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6440 Ransome

asteroid
Thing Asteroid Q619315

Facts

25 properties
Instance of
asteroid
Follows
6439 Tirol[5]
Followed by
6441 Milenajesenská[6]
Absolute magnitude
13.9, 14.07[16][17]
Albedo
0.257
Apoapsis
2.920 astronomical unit, 2.918507854039608 astronomical unit
Argument of periapsis
182.09354 degree, 182.1976320345715 degree
Diameter
4.557 km
Discoverer or inventor
Antonín Mrkos[2]
Epoch
November 21, 2025
Longitude of ascending node
171.97761 degree, 171.9133305868593 degree[22][23]
Mean anomaly
238.07057 degree, 235.6306657714847 degree
Minor planet group
asteroid belt[7]
Named after
Arthur Ransome[4]
Orbital eccentricity
0.19 (0.19–0.19, n=3)[13][14][15]
Orbital inclination
2.51132 degree, 2.511563609568658 degree[18][19]
Orbital period
3.85 year, 1,403.999045456394 day[20][21]
Parent astronomical body
Sun[8]
Periapsis
1.9920148 astronomical unit, 1.98916478750293 astronomical unit
Provisional designation
1988 RA2, 1992 SS12[9][10]
Semi-major axis of an orbit
2.4558781 astronomical unit, 2.453836320771269 astronomical unit
Significant event
naming[12]
Site of astronomical discovery
Kleť Observatory[3]
Time of discovery or invention
September 8, 1988[11]
Show all 25 facts +1
Time of periapsis
2,461,485.5400737245 Julian day
🏷️ Also known as
en Ransome de (6440) Ransome de 1988 RA2 fa سیارک ۶۴۴۰ ru (6440) 1988 RA2 ru 1992 SS12 ru (6440) Рансоме ru Рансоме uk 6440 Ренсом zh 小行星6440
🔖 Identifiers · 3
Freebase ID
/m/03clk72
JPL Small-Body Database SPK-ID
20006440
Minor Planet Center body ID
6440

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Summary

6440 Ransome 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] ↑ . Minor Planet Center database. wikidata.org.
  6. [7] ↑ . JPL Small-Body Database. Retrieved . ssd.jpl.nasa.gov. Provenance: wikidata.org.
  7. [8] ↑ . 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). 6440 Ransome. Retrieved November 14, 2026, from https://4ort.xyz/entity/6440-ransome
MLA “6440 Ransome.” 4ort.xyz Knowledge Graph, 4ort.xyz, 14 Nov. 2026, https://4ort.xyz/entity/6440-ransome.
BibTeX @misc{4ortxyz_6440-ransome_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{6440 Ransome}}, year = {2026}, url = {https://4ort.xyz/entity/6440-ransome}, note = {Accessed: 2026-11-14}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 6440 Ransome — https://4ort.xyz/entity/6440-ransome (retrieved 2026-11-14)

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