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(70984) 1999 XW27

asteroid
Place asteroid Q15183213
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Summary

(70984) 1999 XW27 is an asteroid[1]. (70984) 1999 XW27 is known by 4 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: (70983) 1999 XB27[5]
  • Followed by: (70985) 1999 XA28[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 1999 XW27[9], 1995 YR3[10]
  • Time of discovery or invention: December 6, 1999[11]
  • Orbital eccentricity: 0.2907375482135924[12]
  • Absolute magnitude: 15.93[13]
  • Orbital inclination: 6.770261854847657 degree[14]
  • Orbital period: 1504.44695275122 day[15]
  • Longitude of ascending node: 97.68377460777316 degree[16]
  • Semi-major axis of an orbit: 2.569521769195642 astronomical unit[17]
  • Apoapsis: 3.316578228453035 astronomical unit[18]
  • Periapsis: 1.822465309938249 astronomical unit[19]
  • Argument of periapsis: 335.7495520764899 degree[20]
  • Mean anomaly: 100.6237527173376 degree[21]
  • Epoch: November 21, 2025[22]
  • Time of periapsis: 2460579.9913940276 Julian day[23]

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.

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). (70984) 1999 XW27. Retrieved October 29, 2026, from https://4ort.xyz/entity/-70984-1999-xw27
MLA “(70984) 1999 XW27.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-70984-1999-xw27.
BibTeX @misc{4ortxyz_-70984-1999-xw27_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70984) 1999 XW27}}, year = {2026}, url = {https://4ort.xyz/entity/-70984-1999-xw27}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70984) 1999 XW27 — https://4ort.xyz/entity/-70984-1999-xw27 (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 ↗
    Orbital eccentricity → {'amount': '+0.2907375482135924'}
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2460579.9913940276'}
    Site of astronomical discovery → Experimental Test Site
    Discoverer or inventor → Lincoln Near-Earth Asteroid Research
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.94"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.