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7984 Marius

asteroid
Thing Asteroid Q1312685

Facts

26 properties
Instance of
asteroid
Follows
7983 Festin[4]
Followed by
7985 Nedelcu[5]
Absolute magnitude
13.7 (13.5–13.7, n=3)[15][16][17]
Albedo
+0.065[36]
Apoapsis
+3.157, +3.158530162305357[27][28]
Argument of periapsis
+28.75071, +28.55494568203272[31][32]
Diameter
+10.014[35]
Discoverer or inventor
Zdeňka Vávrová[1]
Epoch
November 21, 2025[37]
Longitude of ascending node
+340.24564, +340.1767245001783[23][24]
Mean anomaly
+6.41475, +200.398712706565[33][34]
Minor planet group
asteroid belt[6]
Named after
Simon Marius[3]
Orbital eccentricity
0.2 (0.2–0.2, n=3)[12][13][14]
Orbital inclination
+9.04285, +9.041269952372602[18][19]
Orbital period
+4.27, +1559.600473396802[20][21]
Parent astronomical body
Sun[7]
Periapsis
+2.1093976, +2.105357552185356[29][30]
Provisional designation
1980 SM, 1995 DJ12[8][9]
Rotation period
+3.534[22]
Semi-major axis of an orbit
+2.6332453, +2.631943857245357[25][26]
Significant event
naming[11]
Site of astronomical discovery
Kleť Observatory[2]
Show all 26 facts +2
Time of discovery or invention
September 29, 1980[10]
Time of periapsis
+2461691.928453382[38]
🏷️ Also known as
en (7984) 1980 SM en Marius de (7984) Marius ru 1980 SM ru 1995 DJ12 zh 小行星7984
🔖 Identifiers · 3
Freebase ID
/m/0b73plk
JPL Small-Body Database SPK-ID
20007984
Minor Planet Center body ID
7984

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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] ↑ . Minor Planet Center database. wikidata.org.
  4. [4] ↑ . 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] ↑ . 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  26. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  27. [27] ↑ . minorplanetcenter.net. minorplanetcenter.net. 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] ↑ . 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). 7984 Marius. Retrieved November 6, 2026, from https://4ort.xyz/entity/7984-marius
MLA “7984 Marius.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/7984-marius.
BibTeX @misc{4ortxyz_7984-marius_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{7984 Marius}}, year = {2026}, url = {https://4ort.xyz/entity/7984-marius}, note = {Accessed: 2026-11-06}}
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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. 7d ago · AbzalM · 2026-11-02 view diff on Wikidata ↗
    Orbital inclination → 9.04285 degree, 9.04127 degree
    Apoapsis → 3.157 astronomical unit, 3.15853 astronomical unit
    Discoverer or inventor → Zdeňka Vávrová
    Site of astronomical discovery → Kleť Observatory
    + 26 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.