161P/Hartley–IRAS

comet
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161P/Hartley–IRAS

Summary

161P/Hartley–IRAS is a periodic comet[1]. 161P/Hartley–IRAS draws 9 Wikipedia views per month (periodic_comet category, ranking #27 of 183).[2]

Key Facts

  • 161P/Hartley–IRAS is credited with the discovery of Malcolm Hartley[3].
  • 161P/Hartley–IRAS is credited with the discovery of IRAS[4].
  • 161P/Hartley–IRAS's instance of is recorded as periodic comet[5].
  • 161P/Hartley–IRAS's instance of is recorded as Halley-type comet[6].
  • 161P/Hartley–IRAS's instance of is recorded as near-Earth object[7].
  • 161P/Hartley–IRAS's parent astronomical body is recorded as Sun[8].
  • 161P/Hartley–IRAS's provisional designation is recorded as 161P/2004 V2[9].
  • 161P/Hartley–IRAS's provisional designation is recorded as 161P/1983 V1[10].
  • 161P/Hartley–IRAS's provisional designation is recorded as 1984 III[11].
  • 161P/Hartley–IRAS's provisional designation is recorded as 1983v[12].
  • 161P/Hartley–IRAS's time of discovery or invention is recorded as +1983-11-04T00:00:00Z[13].
  • 161P/Hartley–IRAS's Freebase ID is recorded as /m/0bmqsq[14].
  • 161P/Hartley–IRAS's JPL Small-Body Database SPK-ID is recorded as 1000042[15].
  • 161P/Hartley–IRAS's orbital eccentricity is recorded as {'amount': '+0.8350880971909477'}[16].
  • 161P/Hartley–IRAS's absolute magnitude is recorded as {'amount': '+11.5'}[17].
  • 161P/Hartley–IRAS's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+95.69805019936666'}[18].
  • 161P/Hartley–IRAS's orbital period is recorded as {'unit': 'Q573', 'amount': '+7850.52175672687'}[19].
  • 161P/Hartley–IRAS's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+1.398165371226708'}[20].
  • 161P/Hartley–IRAS's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+7.730366119265318'}[21].
  • 161P/Hartley–IRAS's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+14.18590285239196'}[22].
  • 161P/Hartley–IRAS's periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.274829386138673'}[23].
  • 161P/Hartley–IRAS's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+47.09145237546669'}[24].
  • 161P/Hartley–IRAS's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+343.8652517154134'}[25].
  • 161P/Hartley–IRAS's NAIF ID is recorded as 1000042[26].
  • 161P/Hartley–IRAS's Minor Planet Center body ID is recorded as 161P[27].

Body

Works and Contributions

Credited discoveries include Malcolm Hartley[3], an astronomer[28], b. 1947[29], of Australia[30] and IRAS[4], a space telescope[31].

Why It Matters

161P/Hartley–IRAS draws 9 Wikipedia views per month (periodic_comet category, ranking #27 of 183).[2] 161P/Hartley–IRAS has Wikipedia articles in 5 language editions, a strong signal of global cultural recognition.[32]

References

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

Direct Wikidata claims

  1. [5] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [6] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [7] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [3] . wikidata.org.
  5. [4] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] . wikidata.org.
  12. [14] . Freebase Data Dumps. wikidata.org.
  13. [15] . JPL Small-Body Database. Retrieved . wikidata.org.
  14. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [26] . naif.jpl.nasa.gov. naif.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] . wikidata.org.

Inline context (facts about related entities)

  1. [28] . Wikidata. wikidata.org. → on this site
  2. [29] . Wikidata. wikidata.org. → on this site
  3. [30] . Wikidata. wikidata.org. → on this site
  4. [31] . Wikidata. wikidata.org. → on this site

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [32] . Wikidata sitelinks. 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). 161P/Hartley–IRAS. Retrieved May 3, 2026, from https://4ort.xyz/entity/161p-hartley-iras
MLA “161P/Hartley–IRAS.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/161p-hartley-iras.
BibTeX @misc{4ortxyz_161p-hartley-iras_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{161P/Hartley–IRAS}}, year = {2026}, url = {https://4ort.xyz/entity/161p-hartley-iras}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 161P/Hartley–IRAS — https://4ort.xyz/entity/161p-hartley-iras (retrieved 2026-05-03)

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