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(78828) 2003 QB21

asteroid
Thing Asteroid Q8335650

Facts

21 properties
Instance of
asteroid
Follows
1995 FZ16[4]
Followed by
1997 CT13[5]
Absolute magnitude
14.46[12]
Apoapsis
3.786300358648994 astronomical unit[17]
Argument of periapsis
254.3219280179339 degree[19]
Discoverer or inventor
Near-Earth Asteroid Tracking[2]
Epoch
October 17, 2024[21]
Longitude of ascending node
11.95064052751952 degree[15]
Mean anomaly
13.07121044145427 degree[20]
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.219854407082776[11]
Orbital inclination
15.86093639263467 degree[13]
Orbital period
1,997.37229424396 day[14]
Parent astronomical body
Sun[7]
Periapsis
2.421490237777594 astronomical unit[18]
Provisional designation
1996 KT2, 2003 QB21[8][9]
Semi-major axis of an orbit
3.103895298213294 astronomical unit[16]
Site of astronomical discovery
Palomar Observatory[3]
Time of discovery or invention
August 22, 2003[10]
Time of periapsis
2,460,527.977573367 Julian day[22]
🏷️ Also known as
ar (78828) 2003 QB21 ru 1996 KT2 ru 2003 QB21 zh 小行星78828
🔖 Identifiers · 3
Google Knowledge Graph ID
/g/11hdvdr39n
JPL Small-Body Database SPK-ID
20078828
Minor Planet Center body ID
78828

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Summary

(78828) 2003 QB21 is an asteroid[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . JPL Small-Body 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] ↑ . 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] ↑ . 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] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  15. [16] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  16. [17] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  19. [20] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. 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.

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). (78828) 2003 QB21. Retrieved May 7, 2026, from https://4ort.xyz/entity/q8335650
MLA “(78828) 2003 QB21.” 4ort.xyz Knowledge Graph, 4ort.xyz, 7 May. 2026, https://4ort.xyz/entity/q8335650.
BibTeX @misc{4ortxyz_q8335650_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{(78828) 2003 QB21}}, year = {2026}, url = {https://4ort.xyz/entity/q8335650}, note = {Accessed: 2026-05-07}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): (78828) 2003 QB21 — https://4ort.xyz/entity/q8335650 (retrieved 2026-05-07)

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