Home › Entities › Asteroid › (9864) 1991 RT17

(9864) 1991 RT17

minor planet
Place Asteroid Q710959

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
9863 Reichardt[3]
Followed by
9865 Akiraohta[4]
Absolute magnitude
+13.0, +13.14[15][16]
Albedo
+0.072[35]
Apoapsis
+3.493, +3.504103736913672[26][27]
Argument of periapsis
+57.91782, +60.16691867104085[30][31]
Diameter
+13.044[34]
Discoverer or inventor
Henry E. Holt[1]
Epoch
November 21, 2025[36]
Longitude of ascending node
+258.08954, +257.9711778204476[22][23]
Mean anomaly
+66.19043, +140.815823812528[32][33]
Minor planet group
asteroid belt[5]
Orbital eccentricity
0.13 (0.13–0.13, n=3)[12][13][14]
Orbital inclination
+1.53281, +1.532118550304735[17][18]
Orbital period
+5.41, +1983.31667706488[19][20]
Parent astronomical body
Sun[6]
Periapsis
+2.6718542, +2.674529556070097[28][29]
Provisional designation
1991 RT17, 1953 QN, 1981 XP, 1997 WR1[7][8][9][10]
Rotation period
+4.558[21]
Semi-major axis of an orbit
+3.0822282, +3.089316646491885[24][25]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
September 13, 1991[11]
Time of periapsis
+2460224.7156339944[37]
🏷️ Also known as
en (9864) 1991 RT17 ru 1953 QN ru 1981 XP ru 1991 RT17 ru 1997 WR1 zh 小行星9864
🔖 Identifiers · 4
Freebase ID
/m/0h55vgp
JPL Small-Body Database SPK-ID
20009864
Minor Planet Center body ID
9864
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet9864Provisional1991RT17"]

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

🔗 Connections
Discoverer or inventor 1
Henry E. Holt
Epoch 1
November 21, 2025
Followed by 1
9865 Akiraohta
Followed by (predecessor) 1
9865 Akiraohta
Follows 1
9863 Reichardt
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
9863 Reichardt
Site of astronomical discovery 1
Palomar Observatory
← FactGrid item ID 1
Dymyne
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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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . wikidata.org.
  13. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.

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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). (9864) 1991 RT17. Retrieved November 8, 2026, from https://4ort.xyz/entity/9864-1991-rt17
MLA “(9864) 1991 RT17.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/9864-1991-rt17.
BibTeX @misc{4ortxyz_9864-1991-rt17_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(9864) 1991 RT17}}, year = {2026}, url = {https://4ort.xyz/entity/9864-1991-rt17}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (9864) 1991 RT17 — https://4ort.xyz/entity/9864-1991-rt17 (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. 9d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → 1.53281 degree, 1.532119 degree
    Apoapsis → 3.493 astronomical unit, 3.504104 astronomical unit
    Discoverer or inventor → Henry E. Holt
    Site of astronomical discovery → Palomar Observatory
    + 18 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.