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(74850) 1999 TO63

asteroid
Place asteroid Q15187692
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Key Facts

  • Discoverer or inventor: Spacewatch[1]
  • Site of astronomical discovery: Kitt Peak National Observatory[2]
  • Follows: (74849) 1999 TP51[3]
  • Followed by: (74851) 1999 TL65[4]
  • Minor planet group: asteroid belt[5]
  • Parent astronomical body: Sun[6]
  • Provisional designation: 1999 TO63[7]
  • Time of discovery or invention: October 7, 1999[8]
  • Orbital eccentricity: 0.2055775324456816[9]
  • Absolute magnitude: 15.91[10]
  • Orbital inclination: 1.716253542068758 degree[11]
  • Orbital period: 1342.601194095645 day[12]
  • Longitude of ascending node: 154.6089840732675 degree[13]
  • Semi-major axis of an orbit: 2.381765872740658 astronomical unit[14]
  • Apoapsis: 2.871403423722017 astronomical unit[15]
  • Periapsis: 1.892128321759298 astronomical unit[16]
  • Argument of periapsis: 187.0214327989797 degree[17]
  • Mean anomaly: 77.39206065116922 degree[18]
  • Diameter: 1.791 km[19]
  • Albedo: 0.317[20]
  • Epoch: November 21, 2025[21]
  • Time of periapsis: 2460711.870352656 Julian day[22]

References

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

Direct Wikidata claims

  1. [1] ↑ . 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. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [6] ↑ . wikidata.org.
  7. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

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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). (74850) 1999 TO63. Retrieved October 29, 2026, from https://4ort.xyz/entity/-74850-1999-to63
MLA “(74850) 1999 TO63.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-74850-1999-to63.
BibTeX @misc{4ortxyz_-74850-1999-to63_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74850) 1999 TO63}}, year = {2026}, url = {https://4ort.xyz/entity/-74850-1999-to63}, note = {Accessed: 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. 22w ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Orbital period → {'unit': 'Q573', 'amount': '+1342.601194095645'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.871403423722017'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460711.870352656'}
    Orbital eccentricity → {'amount': '+0.2055775324456816'}
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Orbital eccentricity: 0.2055823781588737±0.0000000025135"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.