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(66307) 1999 JV40

asteroid
Place asteroid Q15182920
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Summary

(66307) 1999 JV40 is an asteroid[1]. (66307) 1999 JV40 is known by 5 alternative names across languages and contexts.[2]

Key Facts

  • Discoverer or inventor: Lincoln Near-Earth Asteroid Research[3]
  • Site of astronomical discovery: Experimental Test Site[4]
  • Follows: (66306) 1999 JG39[5]
  • Followed by: (66308) 1999 JX40[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 2000 UQ45[9], 1999 JV40[10], 1981 GZ[11]
  • Time of discovery or invention: May 10, 1999[12]
  • Orbital eccentricity: 0.2026575909362897[13]
  • Absolute magnitude: 14.56[14]
  • Orbital inclination: 6.432711690939611 degree[15]
  • Orbital period: 1301.170102037243 day[16]
  • Rotation period: 23.6334 hour[17]
  • Longitude of ascending node: 199.4451163341473 degree[18]
  • Semi-major axis of an orbit: 2.332511350687784 astronomical unit[19]
  • Apoapsis: 2.805212481849722 astronomical unit[20]
  • Periapsis: 1.859810219525847 astronomical unit[21]
  • Argument of periapsis: 71.37758038091926 degree[22]
  • Mean anomaly: 132.2381551717729 degree[23]
  • Diameter: 3.595 km[24]
  • Albedo: 0.198[25]
  • Epoch: November 21, 2025[26]
  • Time of periapsis: 2460522.543517061 Julian day[27]

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). (66307) 1999 JV40. Retrieved October 29, 2026, from https://4ort.xyz/entity/-66307-1999-jv40
MLA “(66307) 1999 JV40.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-66307-1999-jv40.
BibTeX @misc{4ortxyz_-66307-1999-jv40_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(66307) 1999 JV40}}, year = {2026}, url = {https://4ort.xyz/entity/-66307-1999-jv40}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (66307) 1999 JV40 — https://4ort.xyz/entity/-66307-1999-jv40 (retrieved 2026-10-29)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24w ago · LiMrBot bot · 2026-05-14 view diff on Wikidata ↗
    Periapsis → {'unit': 'Q1811', 'amount': '+1.859810219525847'}
    Jpl small-body database spk-id → 20066307
    Imported from → —
    Longitude of ascending node → {'unit': 'Q28390', 'amount': '+199.4451163341473'}
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 14.59"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.