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(138657) 2000 RU81

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(138657) 2000 RU81

Summary

(138657) 2000 RU81 is an asteroid[1].

Key Facts

  • (138657) 2000 RU81 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (138657) 2000 RU81's instance of is recorded as asteroid[3].
  • (138657) 2000 RU81's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (138657) 2000 RU81's follows is recorded as (138656) 2000 RQ81[5].
  • (138657) 2000 RU81's followed by is recorded as (138658) 2000 RA84[6].
  • (138657) 2000 RU81's minor planet group is recorded as asteroid belt[7].
  • (138657) 2000 RU81's parent astronomical body is recorded as Sun[8].
  • (138657) 2000 RU81's provisional designation is recorded as 2000 RU81[9].
  • (138657) 2000 RU81's time of discovery or invention is recorded as +2000-09-01T00:00:00Z[10].
  • (138657) 2000 RU81's JPL Small-Body Database SPK-ID is recorded as 20138657[11].
  • (138657) 2000 RU81's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1530981282576581'}[12].
  • (138657) 2000 RU81's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.57'}[13].
  • (138657) 2000 RU81's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+13.37798275879214'}[14].
  • (138657) 2000 RU81's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+2060.559087221377'}[15].
  • (138657) 2000 RU81's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+295.465662559818'}[16].
  • (138657) 2000 RU81's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.169015989585551'}[17].
  • (138657) 2000 RU81's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+3.654186406009689'}[18].
  • (138657) 2000 RU81's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.683845573161413'}[19].
  • (138657) 2000 RU81's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+10.40439095921838'}[20].
  • (138657) 2000 RU81's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+94.96057652603515'}[21].
  • (138657) 2000 RU81's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+8.908'}[22].
  • (138657) 2000 RU81's albedo is recorded as {'unit': '1', 'amount': '+0.041'}[23].
  • (138657) 2000 RU81's Minor Planet Center body ID is recorded as 138657[24].
  • (138657) 2000 RU81's epoch is recorded as March 31, 2024[25].
  • (138657) 2000 RU81's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2459856.9670030875'}[26].

Body

Designation and Status

(138657) 2000 RU81'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 . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . wikidata.org.
  24. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). (138657) 2000 RU81. Retrieved May 3, 2026, from https://4ort.xyz/entity/-138657-2000-ru81
MLA “(138657) 2000 RU81.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-138657-2000-ru81.
BibTeX @misc{4ortxyz_-138657-2000-ru81_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(138657) 2000 RU81}}, year = {2026}, url = {https://4ort.xyz/entity/-138657-2000-ru81}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (138657) 2000 RU81 — https://4ort.xyz/entity/-138657-2000-ru81 (retrieved 2026-05-03)

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