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HD 195019 b

Coordinates: Sky map 20h 28m 18.6363s, +18° 46′ 10.188″
From Wikipedia, the free encyclopedia
HD 195019 b
Discovery
Discovered byFischer et al.[1]
Discovery siteLick Observatory
Discovery date1998
Radial Velocity
Orbital characteristics
Apastron0.1407 AU (21,050,000 km)
Periastron0.1369 AU (20,480,000 km)
0.1388 ± 0.008 AU (20,760,000 ± 1,200,000 km)
Eccentricity0.014 ± 0.0044
18.20163 ± 0.0004 d
0.4983248 y
83.24
2,411,015 ± 1.2
322 ± 20
Semi-amplitude272.3 ±1.4
StarHD 195019

HD 195019 b is an exoplanet orbiting around HD 195019 in the binary star system. It has a minimum mass of 3.7 MJ. It orbits very close to the star. Like many planets at close distance, its orbit is circular, even more circular or less eccentric than Earth. It takes 437 hours to orbit with velocity of 83.24 kilometers per second.[1]

See also

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References

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  1. ^ a b Fischer, Debra A.; et al. (1999). "Planetary Companions around Two Solar-Type Stars: HD 195019 and HD 217107". Publications of the Astronomical Society of the Pacific. 111 (755): 50–56. arXiv:astro-ph/9810420. Bibcode:1999PASP..111...50F. doi:10.1086/316304. S2CID 17980987.
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