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4909 Couteau

asteroid
Thing asteroid Q154833

Facts

27 properties
Instance of
asteroid
Follows
4908 Ward[4]
Followed by
4910 Kawasato[5]
Absolute magnitude
+13.4, +13.57[22][23]
Albedo
+0.278[42]
Apoapsis
+2.833, +2.834327819965036[33][34]
Argument of periapsis
+235.16133, +235.2451373428992[37][38]
Asteroid spectral type
S-type asteroid[17]
Diameter
+5.324[41]
Discoverer or inventor
Marguerite Laugier[1]
Epoch
November 21, 2025[43]
Longitude of ascending node
+114.10313, +114.0876018174566[29][30]
Mean anomaly
+122.13768, +92.11798739120985[39][40]
Minor planet group
asteroid belt[6]
Named after
Paul Couteau[3]
Orbital eccentricity
0.25 (0.25–0.25, n=3)[19][20][21]
Orbital inclination
+2.40858, +2.408776528048206[24][25]
Orbital period
+3.43, +1252.872825351199[26][27]
Parent astronomical body
Sun[7]
Periapsis
+1.7134505, +1.714530085237293[35][36]
Provisional designation
1949 SA1, 1949 SD, 1949 TJ, 1949 UG1, 1959 NK, 1966 QO, 1973 SW3, 1990 RA[8][9][10][11][12][13][14][15]
Rotation period
+5.054[28]
Semi-major axis of an orbit
+2.2732618, +2.274428952601164[31][32]
Significant event
naming[18]
Show all 27 facts +3
Site of astronomical discovery
Nice Observatory[2]
Time of discovery or invention
September 28, 1949[16]
Time of periapsis
+2460679.9107690877
🏷️ Also known as
en Couteau de (4909) Couteau fa سیارک ۴۹۰۹ ru 1949 TJ ru 1949 UG1 ru 1966 QO ru 1973 SW3 ru 1990 RA ru (4909) 1949 SA1 ru 1959 NK ru 1949 SA1 ru 1949 SD uk 4909 Куто zh 小行星4909
🔖 Identifiers · 3
Freebase ID
/m/03y19g8
JPL Small-Body Database SPK-ID
20004909
Minor Planet Center body ID
4909

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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] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . wikidata.org.
  19. [19] ↑ . 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  38. [38] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  39. [39] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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.
  42. [42] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  43. [43] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 4909 Couteau. Retrieved November 3, 2026, from https://4ort.xyz/entity/4909-couteau
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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 ↗
    Follows → 4908 Ward
    JPL Small-Body Database SPK-ID → 20004909
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460679.9107690877'}
    Minor planet group → asteroid belt
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||kaa */ kaawiki sitelink"
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