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(74772) 1999 RT229

asteroid
Place asteroid Q15187979
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Summary

(74772) 1999 RT229 is an asteroid[1]. (74772) 1999 RT229 is known by 4 alternative names across languages and contexts.[2]

Key Facts

  • Discoverer or inventor: Catalina Sky Survey[3]
  • Site of astronomical discovery: Catalina Station[4]
  • Follows: (74771) 1999 RX224[5]
  • Followed by: (74773) 1999 RX235[6]
  • Minor planet group: asteroid belt[7]
  • Parent astronomical body: Sun[8]
  • Provisional designation: 2002 GF22[9], 1999 RT229[10]
  • Time of discovery or invention: September 8, 1999[11]
  • Orbital eccentricity: 0.2221230822164373[12]
  • Absolute magnitude: 16.17[13]
  • Orbital inclination: 4.590844428812453 degree[14]
  • Orbital period: 1303.690986733131 day[15]
  • Longitude of ascending node: 95.38778654713838 degree[16]
  • Semi-major axis of an orbit: 2.335523047694439 astronomical unit[17]
  • Apoapsis: 2.854296625635855 astronomical unit[18]
  • Periapsis: 1.816749469753023 astronomical unit[19]
  • Argument of periapsis: 215.6309511988161 degree[20]
  • Mean anomaly: 141.7614851466786 degree[21]
  • Diameter: 3.549 km[22]
  • Albedo: 0.068[23]
  • Epoch: November 21, 2025[24]
  • Time of periapsis: 2460487.1300820787 Julian day[25]

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. [4] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [8] ↑ . wikidata.org.
  7. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  8. [10] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [11] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  10. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  11. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  20. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [25] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata aliases. 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). (74772) 1999 RT229. Retrieved October 29, 2026, from https://4ort.xyz/entity/-74772-1999-rt229
MLA “(74772) 1999 RT229.” 4ort.xyz Knowledge Graph, 4ort.xyz, 29 Oct. 2026, https://4ort.xyz/entity/-74772-1999-rt229.
BibTeX @misc{4ortxyz_-74772-1999-rt229_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(74772) 1999 RT229}}, year = {2026}, url = {https://4ort.xyz/entity/-74772-1999-rt229}, note = {Accessed: 2026-10-29}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (74772) 1999 RT229 — https://4ort.xyz/entity/-74772-1999-rt229 (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 · 2026-05-25 view diff on Wikidata ↗
    Albedo → {'amount': '+0.068'}
    Discoverer or inventor → Catalina Sky Survey
    Apoapsis → {'unit': 'Q1811', 'amount': '+2.854296625635855'}
    Orbital inclination → {'unit': 'Q28390', 'amount': '+4.590844428812453'}
    + 22 other properties edited (see Wikidata diff for full list)
    "/* wbremoveclaims-remove:1| */ Absolute magnitude: 16.23"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.