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8590 Pygargus

asteroid
Thing Asteroid Q785560

Facts

26 properties
Instance of
asteroid
Follows
8589 Stellaris[6]
Followed by
8591 Excubitor[7]
Absolute magnitude
+13.3, +13.47[19][20]
Albedo
+0.078[39]
Apoapsis
+3.619, +3.619851196077391[30][31]
Argument of periapsis
+155.52044, +158.0127197371451[34][35]
Diameter
+11.445[38]
Discoverer or inventor
Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld, Tom Gehrels[1][2][3]
Epoch
November 21, 2025[40]
Longitude of ascending node
+121.77847, +121.6571098094345[26][27]
Mean anomaly
+129.20263, +174.4009008762423[36][37]
Minor planet group
asteroid belt, outer asteroid belt[8][9]
Named after
Montagu's Harrier[5]
Orbital eccentricity
0.12 (0.12–0.12, n=3)[16][17][18]
Orbital inclination
+1.87874, +1.882036289385902[21][22]
Orbital period
+5.8, +2129.686375653617[23][24]
Parent astronomical body
Sun[10]
Periapsis
+2.8381951, +2.859151283135235[32][33]
Provisional designation
1954 QE1, 1989 TU12, 6533 P-L[11][12][13]
Rotation period
+17.62[25]
Semi-major axis of an orbit
+3.2286743, +3.239501239606314[28][29]
Significant event
naming[15]
Site of astronomical discovery
Palomar Observatory[4]
Show all 26 facts +2
Time of discovery or invention
September 24, 1960[14]
Time of periapsis
+2459968.779937506[41]
🏷️ Also known as
en Pygargus de (8590) Pygargus de 6533 P-L fa سیارک ۸۵۹۰ ru 1989 TU12 ru 1954 QE1 ru (8590) 6533 P-L ru PLS6533 uk 8590 Піґарґ zh 小行星8590
🔖 Identifiers · 3
Freebase ID
/m/03y828c
JPL Small-Body Database SPK-ID
20008590
Minor Planet Center body ID
8590

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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] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [5] ↑ . wikidata.org.
  6. [6] ↑ . Minor Planet Center database. wikidata.org.
  7. [7] ↑ . Minor Planet Center database. wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . wikidata.org.
  16. [16] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  41. [41] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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BibTeX @misc{4ortxyz_8590-pygargus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{8590 Pygargus}}, year = {2026}, url = {https://4ort.xyz/entity/8590-pygargus}, note = {Accessed: 2026-11-07}}
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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 → 1.87874 degree, 1.882036 degree
    Apoapsis → 3.619 astronomical unit, 3.619851 astronomical unit
    Discoverer or inventor → Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld, Tom Gehrels
    Site of astronomical discovery → Palomar Observatory
    + 26 other properties edited (see Wikidata diff for full list)
    "Changed [kaa] labels, descriptions, aliases and claims: kaawiki sitelink"
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