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4607 Seilandfarm

asteroid
Place asteroid Q599771

Facts

26 properties
Instance of
asteroid
Follows
4606 Saheki[4]
Followed by
4608 Wodehouse[5]
Absolute magnitude
+13.2, +13.4[17][18]
Albedo
+0.224[37]
Apoapsis
+2.307, +2.309562001219549[28][29]
Argument of periapsis
+219.31148, +220.6665767705064[32][33]
Asteroid spectral type
L-type asteroid[12]
Diameter
+7.389[36]
Discoverer or inventor
Kin Endate, Kazurō Watanabe[1][2]
Epoch
November 21, 2025[38]
Longitude of ascending node
+250.49237, +250.4019388041104[24][25]
Mean anomaly
+39.83444, +12.91278102357309[34][35]
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.02 (0.02–0.02, n=3)[14][15][16]
Orbital inclination
+2.25255, +2.25082816626021[19][20]
Orbital period
+3.41, +1244.564518450497[21][22]
Parent astronomical body
Sun[7]
Periapsis
+2.2199135, +2.219163399549656[30][31]
Provisional designation
1951 CK1, 1975 EO4, 1987 WR[8][9][10]
Rotation period
+3.9683[23]
Semi-major axis of an orbit
+2.2636600, +2.264362700384603[26][27]
Significant event
naming[13]
Site of astronomical discovery
Kitami Observatory[3]
Show all 26 facts +2
Time of discovery or invention
November 25, 1987[11]
Time of periapsis
+2460955.8589191763[39]
🏷️ Also known as
en Seilandfarm en 4607 Seilandfarm de (4607) Seilandfarm fa سیارک ۴۶۰۷ ru Seilandfarm ru 1975 EO4 ru 1951 CK1 ru 1987 WR ru (4607) 1987 WR uk 4607 Сейлендфам zh 小行星4607
🔖 Identifiers · 3
Freebase ID
/m/03ygbv3
JPL Small-Body Database SPK-ID
20004607
Minor Planet Center body ID
4607

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

🔗 Connections
Discoverer or inventor 2
Kazurō Watanabe, Kin Endate
Asteroid spectral type 1
L-type asteroid
Epoch 1
November 21, 2025
Followed by 1
4608 Wodehouse
Followed by (predecessor) 1
4608 Wodehouse
Follows 1
4606 Saheki
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
4606 Saheki
Site of astronomical discovery 1
Kitami Observatory
← FactGrid item ID 1
Młyniska
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References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . Minor Planet Center database. wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . wikidata.org.
  15. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  26. [26] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  29. [29] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  30. [30] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  31. [31] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  32. [32] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  33. [33] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  34. [34] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  35. [35] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  36. [36] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  37. [37] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  38. [38] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  39. [39] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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). 4607 Seilandfarm. Retrieved November 1, 2026, from https://4ort.xyz/entity/4607-seilandfarm
MLA “4607 Seilandfarm.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/4607-seilandfarm.
BibTeX @misc{4ortxyz_4607-seilandfarm_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4607 Seilandfarm}}, year = {2026}, url = {https://4ort.xyz/entity/4607-seilandfarm}, note = {Accessed: 2026-11-01}}
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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. 4d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 4606 Saheki
    Follows → —
    Instance of → —
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460955.8589191763'}
    + 26 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.