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(72240) 2001 AL21

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(72240) 2001 AL21

Summary

(72240) 2001 AL21 is an asteroid[1].

Key Facts

  • (72240) 2001 AL21 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (72240) 2001 AL21's instance of is recorded as asteroid[3].
  • (72240) 2001 AL21's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (72240) 2001 AL21 followed (72239) 2001 AF21[5].
  • (72240) 2001 AL21 was followed by (72241) 2001 AN23[6].
  • (72240) 2001 AL21's minor planet group is recorded as asteroid belt[7].
  • (72240) 2001 AL21's parent astronomical body is recorded as Sun[8].
  • (72240) 2001 AL21's provisional designation is recorded as 2002 JE49[9].
  • (72240) 2001 AL21's provisional designation is recorded as 2001 AL21[10].
  • (72240) 2001 AL21's time of discovery or invention is recorded as January 3, 2001[11].
  • (72240) 2001 AL21's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.06767331689934618'}[12].
  • (72240) 2001 AL21's absolute magnitude is recorded as {'unit': '1', 'amount': '+15.91'}[13].
  • (72240) 2001 AL21's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+3.740197415334647'}[14].
  • (72240) 2001 AL21's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1369.07212956328'}[15].
  • (72240) 2001 AL21's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+339.5899340126463'}[16].
  • (72240) 2001 AL21's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.412970070407456'}[17].
  • (72240) 2001 AL21's apoapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.576263758650778'}[18].
  • (72240) 2001 AL21's periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.249676382164135'}[19].
  • (72240) 2001 AL21's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+67.75538153444835'}[20].
  • (72240) 2001 AL21's mean anomaly is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+177.2539466523576'}[21].
  • (72240) 2001 AL21's epoch is recorded as October 17, 2024[22].
  • (72240) 2001 AL21's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2459926.4071160643'}[23].

Body

Designation and Status

(72240) 2001 AL21'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.

Class ancestry

  1. [1] ↑ . Wikidata. 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). (72240) 2001 AL21. Retrieved May 3, 2026, from https://4ort.xyz/entity/-72240-2001-al21
MLA “(72240) 2001 AL21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-72240-2001-al21.
BibTeX @misc{4ortxyz_-72240-2001-al21_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(72240) 2001 AL21}}, year = {2026}, url = {https://4ort.xyz/entity/-72240-2001-al21}, note = {Accessed: 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. 6w ago · LiMrBot bot · 2026-05-25 view diff on Wikidata ↗
    Discoverer or inventor → Lincoln Near-Earth Asteroid Research
    Apoapsis → {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '
    Orbital inclination → {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount':
    Time of discovery or invention → +2001-01-03T00:00:00Z
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ [[Property:P1096]]: 0.06767331689934618±0.000000001904"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.