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(72821) 2001 HW2

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Place asteroid Q15186610
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(72821) 2001 HW2

Summary

(72821) 2001 HW2 is an asteroid[1].

Key Facts

  • (72821) 2001 HW2 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (72821) 2001 HW2's instance of is recorded as asteroid[3].
  • (72821) 2001 HW2's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (72821) 2001 HW2 followed (72820) 2001 HR1[5].
  • (72821) 2001 HW2 was followed by (72822) 2001 HF3[6].
  • (72821) 2001 HW2's minor planet group is recorded as asteroid belt[7].
  • (72821) 2001 HW2's parent astronomical body is recorded as Sun[8].
  • (72821) 2001 HW2's provisional designation is recorded as 2001 HW2[9].
  • (72821) 2001 HW2's time of discovery or invention is recorded as April 17, 2001[10].
  • (72821) 2001 HW2's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.04748131171561915'}[11].
  • (72821) 2001 HW2's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.47'}[12].
  • (72821) 2001 HW2's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.878655927921088'}[13].
  • (72821) 2001 HW2's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1697.414106186844'}[14].
  • (72821) 2001 HW2's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+215.569126575695'}[15].
  • (72821) 2001 HW2's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.784793009515417'}[16].
  • (72821) 2001 HW2's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.917018634463696'}[17].
  • (72821) 2001 HW2's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.652567384567138'}[18].
  • (72821) 2001 HW2's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+25.89165228869467'}[19].
  • (72821) 2001 HW2's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+350.856257169234'}[20].
  • (72821) 2001 HW2's diameter is recorded as {'unit': 'http://www.wikidata.org/entity/Q828224', 'amount': '+4.691'}[21].
  • (72821) 2001 HW2's albedo is recorded as {'unit': '1', 'amount': '+0.051'}[22].
  • (72821) 2001 HW2's epoch is recorded as October 17, 2024[23].
  • (72821) 2001 HW2's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2460643.6131057343'}[24].

Body

Designation and Status

(72821) 2001 HW2's instance of is recorded as asteroid[3].

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. [2] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (72821) 2001 HW2. Retrieved May 3, 2026, from https://4ort.xyz/entity/-72821-2001-hw2
MLA “(72821) 2001 HW2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-72821-2001-hw2.
BibTeX @misc{4ortxyz_-72821-2001-hw2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(72821) 2001 HW2}}, year = {2026}, url = {https://4ort.xyz/entity/-72821-2001-hw2}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (72821) 2001 HW2 — https://4ort.xyz/entity/-72821-2001-hw2 (retrieved 2026-05-03)

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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. 16d ago · LiMrBot bot · 2026-05-18 view diff on Wikidata ↗
    Absolute magnitude → {'unit': '1', 'amount': '+15.47'}
    Periapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Time of discovery or invention → +2001-04-17T00:00:00Z
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    + 23 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1096]]: 0.04748131171561915±0.0000000026129"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.