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205 Martha

main-belt asteroid
Place asteroid Q147177

Facts

27 properties

Identity

Instance of
asteroid
More facts +26
Follows
204 Kallisto[5]
Followed by
206 Hersilia[6]
Absolute magnitude
9.42[14]
Albedo
0.055, 0.061
Apoapsis
2.876683553786705[21]
Argument of periapsis
171.4622614419242
Asteroid spectral type
C-type asteroid[11]
Diameter
76.983
Discoverer or inventor
Johann Palisa[2]
Epoch
November 21, 2025
Longitude of ascending node
211.7206581120632[19]
Mean anomaly
208.2483335489333
Minor planet group
asteroid belt[7]
Named after
Martha[4]
Orbital eccentricity
0.03589437685400014[13]
Orbital inclination
10.695, 10.70634164053522[15][16]
Orbital period
1690.298278556165[17]
Parent astronomical body
Sun[8]
Periapsis
2.677325847293667[22]
Provisional designation
A879 TB[9]
Rotation period
14.911[18]
Semi-major axis of an orbit
2.777004700540186[20]
Significant event
naming[12]
Site of astronomical discovery
Pula Observatory[3]
Time of discovery or invention
October 13, 1879[10]
Time of periapsis
2461713.015501584
🏷️ Also known as
en (205) Martha en Martha en 205 Martha de 205 Martha el 205 Μάρθα fa سیارک ۲۰۵ fr 205 Martha fr Martha ja マルタ ru (205) Martha ru (205) Марфа ru Martha ru Марфа th 205 มาร์ธา uk 205 Марта vi (205) Martha vi A879 TB vi Martha zh 马大星
🔖 Identifiers · 4
Freebase ID
/m/057sct
JPL Small-Body Database SPK-ID
20000205
Minor Planet Center body ID
205
Wolfram Language entity code
Entity["MinorPlanet", "Martha"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Asteroid spectral type 1
C-type asteroid
Discoverer or inventor 1
Johann Palisa
Epoch 1
November 21, 2025
Followed by 1
206 Hersilia
Followed by (predecessor) 1
206 Hersilia
Follows 1
204 Kallisto
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Martha
Parent astronomical body 1
Sun
Preceded by (successor) 1
204 Kallisto
Site of astronomical discovery 1
Pula Observatory
← FactGrid item ID 1
address book
← SNARC ID 1
Jeremy Strong
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Summary

205 Martha is an asteroid[1].

Related Entities

Johann Palisa

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body 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] ↑ . 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] ↑ . wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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.
  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.

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). 205 Martha. Retrieved November 4, 2026, from https://4ort.xyz/entity/205-martha
MLA “205 Martha.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/205-martha.
BibTeX @misc{4ortxyz_205-martha_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{205 Martha}}, year = {2026}, url = {https://4ort.xyz/entity/205-martha}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 205 Martha — https://4ort.xyz/entity/205-martha (retrieved 2026-11-04)

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