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HD 81040 b

extrasolar planet
Exoplanet Q128833

Facts

21 properties

Identity

Instance of
exoplanet
More facts +20
Angular distance
0.059582[14]
Argument of periapsis
81.591[17]
Catalog code
HD 81040b, TIC 414965996b[4][5]
Constellation
Leo[2]
Declination
20.36445226391972[19]
Declination component of proper motion
36.125
Discovery method
Doppler spectroscopy[8]
Epoch
J2000.0[20]
M sin i
6.87[11]
Mass
6.768[12]
Orbital eccentricity
0.557[9]
Orbital inclination
88.773[10]
Orbital period
1005.98854[13]
Parallax
29.0122[15]
Parent astronomical body
HD 81040[3]
Right ascension
140.94619734748167[18]
Right ascension component of proper motion
-151.258
Semi-major axis of an orbit
1.988[16]
Time of discovery or invention
April 2006, 2005[6][7]
Time of periapsis
2452504.0
🏷️ Also known as
en HD 81040 b en HD 81040b en TIC 414965996b ar HD ٨١٠٤٠ b ko HD 81040b
🔖 Identifiers · 5
Extrasolar Planets Encyclopaedia exoplanet ID
hd_81040_b--310
Freebase ID
/m/02rqplj
NASA Exoplanet Archive ID
HD 81040 b
SIMBAD ID
HD 81040b
Wolfram Language entity code
Entity["Exoplanet", "HD81040b"]

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🔗 Connections
Constellation 1
Leo
Discovery method 1
Doppler spectroscopy
Epoch 1
J2000.0
Instance of 1
exoplanet
Parent astronomical body 1
HD 81040
← Child astronomical body 1
HD 81040
← FactGrid item ID 1
Précorbin
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Summary

HD 81040 b is an exoplanet[1].

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] ↑ . SIMBAD. wikidata.org.
  4. [5] ↑ . Exoplanet Archive. wikidata.org.
  5. [6] ↑ . A massive planet to the young disc star HD 81040. wikidata.org.
  6. [7] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  7. [8] ↑ . A massive planet to the young disc star HD 81040. wikidata.org.
  8. [9] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  9. [10] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  10. [11] ↑ . Precise Masses and Orbits for Nine Radial-velocity Exoplanets. wikidata.org.
  11. [12] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  12. [13] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  13. [14] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  14. [15] ↑ . Gaia Data Release 2. wikidata.org.
  15. [16] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  16. [17] ↑ . 3-D selection of 167 sub-stellar companions to nearby stars. wikidata.org.
  17. [18] ↑ . Gaia Data Release 2. wikidata.org.
  18. [19] ↑ . Gaia Data Release 2. wikidata.org.
  19. [20] ↑ . 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). HD 81040 b. Retrieved November 10, 2026, from https://4ort.xyz/entity/hd-81040-b
MLA “HD 81040 b.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Nov. 2026, https://4ort.xyz/entity/hd-81040-b.
BibTeX @misc{4ortxyz_hd-81040-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{HD 81040 b}}, year = {2026}, url = {https://4ort.xyz/entity/hd-81040-b}, note = {Accessed: 2026-11-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): HD 81040 b — https://4ort.xyz/entity/hd-81040-b (retrieved 2026-11-10)

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