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(100042) 1991 SJ2

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(100042) 1991 SJ2

Summary

(100042) 1991 SJ2 is an asteroid[1]. (100042) 1991 SJ2 is known by 3 alternative names across languages and contexts.[2]

Key Facts

  • (100042) 1991 SJ2 is credited with the discovery of Henry E. Holt[3].
  • (100042) 1991 SJ2's instance of is recorded as asteroid[4].
  • (100042) 1991 SJ2's site of astronomical discovery is recorded as Palomar Observatory[5].
  • (100042) 1991 SJ2's follows is recorded as (100041) 1991 RJ28[6].
  • (100042) 1991 SJ2's followed by is recorded as (100043) 1991 SE3[7].
  • (100042) 1991 SJ2's minor planet group is recorded as asteroid belt[8].
  • (100042) 1991 SJ2's parent astronomical body is recorded as Sun[9].
  • (100042) 1991 SJ2's provisional designation is recorded as 1991 SJ2[10].
  • (100042) 1991 SJ2's provisional designation is recorded as 1999 XJ186[11].
  • (100042) 1991 SJ2's time of discovery or invention is recorded as +1991-09-16T00:00:00Z[12].
  • (100042) 1991 SJ2's Freebase ID is recorded as /m/0h64zt6[13].
  • (100042) 1991 SJ2's JPL Small-Body Database SPK-ID is recorded as 20100042[14].
  • (100042) 1991 SJ2's orbital eccentricity is recorded as {'amount': '+0.2195036753714047'}[15].
  • (100042) 1991 SJ2's absolute magnitude is recorded as {'amount': '+15.8'}[16].
  • (100042) 1991 SJ2's orbital inclination is recorded as {'unit': 'Q28390', 'amount': '+8.259537888391066'}[17].
  • (100042) 1991 SJ2's orbital period is recorded as {'unit': 'Q573', 'amount': '+1372.91818137183'}[18].
  • (100042) 1991 SJ2's longitude of ascending node is recorded as {'unit': 'Q28390', 'amount': '+319.3900369821052'}[19].
  • (100042) 1991 SJ2's semi-major axis of an orbit is recorded as {'unit': 'Q1811', 'amount': '+2.417487031430818'}[20].
  • (100042) 1991 SJ2's apoapsis is recorded as {'unit': 'Q1811', 'amount': '+2.94813431999259'}[21].
  • (100042) 1991 SJ2's periapsis is recorded as {'unit': 'Q1811', 'amount': '+1.886839742869047'}[22].
  • (100042) 1991 SJ2's argument of periapsis is recorded as {'unit': 'Q28390', 'amount': '+14.8556957890715'}[23].
  • (100042) 1991 SJ2's mean anomaly is recorded as {'unit': 'Q28390', 'amount': '+43.57285330652601'}[24].
  • (100042) 1991 SJ2's diameter is recorded as {'unit': 'Q828224', 'amount': '+2.397'}[25].
  • (100042) 1991 SJ2's albedo is recorded as {'amount': '+0.177'}[26].
  • (100042) 1991 SJ2's Minor Planet Center body ID is recorded as 100042[27].

Body

Designation and Status

(100042) 1991 SJ2's instance of is recorded as asteroid[4].

Why It Matters

(100042) 1991 SJ2 is known by 3 alternative names across languages and contexts.[2]

References

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

Direct Wikidata claims

  1. [4] ↑ . 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. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [9] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [27] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (100042) 1991 SJ2. Retrieved May 3, 2026, from https://4ort.xyz/entity/100042-1991-sj2
MLA “(100042) 1991 SJ2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/100042-1991-sj2.
BibTeX @misc{4ortxyz_100042-1991-sj2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(100042) 1991 SJ2}}, year = {2026}, url = {https://4ort.xyz/entity/100042-1991-sj2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (100042) 1991 SJ2 — https://4ort.xyz/entity/100042-1991-sj2 (retrieved 2026-05-03)

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