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1998 HG123

asteroid
Thing asteroid Q15192134
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Key Facts

  • Discoverer or inventor: Lowell Observatory Near-Earth-Object Search[1]
  • Site of astronomical discovery: Anderson Mesa Station[2]
  • Follows: 2001 CD19[3]
  • Followed by: 2001 CW21[4]
  • Minor planet group: asteroid belt[5]
  • Parent astronomical body: Sun[6]
  • Provisional designation: 2001 CU21[7], 1998 HG123[8]
  • Time of discovery or invention: February 1, 2001[9]
  • Orbital eccentricity: 0.09724245267072135[10]
  • Absolute magnitude: 15.51[11]
  • Orbital inclination: 7.237188354525053 degree[12]
  • Orbital period: 1360.140474668285 day[13]
  • Longitude of ascending node: 98.68833304442877 degree[14]
  • Semi-major axis of an orbit: 2.402464016836486 astronomical unit[15]
  • Apoapsis: 2.636085510286819 astronomical unit[16]
  • Periapsis: 2.168842523386152 astronomical unit[17]
  • Argument of periapsis: 163.49576924781 degree[18]
  • Mean anomaly: 109.8602123782267 degree[19]
  • Epoch: November 21, 2025[20]
  • Time of periapsis: 2460585.4296627464 Julian day[21]

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.

📑 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). 1998 HG123. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15192134
MLA “1998 HG123.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15192134.
BibTeX @misc{4ortxyz_q15192134_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1998 HG123}}, year = {2026}, url = {https://4ort.xyz/entity/q15192134}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1998 HG123 — https://4ort.xyz/entity/q15192134 (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. 21w ago · LiMrBot bot · 2026-06-07 view diff on Wikidata ↗
    Absolute magnitude → {'amount': '+15.51'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.636085510286819'}
    Semi-major axis of an orbit → {'unit': 'Q1811', 'amount': '+2.402464016836486'}
    Parent astronomical body → Sun
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.52"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.