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(20958) A900 MA

asteroid
Place asteroid Q5170751

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
(20957) 4430 T-3[4]
Followed by
(20959) 1936 UG[5]
Absolute magnitude
14.4, 14.53[15][16]
Albedo
0.399
Apoapsis
3.018, 3.017097202807005
Argument of periapsis
187.7776, 187.6810286612117
Diameter
2.847
Discoverer or inventor
James Edward Keeler[2]
Epoch
May 5, 2025
Longitude of ascending node
97.46919, 97.43767976087788[21][22]
Mean anomaly
141.95215, 32.13539209493018
Minor planet group
Mars-crossing asteroid[6]
Orbital eccentricity
0.3 (0.3–0.3, n=3)[12][13][14]
Orbital inclination
8.16231, 8.16093328413909[17][18]
Orbital period
3.56, 1298.238657532694[19][20]
Parent astronomical body
Sun[7]
Periapsis
1.6413867, 1.640916220183363
Provisional designation
1999 CC53, 2000 TO50, A900 MA[8][9][10]
Semi-major axis of an orbit
2.3296439, 2.329006711495184[23][24]
Site of astronomical discovery
Lick Observatory[3]
Time of discovery or invention
June 29, 1900[11]
Time of periapsis
2460684.6127547426
🏷️ Also known as
en (20958) A900 MA ru 1999 CC53 ru 2000 TO50 ru A900 MA zh 小行星20958
🔖 Identifiers · 4
Google Knowledge Graph ID
/g/11c2q52590
JPL Small-Body Database SPK-ID
20020958
Minor Planet Center body ID
20958
Wolfram Language entity code
Entity["MinorPlanet", "MinorPlanet20958ProvisionalA900MA"]

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🔗 Connections
Discoverer or inventor 1
James Edward Keeler
Epoch 1
May 5, 2025
Followed by 1
(20959) 1936 UG
Followed by (predecessor) 1
(20959) 1936 UG
Follows 1
(20957) 4430 T-3
Instance of 1
asteroid
Minor planet group 1
Mars-crossing asteroid
Parent astronomical body 1
Sun
Preceded by (successor) 1
(20957) 4430 T-3
Site of astronomical discovery 1
Lick Observatory
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Summary

(20958) A900 MA is an asteroid[1].

Related Entities

James Edward Keeler

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body Database. wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . 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. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  12. [13] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [24] ↑ . 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). (20958) A900 MA. Retrieved November 3, 2026, from https://4ort.xyz/entity/20958-a900-ma
MLA “(20958) A900 MA.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/20958-a900-ma.
BibTeX @misc{4ortxyz_20958-a900-ma_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(20958) A900 MA}}, year = {2026}, url = {https://4ort.xyz/entity/20958-a900-ma}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (20958) A900 MA — https://4ort.xyz/entity/20958-a900-ma (retrieved 2026-11-03)

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