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19155 Lifeson

asteroid
Thing asteroid Q145839

Facts

26 properties
Instance of
asteroid
Follows
(19154) 1990 QX4[4]
Followed by
19156 Heco[5]
Absolute magnitude
13.4 (13.2–13.4, n=3)[16][17][18]
Albedo
0.291
Apoapsis
3.146 astronomical unit, 3.144629844351464 astronomical unit
Argument of periapsis
61.13634 degree, 61.4754705710651 degree
Diameter
5.913 km
Discoverer or inventor
Brian P. Roman[2]
Epoch
November 21, 2025
Imported from
wholeness_audit_2026-05-02_v2
Longitude of ascending node
307.85327 degree, 307.6767442574128 degree
Mean anomaly
220.12587 degree, 163.1573832081096 degree
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.22 (0.22–0.22, n=3)[13][14][15]
Orbital inclination
12.28296 degree, 12.30070325498179 degree[19][20]
Orbital period
4.16 year, 1,518.157649009044 day[21][22]
Parent astronomical body
Sun[7]
Periapsis
2.0307718 astronomical unit, 2.025589391326208 astronomical unit
Provisional designation
1969 PG, 1990 SX3, 1998 QK7[8][9][10]
Rotation period
5.079 hour[23]
Semi-major axis of an orbit
2.5885896 astronomical unit, 2.585109617838836 astronomical unit
Significant event
naming[12]
Site of astronomical discovery
Palomar Observatory[3]
Show all 26 facts +2
Time of discovery or invention
September 22, 1990[11]
Time of periapsis
2,460,312.4482519175 Julian day
🏷️ Also known as
en Lifeson de (19155) Lifeson fa سیارک ۱۹۱۵۵ ru 1998 QK7 ru 1969 PG ru (19155) 1990 SX3 ru 1990 SX3 uk 19155 Лайфсон zh 小行星19155
🔖 Identifiers · 3
Freebase ID
/m/047dtrq
JPL Small-Body Database SPK-ID
20019155
Minor Planet Center body ID
19155

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Summary

19155 Lifeson is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . Minor Planet Center database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  2. [3] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Minor Planet Center database. wikidata.org.
  5. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  14. [15] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . 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.

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). 19155 Lifeson. Retrieved November 6, 2026, from https://4ort.xyz/entity/19155-lifeson
MLA “19155 Lifeson.” 4ort.xyz Knowledge Graph, 4ort.xyz, 6 Nov. 2026, https://4ort.xyz/entity/19155-lifeson.
BibTeX @misc{4ortxyz_19155-lifeson_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{19155 Lifeson}}, year = {2026}, url = {https://4ort.xyz/entity/19155-lifeson}, note = {Accessed: 2026-11-06}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 19155 Lifeson — https://4ort.xyz/entity/19155-lifeson (retrieved 2026-11-06)

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