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1999 XR103

asteroid
Thing asteroid Q15189497

Facts

21 properties
Instance of
asteroid
Follows
1999 XQ103[3]
Followed by
1999 XU103[4]
Absolute magnitude
+16.27[10]
Apoapsis
+2.851897078191625[15]
Argument of periapsis
+15.41394380413989[17]
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[1]
Epoch
November 21, 2025[19]
Longitude of ascending node
+8.386260394924692[13]
Mean anomaly
+74.88238745615801[18]
Minor planet group
asteroid belt[5]
Orbital eccentricity
+0.1977225639119631[9]
Orbital inclination
+1.29107621097279[11]
Orbital period
+1342.038121035075[12]
Parent astronomical body
Sun[6]
Periapsis
+1.910302723533493[16]
Provisional designation
1999 XR103[7]
Semi-major axis of an orbit
+2.381099900862559[14]
Site of astronomical discovery
Experimental Test Site[2]
Time of discovery or invention
December 7, 1999[8]
Time of periapsis
+2460721.347170666[20]
🏷️ Also known as
ru 1999 XR103 zh 小行星75406
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20075406
Minor Planet Center body ID
75406

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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). 1999 XR103. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15189497
MLA “1999 XR103.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15189497.
BibTeX @misc{4ortxyz_q15189497_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 XR103}}, year = {2026}, url = {https://4ort.xyz/entity/q15189497}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 XR103 — https://4ort.xyz/entity/q15189497 (retrieved 2026-10-29)

Canonical URL: https://4ort.xyz/entity/q15189497 · Last refreshed:

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 · 2026-06-05 view diff on Wikidata ↗
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.851897078191625'}
    Provisional designation → 1999 XR103
    JPL Small-Body Database SPK-ID → 20075406
    Periapsis → {'unit': 'Q1811', 'amount': '+1.910302723533493'}
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 16.26"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.