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(70970) 1999 XH20

asteroid
Place asteroid Q15183250
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Key Facts

  • Discoverer or inventor: Lincoln Near-Earth Asteroid Research[1]
  • Site of astronomical discovery: Experimental Test Site[2]
  • Follows: (70969) 1999 XG20[3]
  • Followed by: (70971) 1999 XL20[4]
  • Minor planet group: asteroid belt[5]
  • Parent astronomical body: Sun[6]
  • Provisional designation: 2000 XF50[7], 1999 XH20[8]
  • Time of discovery or invention: December 5, 1999[9]
  • Orbital eccentricity: 0.05458340829634242[10]
  • Absolute magnitude: 13.99[11]
  • Orbital inclination: 9.180366459439162 degree[12]
  • Orbital period: 1588.38411183285 day[13]
  • Rotation period: 9.854 hour[14]
  • Longitude of ascending node: 57.50318312360975 degree[15]
  • Semi-major axis of an orbit: 2.664228102374261 astronomical unit[16]
  • Apoapsis: 2.809650752680744 astronomical unit[17]
  • Periapsis: 2.518805452067777 astronomical unit[18]
  • Argument of periapsis: 86.7903964794822 degree[19]
  • Mean anomaly: 254.2999828608536 degree[20]
  • Diameter: 4.494 km[21]
  • Albedo: 0.264[22]
  • Epoch: November 21, 2025[23]
  • Time of periapsis: 2461466.8672995674 Julian day[24]

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.
  23. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  24. [24] ↑ . 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). (70970) 1999 XH20. Retrieved October 29, 2026, from https://4ort.xyz/entity/-70970-1999-xh20
MLA “(70970) 1999 XH20.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-70970-1999-xh20.
BibTeX @misc{4ortxyz_-70970-1999-xh20_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(70970) 1999 XH20}}, year = {2026}, url = {https://4ort.xyz/entity/-70970-1999-xh20}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (70970) 1999 XH20 — https://4ort.xyz/entity/-70970-1999-xh20 (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 ↗
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461466.8672995674'}
    Epoch → November 21, 2025
    Periapsis → {'unit': 'Q1811', 'amount': '+2.518805452067777'}
    Diameter → {'unit': 'Q828224', 'amount': '+4.494'}
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 14.01"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.