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39463 Phyleus

Jupiter trojan
Asteroid Q2524273

Facts

26 properties

Identity

Instance of
asteroid
More facts +25
Follows
(39462) 5175 T-3[7]
Followed by
39464 Pöppelmann[8]
Absolute magnitude
12.4, 12.61[20][21]
Albedo
0.127
Apoapsis
5.616 au, 5.657326652073992 au
Argument of periapsis
278.28581°, 279.3054951831982°
Diameter
12.917 km
Discoverer or inventor
Cornelis Johannes van Houten, Ingrid van Houten-Groeneveld, Tom Gehrels, Palomar Observatory[2][3][4][5]
Epoch
November 21, 2025
Lagrangian point
L4-Jupiter-Sun[19]
Longitude of ascending node
143.54059°, 143.5214410303887°
Mean anomaly
253.28165°, 126.2029452172954°
Minor planet group
Jupiter trojan, Greek camp trojan asteroid[9][10]
Orbital eccentricity
0.09 (0.09–0.09, n=3)[16][17][18]
Orbital inclination
5.76477°, 5.757801915144046°[22][23]
Orbital period
11.76 year, 4,330.2247849719 day
Parent astronomical body
Sun[11]
Periapsis
4.7274280 au, 4.741188733353892 au
Provisional designation
1973 SZ, 1998 YP28[12][13]
Rotation period
10.46 h
Semi-major axis of an orbit
5.1717994 au, 5.199257692713942 au
Significant event
naming[15]
Site of astronomical discovery
Palomar Observatory[6]
Time of discovery or invention
September 19, 1973[14]
Time of periapsis
2,459,482.4802185656 Julian day
🏷️ Also known as
en 39463 Phyleus en (39463) Phyleus ar فيليوس 39463 de (39463) Phyleus de (39463) Phylée es (39463) Phyleus fa سیارک 39463 fa سیارک ۳۹۴۶۳ fr (39463) Phyleus pt (39463) Phyleus ru 1973 SZ ru 1998 YP28 ru (39463) 1973 SZ ru (39463) Phyleus ru (39463) Филей ru Phyleus ru Филей zh 小行星39463
🔖 Identifiers · 3
Freebase ID
/m/03y7_83
JPL Small-Body Database SPK-ID
20039463
Minor Planet Center body ID
39463

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🔗 Connections
Discoverer or inventor 4
Palomar Observatory, Tom Gehrels, Ingrid van Houten-Groeneveld, Cornelis Johannes van Houten
Epoch 1
November 21, 2025
Followed by 1
39464 Pöppelmann
Followed by (predecessor) 1
39464 Pöppelmann
Instance of 1
asteroid
Minor planet group 1
Jupiter trojan
Parent astronomical body 1
Sun
Site of astronomical discovery 1
Palomar Observatory
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Summary

39463 Phyleus is an asteroid[1].

Related Entities

Cornelis Johannes van Houten Ingrid van Houten-Groeneveld Tom Gehrels

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. wikidata.org.
  2. [3] ↑ . Minor Planet Center database. wikidata.org.
  3. [4] ↑ . Minor Planet Center database. wikidata.org.
  4. [5] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Minor Planet Center database. wikidata.org.
  8. [9] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  9. [10] ↑ . minorplanetcenter.org. minorplanetcenter.org. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  12. [13] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . 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] ↑ . wikidata.org.
  19. [20] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  20. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  21. [22] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  22. [23] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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). 39463 Phyleus. Retrieved November 12, 2026, from https://4ort.xyz/entity/39463-phyleus
MLA “39463 Phyleus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 12 Nov. 2026, https://4ort.xyz/entity/39463-phyleus.
BibTeX @misc{4ortxyz_39463-phyleus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{39463 Phyleus}}, year = {2026}, url = {https://4ort.xyz/entity/39463-phyleus}, note = {Accessed: 2026-11-12}}
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