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71 Niobe

main-belt asteroid
Thing asteroid Q212970

Facts

28 properties
Instance of
asteroid
Follows
70 Panopaea[5]
Followed by
72 Feronia[6]
Absolute magnitude
7.24[15]
Albedo
0.305, 0.3052
Apoapsis
3.242284099582588 astronomical unit
Argument of periapsis
267.034663103709 degree
Asteroid spectral type
S-type asteroid, X-type asteroid[11][12]
Diameter
83.42 km
Discoverer or inventor
Robert Luther[2]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
315.9060390999397 degree[20]
Mean anomaly
61.17486602597877 degree
Minor planet group
asteroid belt[7]
Named after
Niobe[4]
Orbital eccentricity
0.1770226973002744[14]
Orbital inclination
23.256 degree, 23.24409657107598 degree[16][17]
Orbital period
1,669.928089859961 day[18]
Parent astronomical body
Sun[8]
Periapsis
2.267013396581901 astronomical unit
Provisional designation
A861 PA[9]
Rotation period
35.864 hour[19]
Semi-major axis of an orbit
2.754648748082245 astronomical unit
Show all 28 facts +4
Significant event
naming[13]
Site of astronomical discovery
Düsseldorf-Bilk Observatory[3]
Time of discovery or invention
August 13, 1861[10]
Time of periapsis
2,460,716.7288134163 Julian day
🏷️ Also known as
en Niobe en (71) Niobe de 71 Niobé el 71 Νιόβη es 71 niobe fa سیارک ۷۱ fa سیارک 71 fr Niobé fr (71) Niobé ja ニオベ ru (71) Ниоба ru Ниоба uk 71 Ніоба vi A861 PA zh 司石星 zh 小行星71 zh 石女星
🔖 Identifiers · 6
Image (Wikimedia Commons)
71Niobe (Lightcurve Inversion).png ↗
DAMIT asteroid ID
614
Freebase ID
/m/036zqy
JPL Small-Body Database SPK-ID
20000071
Minor Planet Center body ID
71
Wolfram Language entity code
Entity["MinorPlanet", "Niobe"]

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Summary

71 Niobe 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] ↑ . Dictionary of Minor Planet Names (Sixth Revised and Enlarged Edition). wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

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). 71 Niobe. Retrieved November 3, 2026, from https://4ort.xyz/entity/71-niobe
MLA “71 Niobe.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/71-niobe.
BibTeX @misc{4ortxyz_71-niobe_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{71 Niobe}}, year = {2026}, url = {https://4ort.xyz/entity/71-niobe}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 71 Niobe — https://4ort.xyz/entity/71-niobe (retrieved 2026-11-03)

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