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4231 Fireman

asteroid
Thing Asteroid Q153078

Facts

26 properties
Instance of
asteroid
Follows
4230 van den Bergh[5]
Followed by
4232 Aparicio[6]
Absolute magnitude
+13.3, +13.4[20][21]
Albedo
+0.0437[40]
Apoapsis
+2.409, +2.410013233434492[31][32]
Argument of periapsis
+76.94842, +76.8776192789689[35][36]
Diameter
+13.28[39]
Discoverer or inventor
Harvard College Observatory[2]
Epoch
November 21, 2025[41]
Longitude of ascending node
+261.05330, +261.001359357297[27][28]
Mean anomaly
+158.20861, +250.6052651161389[37][38]
Minor planet group
asteroid belt[7]
Named after
Edward Fireman[4]
Orbital eccentricity
0.07 (0.07–0.07, n=3)[17][18][19]
Orbital inclination
+8.59060, +8.595775281816632[22][23]
Orbital period
+3.4, +1240.613097795674[24][25]
Parent astronomical body
Sun[8]
Periapsis
+2.1095410, +2.109121459676381[33][34]
Provisional designation
1976 WD, 1976 YV3, 1976 YY7, 1977 AT, 1979 SP10, 1986 XK1[9][10][11][12][13][14]
Rotation period
+339.57[26]
Semi-major axis of an orbit
+2.2595054, +2.259567346555436[29][30]
Significant event
naming[16]
Site of astronomical discovery
Harvard College Observatory[3]
Show all 26 facts +2
Time of discovery or invention
November 11, 1976[15]
Time of periapsis
+2461377.4903914635[42]
🏷️ Also known as
en Fireman de (4231) Fireman fa سیارک ۴۲۳۱ ru 1976 YY7 ru 1979 SP10 ru 1986 XK1 ru (4231) 1976 WD ru 1977 AT ru 1976 WD ru 1976 YV3 uk 4231 Файрмен zh 小行星4231
🔖 Identifiers · 3
Freebase ID
/m/03y259w
JPL Small-Body Database SPK-ID
20004231
Minor Planet Center body ID
4231

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Summary

4231 Fireman 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. wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. wikidata.org.
  3. [4] ↑ . 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. wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . 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.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [28] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [29] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [30] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [31] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [32] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [33] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [35] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  35. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [37] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  37. [38] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  38. [39] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  39. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  40. [41] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  41. [42] ↑ . 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). 4231 Fireman. Retrieved November 10, 2026, from https://4ort.xyz/entity/4231-fireman
MLA “4231 Fireman.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/4231-fireman.
BibTeX @misc{4ortxyz_4231-fireman_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4231 Fireman}}, year = {2026}, url = {https://4ort.xyz/entity/4231-fireman}, note = {Accessed: 2026-11-10}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 12d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 4230 van den Bergh
    JPL Small-Body Database SPK-ID → 20004231
    Time of periapsis → 2,461,377.490391 Julian day
    Minor planet group → asteroid belt
    + 26 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.