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6818 Sessyu

asteroid
Thing Asteroid Q700986

Facts

26 properties
Instance of
asteroid
Follows
6817 Pest[5]
Followed by
6819 McGarvey[6]
Absolute magnitude
14.1 (13.8–14.1, n=3)[17][18][19]
Albedo
+0.235[38]
Apoapsis
+2.398, +2.399081843628098[29][30]
Argument of periapsis
+117.77437, +117.9685403916214[33][34]
Diameter
+4.992[37]
Discoverer or inventor
Hiroki Kosai, Kiichirō Furukawa[1][2]
Epoch
November 21, 2025[39]
Longitude of ascending node
+18.58738, +18.45824561851963[25][26]
Mean anomaly
+22.76376, +19.79481441667604[35][36]
Minor planet group
asteroid belt[7]
Named after
Sesshū Tōyō[4]
Orbital eccentricity
0.08 (0.08–0.08, n=3)[14][15][16]
Orbital inclination
+4.24848, +4.247145273937364[20][21]
Orbital period
+3.3, +1204.55351742374[22][23]
Parent astronomical body
Sun[8]
Periapsis
+2.0335651, +2.032054478995189[31][32]
Provisional designation
1978 VS2, 1983 EM1, 1986 AQ2[9][10][11]
Rotation period
+3.0717[24]
Semi-major axis of an orbit
+2.2156149, +2.215568161311644[27][28]
Significant event
naming[13]
Site of astronomical discovery
Kiso Observatory[3]
Show all 26 facts +2
Time of discovery or invention
March 11, 1983[12]
Time of periapsis
+2460934.26690741[40]
🏷️ Also known as
en Sessyu de 1983 EM1 de (6818) Sessyu fa سیارک ۶۸۱۸ ru 1978 VS2 ru 1986 AQ2 ru (6818) 1983 EM1 uk 6818 Сессю zh 小行星6818
🔖 Identifiers · 3
Freebase ID
/m/03ygddt
JPL Small-Body Database SPK-ID
20006818
Minor Planet Center body ID
6818

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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] ↑ . wikidata.org.
  5. [5] ↑ . Minor Planet Center database. wikidata.org.
  6. [6] ↑ . Minor Planet Center database. wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . 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] ↑ . wikidata.org.
  18. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  26. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  27. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  28. [28] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  29. [29] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  30. [30] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  31. [31] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  32. [32] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  33. [33] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  34. [34] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  35. [35] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  40. [40] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 6818 Sessyu. Retrieved November 3, 2026, from https://4ort.xyz/entity/6818-sessyu
MLA “6818 Sessyu.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/6818-sessyu.
BibTeX @misc{4ortxyz_6818-sessyu_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{6818 Sessyu}}, year = {2026}, url = {https://4ort.xyz/entity/6818-sessyu}, note = {Accessed: 2026-11-03}}
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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. 9d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Periapsis → 2.033565 astronomical unit, 2.032054 astronomical unit
    Orbital period → 3.3 year, 1,204.553517 day
    Rotation period → 3.0717 hour
    Instance of → asteroid
    + 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.