(137264) 1999 RT121

asteroid
Place asteroid Q8258953
Press Enter · cited answer in seconds

(137264) 1999 RT121

Summary

(137264) 1999 RT121 is an asteroid[1].

Key Facts

  • (137264) 1999 RT121 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (137264) 1999 RT121's instance of is recorded as asteroid[3].
  • (137264) 1999 RT121's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (137264) 1999 RT121's follows is recorded as (137263) 1999 RQ120[5].
  • (137264) 1999 RT121's followed by is recorded as (137265) 1999 RO125[6].
  • (137264) 1999 RT121's minor planet group is recorded as asteroid belt[7].
  • (137264) 1999 RT121's parent astronomical body is recorded as Sun[8].
  • (137264) 1999 RT121's provisional designation is recorded as 1999 RT121[9].
  • (137264) 1999 RT121's provisional designation is recorded as 2004 BY67[10].
  • (137264) 1999 RT121's time of discovery or invention is recorded as +1999-09-09T00:00:00Z[11].
  • (137264) 1999 RT121's JPL Small-Body Database SPK-ID is recorded as 20137264[12].
  • (137264) 1999 RT121's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.2156531809754627'}[13].
  • (137264) 1999 RT121's absolute magnitude is recorded as {'unit': '1', 'amount': '+16.1'}[14].
  • (137264) 1999 RT121's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+7.428959910965673'}[15].
  • (137264) 1999 RT121's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1211.519797974436'}[16].
  • (137264) 1999 RT121's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+259.0081069670001'}[17].
  • (137264) 1999 RT121's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.22410212872358'}[18].
  • (137264) 1999 RT121's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.703736827597119'}[19].
  • (137264) 1999 RT121's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+1.744467429850042'}[20].
  • (137264) 1999 RT121's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+122.8755252688137'}[21].
  • (137264) 1999 RT121's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+112.0764452572029'}[22].
  • (137264) 1999 RT121's Minor Planet Center body ID is recorded as 137264[23].
  • (137264) 1999 RT121's epoch is recorded as March 31, 2024[24].
  • (137264) 1999 RT121's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460023.3254657895'}[25].

Body

Designation and Status

(137264) 1999 RT121'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] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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] . wikidata.org.
  23. [24] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (137264) 1999 RT121. Retrieved May 3, 2026, from https://4ort.xyz/entity/-137264-1999-rt121
MLA “(137264) 1999 RT121.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-137264-1999-rt121.
BibTeX @misc{4ortxyz_-137264-1999-rt121_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(137264) 1999 RT121}}, year = {2026}, url = {https://4ort.xyz/entity/-137264-1999-rt121}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (137264) 1999 RT121 — https://4ort.xyz/entity/-137264-1999-rt121 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/-137264-1999-rt121 · Last refreshed: