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840 Zenobia

main-belt asteroid
Thing Asteroid Q157365

Facts

25 properties
Instance of
asteroid
Follows
839 Valborg[4]
Followed by
841 Arabella[5]
Absolute magnitude
10.06[18]
Albedo
0.232
Apoapsis
3.451999646342987 astronomical unit[25]
Argument of periapsis
8.268513105862635 degree
Diameter
27.306 km
Discoverer or inventor
Max Wolf[2]
Epoch
November 21, 2025
Longitude of ascending node
272.5476565657046 degree[23]
Mean anomaly
320.4632312699445 degree
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.103209278212192[17]
Orbital inclination
9.956 degree, 9.97763490470967 degree[19][20]
Orbital period
2,021.704520484235 day[21]
Parent astronomical body
Sun[7]
Periapsis
2.806105165714308 astronomical unit
Provisional designation
1916 AK, 1937 LR, 1942 HE, 1943 OF, 1952 BM1, 1956 YA, A916 SN[8][9][10][11][12][13][14]
Rotation period
5.565 hour[22]
Semi-major axis of an orbit
3.129052406028647 astronomical unit[24]
Significant event
naming[16]
Site of astronomical discovery
Heidelberg-Königstuhl State Observatory[3]
Time of discovery or invention
September 25, 1916[15]
Show all 25 facts +1
Time of periapsis
2,461,222.5324001857 Julian day
🏷️ Also known as
en (840) Zenobia en Zenobia de 840 Zenobia el 840 Ζηνοβία fa سیارک ۸۴۰ ja ゼノビア ru (840) 1916 AK ru (840) Зенобия ru A916AK ru Зенобия ru 1943 OF ru 1916 AK ru 1937 LR ru 1942 HE ru 1952 BM1 ru 1956 YA uk 840 Зенобія zh 小行星840
🔖 Identifiers · 3
Freebase ID
/m/08m7tm
JPL Small-Body Database SPK-ID
20000840
Minor Planet Center body ID
840

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Summary

840 Zenobia is an asteroid[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . Minor Planet Center database. wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). 840 Zenobia. Retrieved November 8, 2026, from https://4ort.xyz/entity/840-zenobia
MLA “840 Zenobia.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/840-zenobia.
BibTeX @misc{4ortxyz_840-zenobia_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{840 Zenobia}}, year = {2026}, url = {https://4ort.xyz/entity/840-zenobia}, note = {Accessed: 2026-11-08}}
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