(21973) 1999 XP1

asteroid
Place asteroid Q5266320
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(21973) 1999 XP1

Summary

(21973) 1999 XP1 is an asteroid[1].

Key Facts

  • (21973) 1999 XP1 is credited with the discovery of Lincoln Near-Earth Asteroid Research[2].
  • (21973) 1999 XP1's instance of is recorded as asteroid[3].
  • (21973) 1999 XP1's site of astronomical discovery is recorded as Experimental Test Site[4].
  • (21973) 1999 XP1's follows is recorded as (21972) 1999 XU[5].
  • (21973) 1999 XP1's followed by is recorded as (21974) 1999 XV1[6].
  • (21973) 1999 XP1's minor planet group is recorded as asteroid belt[7].
  • (21973) 1999 XP1's parent astronomical body is recorded as Sun[8].
  • (21973) 1999 XP1's provisional designation is recorded as 1975 VO3[9].
  • (21973) 1999 XP1's provisional designation is recorded as 1991 RQ25[10].
  • (21973) 1999 XP1's provisional designation is recorded as 1999 XP1[11].
  • (21973) 1999 XP1's time of discovery or invention is recorded as +1999-12-02T00:00:00Z[12].
  • (21973) 1999 XP1's JPL Small-Body Database SPK-ID is recorded as 20021973[13].
  • (21973) 1999 XP1's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.16'}[14].
  • (21973) 1999 XP1's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1591653'}[15].
  • (21973) 1999 XP1's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.1607142478770802'}[16].
  • (21973) 1999 XP1's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.3'}[17].
  • (21973) 1999 XP1's absolute magnitude is recorded as {'unit': '1', 'amount': '+14.38'}[18].
  • (21973) 1999 XP1's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.46864'}[19].
  • (21973) 1999 XP1's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.468560652346151'}[20].
  • (21973) 1999 XP1's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q577', 'amount': '+4.03'}[21].
  • (21973) 1999 XP1's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+1468.665260805593'}[22].
  • (21973) 1999 XP1's rotation period is recorded as {'unit': 'http://www.wikidata.org/entity/Q25235', 'amount': '+258.17'}[23].
  • (21973) 1999 XP1's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+59.49794'}[24].
  • (21973) 1999 XP1's longitude of ascending node is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+59.4737115077889'}[25].
  • (21973) 1999 XP1's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.5310635'}[26].

Body

Designation and Status

(21973) 1999 XP1'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 . wikidata.org.
  13. [14] . wikidata.org.
  14. [15] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  15. [16] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  17. [18] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  19. [20] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [21] . minorplanetcenter.net. minorplanetcenter.net. 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.
  23. [24] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  24. [25] . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [26] . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

📑 Cite this page

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). (21973) 1999 XP1. Retrieved May 3, 2026, from https://4ort.xyz/entity/-21973-1999-xp1
MLA “(21973) 1999 XP1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/-21973-1999-xp1.
BibTeX @misc{4ortxyz_-21973-1999-xp1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(21973) 1999 XP1}}, year = {2026}, url = {https://4ort.xyz/entity/-21973-1999-xp1}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (21973) 1999 XP1 — https://4ort.xyz/entity/-21973-1999-xp1 (retrieved 2026-05-03)

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