Home › Entities › asteroid › 73491 Robmatson

73491 Robmatson

asteroid
Place asteroid Q2711408

Facts

23 properties

Identity

Instance of
asteroid
More facts +22
Follows
(73490) 2002 PR123[4]
Followed by
(73492) 2002 QE28[5]
Absolute magnitude
+14.8, +14.95[13][14]
Apoapsis
+3.006185759209451[21]
Argument of periapsis
+170.9, +170.920090282787[23][24]
Discoverer or inventor
Sebastian F. Hönig[1]
Epoch
November 21, 2025[27]
Longitude of ascending node
+327.2, +327.0796073535927[18][19]
Mean anomaly
+161.5, +304.1232699966162[25][26]
Minor planet group
asteroid belt[6]
Named after
Robert Matson[3]
Orbital eccentricity
+0.13, +0.1298310236244635[11][12]
Orbital inclination
+12.9, +12.87164434472218[15][16]
Orbital period
+1585.265116098148[17]
Parent astronomical body
Sun[7]
Periapsis
+2.315292756340066[22]
Provisional designation
2002 PO164[8]
Semi-major axis of an orbit
+2.660739257774758[20]
Significant event
naming[10]
Site of astronomical discovery
Palomar Observatory[2]
Time of discovery or invention
August 8, 2002[9]
Time of periapsis
+2461246.5539746555[28]
🏷️ Also known as
en 73491 Robmatson en Robmatson de (73491) Robmatson fa سیارک 73491 fa سیارک ۷۳۴۹۱ ru 2002 PO164 ru (73491) 2002 PO164 ru Robmatson uk 73491 Robmatson uk 73491 Робметсон zh 小行星73491
🔖 Identifiers · 3
Freebase ID
/m/03y85tt
JPL Small-Body Database SPK-ID
20073491
Minor Planet Center body ID
73491

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Discoverer or inventor 1
Sebastian F. Hönig
Epoch 1
November 21, 2025
Followed by 1
(73492) 2002 QE28
Followed by (predecessor) 1
(73492) 2002 QE28
Follows 1
(73490) 2002 PR123
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Named after 1
Robert Matson
Parent astronomical body 1
Sun
Preceded by (successor) 1
(73490) 2002 PR123
Site of astronomical discovery 1
Palomar Observatory
← Inferred from 1
Robert Matson
Press Enter · cited answer in seconds

References

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

Direct Wikidata claims

  1. [1] ↑ . Minor Planet Center 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] ↑ . wikidata.org.
  6. [6] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [7] ↑ . 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] ↑ . wikidata.org.
  11. [11] ↑ . wikidata.org.
  12. [12] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  13. [13] ↑ . wikidata.org.
  14. [14] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [15] ↑ . 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] ↑ . 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.
  21. [21] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [22] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  23. [23] ↑ . wikidata.org.
  24. [24] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  25. [25] ↑ . wikidata.org.
  26. [26] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  27. [27] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  28. [28] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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). 73491 Robmatson. Retrieved November 2, 2026, from https://4ort.xyz/entity/73491-robmatson
MLA “73491 Robmatson.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/73491-robmatson.
BibTeX @misc{4ortxyz_73491-robmatson_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{73491 Robmatson}}, year = {2026}, url = {https://4ort.xyz/entity/73491-robmatson}, note = {Accessed: 2026-11-02}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 73491 Robmatson — https://4ort.xyz/entity/73491-robmatson (retrieved 2026-11-02)

Canonical URL: https://4ort.xyz/entity/73491-robmatson · Last refreshed:

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. 26w ago · Shuaib-bot bot · 2026-05-04 view diff on Wikidata ↗
    Discoverer or inventor → Sebastian F. Hönig
    Orbital inclination → —
    Orbital period → {'unit': 'Q573', 'amount': '+1585.265116098148'}
    Minor planet center body id → —
    + 49 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update:0| */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.