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21544 Hermainkhan

asteroid
Place asteroid Q240757

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
21543 Jessop[4]
Followed by
21545 Koirala[5]
Absolute magnitude
13.9, 14.05[16][17]
Albedo
0.239
Apoapsis
2.79, 2.793581016244572
Argument of periapsis
292.28335, 293.5843291704974
Diameter
4.512
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
316.45335, 316.2477988689665[22][23]
Mean anomaly
126.57915, 353.5426205509016
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.1 (0.1–0.1, n=3)[13][14][15]
Orbital inclination
11.33582, 11.32912181424973[18][19]
Orbital period
4.02, 1468.3897286474[20][21]
Parent astronomical body
Sun[7]
Periapsis
2.2677077, 2.263019015551661
Provisional designation
1986 TH4, 1994 PF32, 1998 QL33[8][9][10]
Semi-major axis of an orbit
2.5287557, 2.528300015898116
Significant event
naming[12]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
August 17, 1998[11]
Time of periapsis
2461026.8387490474
🏷️ Also known as
en 21544 Hermainkhan en Hermainkhan de (21544) Hermainkhan fa سیارک ۲۱۵۴۴ pl (21544) Hermainkhan (1998 QL33) ru 1994 PF32 ru 1986 TH4 ru 1998 QL33 ru (21544) 1998 QL33 ru Hermainkhan uk 21544 Германкан zh 小行星21544
🔖 Identifiers · 3
Freebase ID
/m/03y3l60
JPL Small-Body Database SPK-ID
20021544
Minor Planet Center body ID
21544

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

🔗 Connections
Discoverer or inventor 1
Lincoln Near-Earth Asteroid Research
Epoch 1
November 21, 2025
Followed by 1
21545 Koirala
Followed by (predecessor) 1
21545 Koirala
Follows 1
21543 Jessop
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
21543 Jessop
← FactGrid item ID 1
Vienna
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Summary

21544 Hermainkhan 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] ↑ . Minor Planet Center database. 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . 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). 21544 Hermainkhan. Retrieved November 1, 2026, from https://4ort.xyz/entity/21544-hermainkhan
MLA “21544 Hermainkhan.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/21544-hermainkhan.
BibTeX @misc{4ortxyz_21544-hermainkhan_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21544 Hermainkhan}}, year = {2026}, url = {https://4ort.xyz/entity/21544-hermainkhan}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21544 Hermainkhan — https://4ort.xyz/entity/21544-hermainkhan (retrieved 2026-11-01)

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