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3905 Doppler

main belt asteroid
Thing Asteroid Q918690

Facts

27 properties
Instance of
asteroid
Follows
3904 Honda[4]
Followed by
3906 Chao[5]
Absolute magnitude
12.9 (12.5–12.9, n=3)[15][16][17]
Albedo
+0.228[37]
Apoapsis
+3.218, +3.213149802539461[28][29]
Argument of periapsis
+90.82340, +91.45099263590666[32][33]
Diameter
+8.021[36]
Different from
Doppler[18]
Discoverer or inventor
Antonín Mrkos[1]
Epoch
November 21, 2025[38]
Longitude of ascending node
+343.31374, +343.1045274210828[24][25]
Mean anomaly
+104.68364, +321.178901229437[34][35]
Minor planet group
asteroid belt[6]
Named after
Christian Dopplerr[3]
Orbital eccentricity
0.26 (0.26–0.26, n=3)[12][13][14]
Orbital inclination
+14.19091, +14.20945691951841[19][20]
Orbital period
+4.09, +1496.331716947184[21][22]
Parent astronomical body
Sun[7]
Periapsis
+1.9005611, +1.907396513885195[30][31]
Provisional designation
1980 RP2, 1984 QO[8][9]
Rotation period
+50.8[23]
Semi-major axis of an orbit
+2.5591433, +2.560273158212328[26][27]
Significant event
naming[11]
Show all 27 facts +3
Site of astronomical discovery
Kleť Observatory[2]
Time of discovery or invention
August 28, 1984[10]
Time of periapsis
+2461161.8590038256
🏷️ Also known as
en Doppler de (3905) Doppler fa سیارک 3905 fa سیارک ۳۹۰۵ ja ドップラー ru 1984 QO ru 1980 RP2 ru (3905) 1984 QO ru (3905) Допплер ru Допплер uk 3905 Doppler uk 3905 Допплер zh 小行星3905
🔖 Identifiers · 3
Freebase ID
/m/03y1gt6
JPL Small-Body Database SPK-ID
20003905
Minor Planet Center body ID
3905

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

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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). 3905 Doppler. Retrieved November 11, 2026, from https://4ort.xyz/entity/3905-doppler
MLA “3905 Doppler.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/3905-doppler.
BibTeX @misc{4ortxyz_3905-doppler_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{3905 Doppler}}, year = {2026}, url = {https://4ort.xyz/entity/3905-doppler}, note = {Accessed: 2026-11-11}}
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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. 11d ago · AbzalM · 2026-10-31 view diff on Wikidata ↗
    Follows → 3904 Honda
    JPL Small-Body Database SPK-ID → 20003905
    Time of periapsis → 2,461,161.859004 Julian day
    Minor planet group → asteroid belt
    + 27 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.