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1999 XM154

asteroid
Thing Asteroid Q15193558

Facts

22 properties
Instance of
asteroid
Follows
1978 WD19[3]
Followed by
1999 XT154[4]
Absolute magnitude
+15.7[11]
Apoapsis
+2.637805432005952[17]
Argument of periapsis
+231.5111298758867[19]
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[1]
Epoch
June 9, 2026[21]
Longitude of ascending node
+100.7936519952738[15]
Mean anomaly
+271.7831858590156[20]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1385604431141349[10]
Orbital inclination
+6.841357202055838[12]
Orbital period
+1288.037263752191[13]
Parent astronomical body
Sun[6]
Periapsis
+1.995774538138023[18]
Provisional designation
2001 FU114, 1999 XM154[7][8]
Rotation period
+5.128[14]
Semi-major axis of an orbit
+2.316789985071988[16]
Site of astronomical discovery
Experimental Test Site[2]
Time of discovery or invention
December 8, 1999[9]
Time of periapsis
+2461516.12928862[22]
🏷️ Also known as
ru 1999 XM154 ru 2001 FU114 zh 小行星80371
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20080371
Minor Planet Center body ID
80371

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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.
  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.

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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). 1999 XM154. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15193558
MLA “1999 XM154.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15193558.
BibTeX @misc{4ortxyz_q15193558_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XM154}}, year = {2026}, url = {https://4ort.xyz/entity/q15193558}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XM154 — https://4ort.xyz/entity/q15193558 (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. 22w ago · LiMrBot bot · 2026-06-09 view diff on Wikidata ↗
    JPL Small-Body Database SPK-ID → 20080371
    Time of periapsis → 2,461,516.129289 Julian day
    Parent astronomical body → Sun
    Longitude of ascending node → 100.793652 degree
    + 20 other properties edited (see Wikidata diff for full list)
    "Removed claim: Absolute magnitude: 15.69"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.