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17445 Avatcha

asteroid
Place Asteroid Q1064087

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
(17444) 1989 VQ1[4]
Followed by
17446 Mopaku[5]
Absolute magnitude
12.7 (12.5–12.7, n=3)[16][17][18]
Albedo
0.038
Apoapsis
3.997, 3.99629625753805
Argument of periapsis
47.08954, 46.65205253937274
Diameter
20.495
Discoverer or inventor
Eric Walter Elst[2]
Epoch
November 21, 2025
Longitude of ascending node
311.76156, 311.7038860591868[23]
Mean anomaly
68.45404, 200.2659227727371
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.26 (0.26–0.26, n=3)[13][14][15]
Orbital inclination
15.17871, 15.17615154687398[19][20]
Orbital period
5.62, 2051.41071458403[21][22]
Parent astronomical body
Sun[7]
Periapsis
2.3272256, 2.322962283438578
Provisional designation
1977 US2, 1989 YC5, 1996 CH9[8][9][10]
Semi-major axis of an orbit
3.1623199, 3.159629270488314
Significant event
naming[12]
Site of astronomical discovery
Haute-Provence Observatory[3]
Time of discovery or invention
December 28, 1989[11]
Time of periapsis
2461910.722770856
🏷️ Also known as
en 17445 Avatcha en (17445) Avatcha en Avatcha de Avatcha es Avatcha fa سیارک 17445 fa سیارک ۱۷۴۴۵ fr Avatcha pt Avatcha ru (17445) 1989 YC5 ru 1977 US2 ru 1989 YC5 ru 1996 CH9 ru Avatcha uk 17445 Avatcha uk 17445 Аватха zh 小行星17445
🔖 Identifiers · 3
Freebase ID
/m/03y0w87
JPL Small-Body Database SPK-ID
20017445
Minor Planet Center body ID
17445

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

🔗 Connections
Discoverer or inventor 1
Eric Walter Elst
Epoch 1
November 21, 2025
Followed by 1
17446 Mopaku
Followed by (predecessor) 1
17446 Mopaku
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Haute-Provence Observatory
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Summary

17445 Avatcha is an asteroid[1].

Related Entities

Eric Walter Elst

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] ↑ . 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. 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] ↑ . wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . 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.

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). 17445 Avatcha. Retrieved November 8, 2026, from https://4ort.xyz/entity/17445-avatcha
MLA “17445 Avatcha.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Nov. 2026, https://4ort.xyz/entity/17445-avatcha.
BibTeX @misc{4ortxyz_17445-avatcha_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{17445 Avatcha}}, year = {2026}, url = {https://4ort.xyz/entity/17445-avatcha}, note = {Accessed: 2026-11-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 17445 Avatcha — https://4ort.xyz/entity/17445-avatcha (retrieved 2026-11-08)

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