BD+20°2457 c

extrasolar planet
Place exoplanet Q898382
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BD+20°2457 c

Summary

BD+20°2457 c is an exoplanet[1].

Key Facts

  • BD+20°2457 c's image is recorded as BD+20 2457 C planet.png[2].
  • BD+20°2457 c's instance of is recorded as exoplanet[3].
  • BD+20°2457 c's constellation is recorded as Leo[4].
  • BD+20°2457 c's parent astronomical body is recorded as BD+20°2457[5].
  • BD+20°2457 c's catalog code is recorded as BD+20 2457c[6].
  • BD+20°2457 c's catalog code is recorded as TIC 95359428c[7].
  • BD+20°2457 c's time of discovery or invention is recorded as +2009-06-10T00:00:00Z[8].
  • BD+20°2457 c's time of discovery or invention is recorded as +2009-12-00T00:00:00Z[9].
  • BD+20°2457 c's Freebase ID is recorded as /m/06zn6rn[10].
  • BD+20°2457 c's discovery method is recorded as Doppler spectroscopy[11].
  • BD+20°2457 c's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.18'}[12].
  • BD+20°2457 c's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+12.47'}[13].
  • BD+20°2457 c's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+12.47'}[14].
  • BD+20°2457 c's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+621.99'}[15].
  • BD+20°2457 c's angular distance is recorded as {'unit': 'http://www.wikidata.org/entity/Q829073', 'amount': '+0.01005'}[16].
  • BD+20°2457 c's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+0.6787'}[17].
  • BD+20°2457 c's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.01'}[18].
  • BD+20°2457 c's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+126.02'}[19].
  • BD+20°2457 c's SIMBAD ID is recorded as BD+20 2457c[20].
  • BD+20°2457 c's Wolfram Language entity code is recorded as Entity["Exoplanet", "BDPlus20Degree2457c"][21].
  • BD+20°2457 c's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as bd_20_2457_c--555[22].
  • BD+20°2457 c's NASA Exoplanet Archive ID is recorded as BD+20 2457 c[23].
  • BD+20°2457 c's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+154.18694660257628'}[24].
  • BD+20°2457 c's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+19.89139167385556'}[25].
  • BD+20°2457 c's epoch is recorded as J2000.0[26].

Body

Designation and Status

BD+20°2457 c's instance of is recorded as exoplanet[3].

History and Context

Catalog codes include BD+20 2457c[6] and TIC 95359428c[7].

References

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

Direct Wikidata claims

  1. [2] . wikidata.org.
  2. [3] . SIMBAD. wikidata.org.
  3. [4] . wikidata.org.
  4. [5] . SIMBAD. wikidata.org.
  5. [6] . SIMBAD. wikidata.org.
  6. [7] . Exoplanet Archive. wikidata.org.
  7. [8] . wikidata.org.
  8. [9] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  9. [10] . Freebase Data Dumps. wikidata.org.
  10. [11] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  11. [12] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  12. [13] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  13. [14] . Extrasolar Planets Encyclopaedia. wikidata.org.
  14. [15] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  15. [16] . Extrasolar Planets Encyclopaedia. wikidata.org.
  16. [17] . Gaia Early Data Release 3. wikidata.org.
  17. [18] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  18. [19] . Substellar-mass companions to the K-dwarf BD+14 4559 and the K-giants HD 240210 and BD+20 2457. wikidata.org.
  19. [20] . wikidata.org.
  20. [21] . wikidata.org.
  21. [22] . wikidata.org.
  22. [23] . wikidata.org.
  23. [24] . Gaia Early Data Release 3. wikidata.org.
  24. [25] . Gaia Early Data Release 3. wikidata.org.
  25. [26] . SIMBAD. 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). BD+20°2457 c. Retrieved May 3, 2026, from https://4ort.xyz/entity/bd-20-2457-c
MLA “BD+20°2457 c.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/bd-20-2457-c.
BibTeX @misc{4ortxyz_bd-20-2457-c_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{BD+20°2457 c}}, year = {2026}, url = {https://4ort.xyz/entity/bd-20-2457-c}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): BD+20°2457 c — https://4ort.xyz/entity/bd-20-2457-c (retrieved 2026-05-03)

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