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8618 Sethjacobson

outer main-belt minor planet
Place Asteroid Q849520

Facts

25 properties

Identity

Instance of
asteroid
More facts +24
Follows
8617 Fellous[4]
Followed by
(8619) 1981 EH1[5]
Absolute magnitude
12.8 (12.5–12.8, n=3)[17][18][19]
Albedo
+0.285[37]
Apoapsis
+3.268, +3.287526709450753[28][29]
Argument of periapsis
+148.52141, +143.1756779341023[32][33]
Diameter
+7.876[36]
Discoverer or inventor
Schelte J. Bus[1]
Epoch
November 21, 2025[38]
Longitude of ascending node
+265.59012, +265.5192889497507[24][25]
Mean anomaly
+4.91666, +63.42387562990741[34][35]
Minor planet group
asteroid belt, outer asteroid belt[6][7]
Named after
Seth A. Jacobson[3]
Orbital eccentricity
0.03 (0.02–0.03, n=3)[14][15][16]
Orbital inclination
+7.08186, +7.082252295906652[20][21]
Orbital period
+5.73, +2095.7650953917[22][23]
Parent astronomical body
Sun[8]
Periapsis
+3.1328539, +3.122494203203829[30][31]
Provisional designation
1981 DX, 1972 TC6, 1994 NG2[9][10][11]
Semi-major axis of an orbit
+3.2005107, +3.205010456327291[26][27]
Significant event
naming[13]
Site of astronomical discovery
Siding Spring Observatory[2]
Time of discovery or invention
February 28, 1981[12]
Time of periapsis
+2460631.2734867786[39]
🏷️ Also known as
en 8618 Sethjacobson en (8618) 1981 DX en Sethjacobson de (8618) 1981 DX de (8618) Sethjacobson es (8618) 1981 DX fr (8618) 1981 DX hu (8618) 1981 DX pt (8618) 1981 DX ru 1972 TC6 ru 1981 DX ru 1994 NG2 sv (8618) 1981 DX zh 小行星8618
🔖 Identifiers · 3
Freebase ID
/m/0b77n73
JPL Small-Body Database SPK-ID
20008618
Minor Planet Center body ID
8618

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

🔗 Connections
Discoverer or inventor 1
Schelte J. Bus
Epoch 1
November 21, 2025
Followed by 1
(8619) 1981 EH1
Followed by (predecessor) 1
(8619) 1981 EH1
Follows 1
8617 Fellous
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
8617 Fellous
Site of astronomical discovery 1
Siding Spring Observatory
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References

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

Direct Wikidata claims

  1. [1] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . wikidata.org.
  9. [9] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . Minor Planet Center 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] ↑ . 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). 8618 Sethjacobson. Retrieved November 8, 2026, from https://4ort.xyz/entity/8618-sethjacobson
MLA “8618 Sethjacobson.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/8618-sethjacobson.
BibTeX @misc{4ortxyz_8618-sethjacobson_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{8618 Sethjacobson}}, year = {2026}, url = {https://4ort.xyz/entity/8618-sethjacobson}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 8618 Sethjacobson — https://4ort.xyz/entity/8618-sethjacobson (retrieved 2026-11-08)

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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. 8d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → 7.08186 degree, 7.082252 degree
    Apoapsis → 3.268 astronomical unit, 3.287527 astronomical unit
    Discoverer or inventor → Schelte J. Bus
    Site of astronomical discovery → Siding Spring Observatory
    + 19 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.