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21543 Jessop

asteroid
Place asteroid Q603808

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
21542 Kennajeannet[4]
Followed by
21544 Hermainkhan[5]
Absolute magnitude
13.7, 13.81[16][17]
Albedo
0.069
Apoapsis
3.42, 3.437730219924066
Argument of periapsis
338.88348, 335.1762936712461
Diameter
9.67
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
309.9064, 309.5469680297525[22][23]
Mean anomaly
232.20094, 280.0526249857691
Minor planet group
asteroid belt, outer asteroid belt[6][7]
Orbital eccentricity
0.06 (0.05–0.06, n=3)[13][14][15]
Orbital inclination
8.63243, 8.604302214996771[18][19]
Orbital period
5.85, 2135.003408641801[20][21]
Parent astronomical body
Sun[8]
Periapsis
3.076023, 3.05205154640938
Provisional designation
1990 EQ1, 1998 QQ24[9][10]
Semi-major axis of an orbit
3.2480536, 3.244890883166724
Significant event
naming[12]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
August 17, 1998[11]
Time of periapsis
2461474.6331060203
🏷️ Also known as
en 21543 Jessop en Jessop de (21543) Jessop fa سیارک ۲۱۵۴۳ ru 1998 QQ24 ru 1990 EQ1 ru (21543) 1998 QQ24 ru Jessop uk 21543 Джессоп zh 小行星21543
🔖 Identifiers · 3
Freebase ID
/m/03y4_25
JPL Small-Body Database SPK-ID
20021543
Minor Planet Center body ID
21543

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
21544 Hermainkhan
Followed by (predecessor) 1
21544 Hermainkhan
Follows 1
21542 Kennajeannet
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
21542 Kennajeannet
← FactGrid item ID 1
Zaręba
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Summary

21543 Jessop 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. 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] ↑ . 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). 21543 Jessop. Retrieved November 1, 2026, from https://4ort.xyz/entity/21543-jessop
MLA “21543 Jessop.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/21543-jessop.
BibTeX @misc{4ortxyz_21543-jessop_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21543 Jessop}}, year = {2026}, url = {https://4ort.xyz/entity/21543-jessop}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21543 Jessop — https://4ort.xyz/entity/21543-jessop (retrieved 2026-11-01)

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