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12515 Suiseki

asteroid
Place asteroid Q727982

Facts

26 properties
Instance of
asteroid
Follows
12514 Schommer[4]
Followed by
12516 Karenyoung[5]
Absolute magnitude
+14.2, +14.31[17][18]
Albedo
+0.294[37]
Apoapsis
+2.772, +2.771441795446293[28][29]
Argument of periapsis
+163.86794, +163.4123141305472[32][33]
Diameter
+3.884[36]
Discoverer or inventor
Spacewatch[1]
Epoch
November 21, 2025[38]
Longitude of ascending node
+162.87648, +162.8523878367302[24][25]
Mean anomaly
+101.23559, +3.072627478340426[34][35]
Minor planet group
asteroid belt[6]
Named after
suiseki[3]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[14][15][16]
Orbital inclination
+4.95164, +4.953241525470187[19][20]
Orbital period
+3.81, +1390.566610445864[21][22]
Parent astronomical body
Sun[7]
Periapsis
+2.1054894, +2.104878707569198[30][31]
Provisional designation
1972 RX2, 1991 RG32, 1998 HE43, 4855 T-1[8][9][10][11]
Rotation period
+20.7202[23]
Semi-major axis of an orbit
+2.4384987, +2.438160251507746[26][27]
Significant event
naming[13]
Site of astronomical discovery
Kitt Peak National Observatory[2]
Show all 26 facts +2
Time of discovery or invention
April 30, 1998[12]
Time of periapsis
+2460988.6314078397[39]
🏷️ Also known as
en 12515 Suiseki en Suiseki de (12515) Suiseki fa سیارک ۱۲۵۱۵ ja 水石 ru Suiseki ru T/4855 T-1 ru 1991 RG32 ru (12515) 1998 HE43 ru 1972 RX2 ru 1998 HE43 ru 4855 T-1 uk 12515 Суйсекі zh 小行星12515
🔖 Identifiers · 3
Freebase ID
/m/03ygxkh
JPL Small-Body Database SPK-ID
20012515
Minor Planet Center body ID
12515

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

🔗 Connections
Discoverer or inventor 1
Spacewatch
Epoch 1
November 21, 2025
Followed by 1
12516 Karenyoung
Followed by (predecessor) 1
12516 Karenyoung
Follows 1
12514 Schommer
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
suiseki
Parent astronomical body 1
Sun
Preceded by (successor) 1
12514 Schommer
Site of astronomical discovery 1
Kitt Peak National Observatory
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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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . Minor Planet Center database. wikidata.org.
  5. [5] ↑ . 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). 12515 Suiseki. Retrieved November 2, 2026, from https://4ort.xyz/entity/12515-suiseki
MLA “12515 Suiseki.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/12515-suiseki.
BibTeX @misc{4ortxyz_12515-suiseki_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{12515 Suiseki}}, year = {2026}, url = {https://4ort.xyz/entity/12515-suiseki}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 12515 Suiseki — https://4ort.xyz/entity/12515-suiseki (retrieved 2026-11-02)

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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 ↗
    Periapsis → {'unit': 'Q1811', 'amount': '+2.1054894'}, {'unit': 'Q1811', 'amount': '+2.104878707569198'}
    Orbital period → {'unit': 'Q577', 'amount': '+3.81'}, {'unit': 'Q573', 'amount': '+1390.566610445864'}
    Wikipedia languages → ['arz', 'ce', 'en', 'eo', 'fa', 'fr', 'it', 'ja', 'kaa', 'pl', 'pt', 'ro', 'sv',
    Rotation period → {'unit': 'Q25235', 'amount': '+20.7202'}
    + 27 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.