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9009 Tirso

asteroid
Thing asteroid Q386690

Facts

26 properties
Instance of
asteroid
Follows
9008 Bohšternberk[5]
Followed by
9010 Candelo[6]
Absolute magnitude
14.3, 14.49[16][17]
Albedo
0.274
Apoapsis
2.589 astronomical unit, 2.590411032334588 astronomical unit
Argument of periapsis
177.95222 degree, 178.1510376552614 degree
Diameter
3.503 km
Discoverer or inventor
Vincenzo Zappalà[2]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
81.54106 degree, 81.48859533107294 degree[22][23]
Mean anomaly
310.38745 degree, 40.14200297173019 degree
Minor planet group
asteroid belt[7]
Named after
thyrsus[4]
Orbital eccentricity
0.14 (0.14–0.14, n=3)[13][14][15]
Orbital inclination
2.98954 degree, 2.990577973545998 degree[18][19]
Orbital period
3.41 year, 1,244.175027131073 day[20][21]
Parent astronomical body
Sun[8]
Periapsis
1.9401789 astronomical unit, 1.937369464295328 astronomical unit
Provisional designation
1984 HJ1, 1997 AO23[9][10]
Semi-major axis of an orbit
2.2643694 astronomical unit, 2.263890248314958 astronomical unit[24][25]
Significant event
naming[12]
Site of astronomical discovery
La Silla Observatory[3]
Show all 26 facts +2
Time of discovery or invention
April 23, 1984[11]
Time of periapsis
2,460,861.767562121 Julian day
🏷️ Also known as
en Tirso de 1984 HJ1 de (9009) Tirso fa سیارک ۹۰۰۹ ru 1997 AO23 ru (9009) 1984 HJ1 uk 9009 Тірсо zh 小行星9009
🔖 Identifiers · 3
Freebase ID
/m/04csfgt
JPL Small-Body Database SPK-ID
20009009
Minor Planet Center body ID
9009

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Summary

9009 Tirso 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. wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . Minor Planet Center database. 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] ↑ . 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). 9009 Tirso. Retrieved November 1, 2026, from https://4ort.xyz/entity/9009-tirso
MLA “9009 Tirso.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/9009-tirso.
BibTeX @misc{4ortxyz_9009-tirso_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{9009 Tirso}}, year = {2026}, url = {https://4ort.xyz/entity/9009-tirso}, note = {Accessed: 2026-11-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 9009 Tirso — https://4ort.xyz/entity/9009-tirso (retrieved 2026-11-01)

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