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25476 Sealfon

asteroid
Place Asteroid Q844357

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
25475 Lizrao[5]
Followed by
25477 Preyashah[6]
Absolute magnitude
15.4, 15.54[17][18]
Apoapsis
2.653, 2.652839014464899
Argument of periapsis
139.50677, 139.8333854378236
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
249.86384, 249.7838068068862[23]
Mean anomaly
156.87659, 91.55237462014996
Minor planet group
asteroid belt[7]
Named after
Adam Sealfon[4]
Orbital eccentricity
0.13 (0.13–0.13, n=3)[14][15][16]
Orbital inclination
2.90381, 2.901513885462573[19][20]
Orbital period
3.61, 1319.045824347392[21][22]
Parent astronomical body
Sun[8]
Periapsis
2.053024, 2.0548124292537
Provisional designation
1981 XF1, 1998 LJ1, 1999 XU42[9][10][11]
Semi-major axis of an orbit
2.3529693, 2.3538257218593
Significant event
naming[13]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
December 7, 1999[12]
Time of periapsis
2460665.0506181894
🏷️ Also known as
en 25476 Sealfon en Sealfon de (25476) Sealfon fa سیارک 25476 fa سیارک ۲۵۴۷۶ ru 1981 XF1 ru 1998 LJ1 ru 1999 XU42 ru (25476) 1999 XU42 ru Sealfon zh 小行星25476
🔖 Identifiers · 3
Freebase ID
/m/0ch42f_
JPL Small-Body Database SPK-ID
20025476
Minor Planet Center body ID
25476

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
25477 Preyashah
Followed by (predecessor) 1
25477 Preyashah
Follows 1
25475 Lizrao
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
25475 Lizrao
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Summary

25476 Sealfon 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] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  4. [5] ↑ . Minor Planet Center database. 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). 25476 Sealfon. Retrieved November 8, 2026, from https://4ort.xyz/entity/25476-sealfon
MLA “25476 Sealfon.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/25476-sealfon.
BibTeX @misc{4ortxyz_25476-sealfon_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{25476 Sealfon}}, year = {2026}, url = {https://4ort.xyz/entity/25476-sealfon}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 25476 Sealfon — https://4ort.xyz/entity/25476-sealfon (retrieved 2026-11-08)

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