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2MASS J15344984-2952274 B

brown dwarf in the constellation Libra
Place exoplanet Q113434581
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2MASS J15344984-2952274 B

Summary

2MASS J15344984-2952274 B is an exoplanet[1].

Key Facts

  • 2MASS J15344984-2952274 B's instance of is recorded as exoplanet[2].
  • 2MASS J15344984-2952274 B's instance of is recorded as brown dwarf[3].
  • 2MASS J15344984-2952274 B's constellation is recorded as Libra[4].
  • 2MASS J15344984-2952274 B's companion of is recorded as 2MASS J15344984-2952274 A[5].
  • 2MASS J15344984-2952274 B's time of discovery or invention is recorded as +2008-00-00T00:00:00Z[6].
  • 2MASS J15344984-2952274 B's discovery method is recorded as direct imaging[7].
  • 2MASS J15344984-2952274 B's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.24'}[8].
  • 2MASS J15344984-2952274 B's orbital inclination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+84.3'}[9].
  • 2MASS J15344984-2952274 B's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+28.2'}[10].
  • 2MASS J15344984-2952274 B's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+5550'}[11].
  • 2MASS J15344984-2952274 B's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+2.3'}[12].
  • 2MASS J15344984-2952274 B's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+178'}[13].
  • 2MASS J15344984-2952274 B's distance from Earth is recorded as {'unit': 'http://www.wikidata.org/entity/Q12129', 'amount': '+15.9'}[14].
  • 2MASS J15344984-2952274 B's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as 2mass_j1534_2952_b--7058[15].
  • 2MASS J15344984-2952274 B's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+233.7075'}[16].
  • 2MASS J15344984-2952274 B's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-29.874278'}[17].
  • 2MASS J15344984-2952274 B's epoch is recorded as J2000.0[18].
  • 2MASS J15344984-2952274 B's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2456024'}[19].

Body

Designation and Status

Recorded instance of include exoplanet[2] and brown dwarf[3].

References

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

Direct Wikidata claims

  1. [2] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  2. [3] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  6. [7] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  7. [8] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  8. [9] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  9. [10] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  10. [11] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  11. [12] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  12. [13] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.
  13. [14] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . Extrasolar Planets Encyclopaedia. wikidata.org.
  18. [19] ↑ . Keck Laser Guide Star Adaptive Optics Monitoring of 2MASS J15344984−2952274AB: First Dynamical Mass Determination of a Binary T Dwarf. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). 2MASS J15344984-2952274 B. Retrieved May 3, 2026, from https://4ort.xyz/entity/2mass-j15344984-2952274-b
MLA “2MASS J15344984-2952274 B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/2mass-j15344984-2952274-b.
BibTeX @misc{4ortxyz_2mass-j15344984-2952274-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{2MASS J15344984-2952274 B}}, year = {2026}, url = {https://4ort.xyz/entity/2mass-j15344984-2952274-b}, note = {Accessed: 2026-05-03}}
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