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21433 Stekramer

asteroid
Place Asteroid Q1091089

Facts

24 properties

Identity

Instance of
asteroid
More facts +23
Follows
21432 Polingloh[4]
Followed by
21434 Stanchiang[5]
Absolute magnitude
+15.1, +15.23[16][17]
Albedo
+0.208
Apoapsis
+2.392, +2.394199618126888
Argument of periapsis
+323.11255, +323.7905873573854
Diameter
+2.536
Discoverer or inventor
Lincoln Near-Earth Asteroid Research[2]
Epoch
November 21, 2025
Longitude of ascending node
+264.51289, +264.3723087505067[22][23]
Mean anomaly
+120.59050, +118.0448049611152
Minor planet group
asteroid belt[6]
Orbital eccentricity
0.08 (0.08–0.08, n=3)[13][14][15]
Orbital inclination
+3.58794, +3.589523082818312[18][19]
Orbital period
+3.29, +1202.937931430349[20][21]
Parent astronomical body
Sun[7]
Periapsis
+2.0350287, +2.032973696396496
Provisional designation
1988 GF2, 1998 FO115, 1999 TH120[8][9][10]
Semi-major axis of an orbit
+2.2136655, +2.213586657261692
Significant event
naming[12]
Site of astronomical discovery
Experimental Test Site[3]
Time of discovery or invention
March 31, 1998[11]
Time of periapsis
+2460606.053962511
🏷️ Also known as
en 21433 Stekramer en (21433) Stekramer en Stekramer de Stekramer es Stekramer fa سیارک 21433 fa سیارک ۲۱۴۳۳ fr Stekramer pt Stekramer ru 1988 GF2 ru 1998 FO115 ru 1999 TH120 ru (21433) 1998 FO115 ru Stekramer uk 21433 Stekramer uk 21433 Стекрамер zh 小行星21433
🔖 Identifiers · 3
Freebase ID
/m/03ygt95
JPL Small-Body Database SPK-ID
20021433
Minor Planet Center body ID
21433

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

🔗 Connections
Discoverer or inventor 1
Lincoln Near-Earth Asteroid Research
Epoch 1
November 21, 2025
Followed by 1
21434 Stanchiang
Followed by (predecessor) 1
21434 Stanchiang
Follows 1
21432 Polingloh
Instance of 1
asteroid
Minor planet group 1
asteroid belt
Parent astronomical body 1
Sun
Preceded by (successor) 1
21432 Polingloh
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Summary

21433 Stekramer 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] ↑ . Minor Planet Center database. 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] ↑ . 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). 21433 Stekramer. Retrieved November 10, 2026, from https://4ort.xyz/entity/21433-stekramer
MLA “21433 Stekramer.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/21433-stekramer.
BibTeX @misc{4ortxyz_21433-stekramer_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{21433 Stekramer}}, year = {2026}, url = {https://4ort.xyz/entity/21433-stekramer}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 21433 Stekramer — https://4ort.xyz/entity/21433-stekramer (retrieved 2026-11-10)

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