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21437 Georgechen

asteroid
Place Asteroid Q1095479

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
21436 Chaoyichi[4]
Followed by
21438 Camibarnett[5]
Absolute magnitude
+13.8, +14.02[15][16]
Albedo
+0.173
Apoapsis
+3.139, +3.136419834359808
Argument of periapsis
+114.57013, +114.3959653132085
Diameter
+5.057
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
+211.15062, +211.0748547468589[22][23]
Mean anomaly
+126.13397, +51.33851727280867
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.19 (0.19–0.19, n=3)[12][13][14]
Orbital inclination
+12.36324, +12.36130955366221[17][18]
Orbital period
+4.28, +1563.018209500425[19][20]
Parent astronomical body
Sun[7]
Periapsis
+2.1319104, +2.135155325291071
Provisional designation
1998 FG117, 1999 NB56[8][9]
Rotation period
+26.5562[21]
Semi-major axis of an orbit
+2.6353390, +2.635787579825439
Significant event
naming[11]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
March 31, 1998[10]
Time of periapsis
+2460777.6026740386
🏷️ Also known as
en 21437 Georgechen en Georgechen es (21437) Georgechen fa سیارک 21437 fa سیارک ۲۱۴۳۷ ru 1998 FG117 ru 1999 NB56 ru (21437) 1998 FG117 ru Georgechen uk 21437 Georgechen uk 21437 Джорджчен zh 小行星21437
🔖 Identifiers · 3
Freebase ID
/m/03y2mvc
JPL Small-Body Database SPK-ID
20021437
Minor Planet Center body ID
21437

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
21438 Camibarnett
Followed by (predecessor) 1
21438 Camibarnett
Follows 1
21436 Chaoyichi
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
21436 Chaoyichi
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Summary

21437 Georgechen 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] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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). 21437 Georgechen. Retrieved November 11, 2026, from https://4ort.xyz/entity/21437-georgechen
MLA “21437 Georgechen.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/21437-georgechen.
BibTeX @misc{4ortxyz_21437-georgechen_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21437 Georgechen}}, year = {2026}, url = {https://4ort.xyz/entity/21437-georgechen}, note = {Accessed: 2026-11-11}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21437 Georgechen — https://4ort.xyz/entity/21437-georgechen (retrieved 2026-11-11)

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