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2001 MS21

asteroid
Thing asteroid Q15190967

Facts

21 properties
Instance of
asteroid
Follows
2000 GY82[3]
Followed by
2001 MD22[4]
Absolute magnitude
+15.71[10]
Apoapsis
+2.973860677454248[15]
Argument of periapsis
+103.2778820900661[17]
Discoverer or inventor
Near-Earth Asteroid Tracking[1]
Epoch
November 21, 2025[19]
Longitude of ascending node
+92.96387781690723[13]
Mean anomaly
+278.1456159647334[18]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.104802324327076[9]
Orbital inclination
+14.60112725622929[11]
Orbital period
+1613.067293528775[12]
Parent astronomical body
Sun[6]
Periapsis
+2.40965565297273[16]
Provisional designation
2001 MS21[7]
Semi-major axis of an orbit
+2.69175816521349[14]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
June 28, 2001[8]
Time of periapsis
+2461367.268415887[20]
🏷️ Also known as
ru 2001 MS21 zh 小行星77675
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20077675
Minor Planet Center body ID
77675

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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.

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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). 2001 MS21. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15190967
MLA “2001 MS21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15190967.
BibTeX @misc{4ortxyz_q15190967_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2001 MS21}}, year = {2026}, url = {https://4ort.xyz/entity/q15190967}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 2001 MS21 — https://4ort.xyz/entity/q15190967 (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 · 2026-06-06 view diff on Wikidata ↗
    Absolute magnitude → {'amount': '+15.71'}
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.973860677454248'}
    Semi-major axis of an orbit → {'unit': 'Q1811', 'amount': '+2.69175816521349'}
    Parent astronomical body → Sun
    + 20 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.69"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.