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4126 Mashu

asteroid
Thing asteroid Q152702

Facts

25 properties
Instance of
asteroid
Follows
4125 Lew Allen[6]
Followed by
4127 Kyogoku[7]
Absolute magnitude
12.3, 12.58[20][21]
Apoapsis
3.650 astronomical unit, 3.660185419695488 astronomical unit
Argument of periapsis
355.27392 degree, 357.9168274774086 degree
Discoverer or inventor
Kin Endate, Kazurō Watanabe[2][3]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
101.75530 degree, 101.5925876462221 degree
Mean anomaly
98.15031 degree, 216.008869015423 degree
Minor planet group
asteroid belt, outer asteroid belt[8][9]
Named after
Lake Mashū[5]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[17][18][19]
Orbital inclination
3.17516 degree, 3.185964396819916 degree[22][23]
Orbital period
5.76 year, 2,094.559174630633 day[24][25]
Parent astronomical body
Sun[10]
Periapsis
2.7767835 astronomical unit, 2.747376337328313 astronomical unit
Provisional designation
1965 AX, 1971 DU, 1975 WA1, 1988 BU[11][12][13][14]
Rotation period
10.624 hour
Semi-major axis of an orbit
3.2131748 astronomical unit, 3.203780878511901 astronomical unit
Significant event
naming[16]
Site of astronomical discovery
Kitami Observatory[4]
Time of discovery or invention
January 19, 1988[15]
Show all 25 facts +1
Time of periapsis
2,461,838.27206797 Julian day
🏷️ Also known as
en Mashu de (4126) Mashu fa سیارک ۴۱۲۶ ru 1988 BU ru (4126) 1988 BU ru 1975 WA1 ru 1965 AX ru 1971 DU uk 4126 Машу zh 小行星4126
🔖 Identifiers · 3
Freebase ID
/m/03y7c82
JPL Small-Body Database SPK-ID
20004126
Minor Planet Center body ID
4126

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Summary

4126 Mashu 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] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [25] ↑ . 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). 4126 Mashu. Retrieved November 6, 2026, from https://4ort.xyz/entity/4126-mashu
MLA “4126 Mashu.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/4126-mashu.
BibTeX @misc{4ortxyz_4126-mashu_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{4126 Mashu}}, year = {2026}, url = {https://4ort.xyz/entity/4126-mashu}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 4126 Mashu — https://4ort.xyz/entity/4126-mashu (retrieved 2026-11-06)

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