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(21842) 1999 TH102

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Summary

(21842) 1999 TH102 is an asteroid[1].

Key Facts

  • (21842) 1999 TH102 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (21842) 1999 TH102's instance of is recorded as asteroid[3].
  • (21842) 1999 TH102's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (21842) 1999 TH102's follows is recorded as (21841) 1999 TE102[5].
  • (21842) 1999 TH102's followed by is recorded as (21843) 1999 TF105[6].
  • (21842) 1999 TH102's minor planet group is recorded as asteroid belt[7].
  • (21842) 1999 TH102's parent astronomical body is recorded as Sun[8].
  • (21842) 1999 TH102's provisional designation is recorded as 1987 OQ1[9].
  • (21842) 1999 TH102's provisional designation is recorded as 1999 TH102[10].
  • (21842) 1999 TH102's time of discovery or invention is recorded as +1999-10-02T00:00:00Z[11].
  • (21842) 1999 TH102's JPL Small-Body Database SPK-ID is recorded as 20021842[12].
  • (21842) 1999 TH102's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.19'}[13].
  • (21842) 1999 TH102's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1928398'}[14].
  • (21842) 1999 TH102's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.193740053904434'}[15].
  • (21842) 1999 TH102's absolute magnitude is recorded as {'unit': '1', 'amount': '+12.2'}[16].
  • (21842) 1999 TH102's absolute magnitude is recorded as {'unit': '1', 'amount': '+12.33'}[17].
  • (21842) 1999 TH102's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+16.39985'}[18].
  • (21842) 1999 TH102's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+16.40837866899153'}[19].
  • (21842) 1999 TH102's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+5.45'}[20].
  • (21842) 1999 TH102's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1992.321446215777'}[21].
  • (21842) 1999 TH102's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+9.458'}[22].
  • (21842) 1999 TH102's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+125.32469'}[23].
  • (21842) 1999 TH102's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+125.2886898347054'}[24].
  • (21842) 1999 TH102's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.0980787'}[25].
  • (21842) 1999 TH102's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.098660447655042'}[26].

Body

Designation and Status

(21842) 1999 TH102's instance of is recorded as asteroid[3].

References

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

Direct Wikidata claims

  1. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [2] ↑ . JPL Small-Body 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [25] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  25. [26] ↑ . 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). (21842) 1999 TH102. Retrieved October 1, 2026, from https://4ort.xyz/entity/-21842-1999-th102
MLA “(21842) 1999 TH102.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/-21842-1999-th102.
BibTeX @misc{4ortxyz_-21842-1999-th102_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21842) 1999 TH102}}, year = {2026}, url = {https://4ort.xyz/entity/-21842-1999-th102}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21842) 1999 TH102 — https://4ort.xyz/entity/-21842-1999-th102 (retrieved 2026-10-01)

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