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21798 Mitchweegman

asteroid
Thing Asteroid Q2614134

Facts

23 properties
Instance of
asteroid
Follows
(21797) 1999 SW11[4]
Followed by
21799 Ciociaria[5]
Absolute magnitude
14.5, 14.7[16][17]
Apoapsis
2.613 astronomical unit, 2.61234465544001 astronomical unit
Argument of periapsis
267.48432 degree, 267.7100947782434 degree
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
118.53186 degree, 118.4327868073108 degree[23]
Mean anomaly
150.34836 degree, 250.2265288399075 degree
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.16 (0.16–0.16, n=3)[13][14][15]
Orbital inclination
6.50341 degree, 6.507315917131636 degree[18][19]
Orbital period
3.36 year, 1,229.230919237537 day[20][21]
Parent astronomical body
Sun[7]
Periapsis
1.8778969 astronomical unit, 1.879106642465111 astronomical unit
Provisional designation
1979 UQ1, 1998 HA105, 1999 SZ16[8][9][10]
Rotation period
50.666 hour[22]
Semi-major axis of an orbit
2.2455460 astronomical unit, 2.245725648952561 astronomical unit
Significant event
naming[12]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
September 30, 1999[11]
Time of periapsis
2,461,375.324846839 Julian day
🏷️ Also known as
en Mitchweegman de (21798) Mitchweegman fa سیارک 21798 fa سیارک ۲۱۷۹۸ ru 1998 HA105 ru 1979 UQ1 ru 1999 SZ16 ru (21798) 1999 SZ16 uk 21798 Mitchweegman uk 21798 Мітчвігмен zh 小行星21798
🔖 Identifiers · 3
Freebase ID
/m/03y7hpc
JPL Small-Body Database SPK-ID
20021798
Minor Planet Center body ID
21798

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Summary

21798 Mitchweegman 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] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . minorplanetcenter.net. minorplanetcenter.net. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  22. [23] ↑ . 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). 21798 Mitchweegman. Retrieved November 9, 2026, from https://4ort.xyz/entity/21798-mitchweegman
MLA “21798 Mitchweegman.” 4ort.xyz Knowledge Graph, 4ort.xyz, 9 Nov. 2026, https://4ort.xyz/entity/21798-mitchweegman.
BibTeX @misc{4ortxyz_21798-mitchweegman_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21798 Mitchweegman}}, year = {2026}, url = {https://4ort.xyz/entity/21798-mitchweegman}, note = {Accessed: 2026-11-09}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21798 Mitchweegman — https://4ort.xyz/entity/21798-mitchweegman (retrieved 2026-11-09)

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