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1999 SZ1

asteroid
Thing asteroid Q15193799

Facts

21 properties
Instance of
asteroid
Follows
1999 RD225[3]
Followed by
1999 ST5[4]
Absolute magnitude
+15.54[10]
Apoapsis
+2.073815135310363[15]
Argument of periapsis
+102.156150437371[17]
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[1]
Epoch
June 9, 2026[19]
Longitude of ascending node
+193.4928480310685[13]
Mean anomaly
+64.30438375375742[18]
Minor planet group
inner asteroid belt[5]
Orbital eccentricity
+0.08023002237486374[9]
Orbital inclination
+23.10950570279419[11]
Orbital period
+971.5812423737136[12]
Parent astronomical body
Sun[6]
Periapsis
+1.765765495398498[16]
Provisional designation
1999 SZ1[7]
Semi-major axis of an orbit
+1.91979031535443[14]
Site of astronomical discovery
Experimental Test Site[2]
Time of discovery or invention
September 18, 1999[8]
Time of periapsis
+2461026.952963729[20]
🏷️ Also known as
ru 1999 SZ1 zh 小行星80130
🔖 Identifiers · 2
JPL Small-Body Database SPK-ID
20080130
Minor Planet Center body ID
80130

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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 SZ1. Retrieved October 29, 2026, from https://4ort.xyz/entity/q15193799
MLA “1999 SZ1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/q15193799.
BibTeX @misc{4ortxyz_q15193799_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1999 SZ1}}, year = {2026}, url = {https://4ort.xyz/entity/q15193799}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1999 SZ1 — https://4ort.xyz/entity/q15193799 (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. 20w ago · LiMrBot bot · 2026-06-09 view diff on Wikidata ↗
    JPL Small-Body Database SPK-ID → 20080130
    Time of periapsis → {'unit': 'Q14267', 'amount': '+2461026.952963729'}
    Epoch → June 9, 2026
    Parent astronomical body → Sun
    + 21 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 15.58"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.