Q2708805

Facts

25 properties
Instance of
asteroid
Follows
(16950) 1998 JQ[5]
Followed by
16952 Peteschultz[6]
Absolute magnitude
12.7, 12.87[17][18]
Albedo
0.174
Apoapsis
3.158, 3.161441747942157
Argument of periapsis
190.92476, 186.7909902080279
Diameter
9.611
Discoverer or inventor
Petr Pravec[2]
Epoch
November 21, 2025
Longitude of ascending node
76.07539, 75.98066015692277[23]
Mean anomaly
229.75219, 47.3926876175453
Minor planet group
asteroid belt[7]
Named after
Charles IV[4]
Orbital eccentricity
0.06 (0.06–0.06, n=3)[14][15][16]
Orbital inclination
11.10673, 11.09234566553235[19][20]
Orbital period
5.17, 1889.941179346437[21][22]
Parent astronomical body
Sun[8]
Periapsis
2.8223639, 2.821708418129907
Provisional designation
1980 WB4, 1985 VE5, 1998 KJ[9][10][11]
Semi-major axis of an orbit
2.9902685, 2.991575083036032
Significant event
naming[13]
Site of astronomical discovery
Ondřejov Observatory[3]
Time of discovery or invention
May 19, 1998[12]
Show all 25 facts +1
Time of periapsis
2460751.6961335326
🏷️ Also known as
en 16951 Carolus Quartus en Carolus Quartus de (16951) Carolus Quartus it 1980 WB4 it 1985 VE5 it 1998 KJ ru 1980 WB4 ru (16951) 1998 KJ ru 1985 VE5 ru 1998 KJ ru Carolus Quartus uk 16951 Carolus Quartus uk 16951 Каролус Квартус zh 小行星16951
🔖 Identifiers · 3
Freebase ID
/m/03y14nm
JPL Small-Body Database SPK-ID
20016951
Minor Planet Center body ID
16951

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

🔗 Connections
Discoverer or inventor 1
Petr Pravec
Epoch 1
November 21, 2025
Followed by 1
16952 Peteschultz
Followed by (predecessor) 1
16952 Peteschultz
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Charles IV
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Ondřejov Observatory
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Summary

16951 Carolus Quartus is an asteroid[1].

Related Entities

Charles IV

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] ↑ . 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] ↑ . 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] ↑ . 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). 16951 Carolus Quartus. Retrieved November 1, 2026, from https://4ort.xyz/entity/16951-carolus-quartus
MLA “16951 Carolus Quartus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/16951-carolus-quartus.
BibTeX @misc{4ortxyz_16951-carolus-quartus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{16951 Carolus Quartus}}, year = {2026}, url = {https://4ort.xyz/entity/16951-carolus-quartus}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 16951 Carolus Quartus — https://4ort.xyz/entity/16951-carolus-quartus (retrieved 2026-11-01)

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