Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:56:32

Orbital Elements for B194

WDS:	B194	WDS ID/Discoverer
P:	91.890	Orbital period (years)
a:	0.226	Semi-major axis (arcseconds)
i:	76.0	Inclination (degrees)
Ω:	198.3	Longitude of ascending node (degrees)
T:	2003.580	Epoch of periastron passage (year)
e:	0.676	Eccentricity
ω:	59.7	Longitude of periastron (degrees)
Start-Year:	1980.0	Year
End-Year:	2070.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B194

Position:	101202.88-283621.4	Epoch-2000 right ascension and declination
WDS-ID:	10120-2836	WDS designation
Discoverer Code:	B194	Discover designation and components
ADS number:	7681	Aitken Double Star catalog
HD number:	88522	HD catalog number
Hipparcos number:	49967	Hipparcos catalog number
V1:	6.78	Magnitude of the primary
V2:	7.41	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for B194

WDS 6th Orbit including measures of B194

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of B194

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.260     26.3
-------------------------
1980.0     0.079     91.5
1981.0     0.075     97.6
1982.0     0.073    104.1
1983.0     0.071    111.1
1984.0     0.070    118.3
1985.0     0.070    125.6
1986.0     0.071    132.9
1987.0     0.073    139.8
1988.0     0.076    146.3
1989.0     0.079    152.3
1990.0     0.083    157.7
1991.0     0.087    162.7
1992.0     0.091    167.2
1993.0     0.095    171.3
1994.0     0.099    175.1
1995.0     0.103    178.5
1996.0     0.106    181.8
1997.0     0.108    184.9
1998.0     0.108    188.0
1999.0     0.106    191.0
2000.0     0.101    194.3
2001.0     0.092    198.1
2002.0     0.077    203.1
2003.0     0.055    211.4
2004.0     0.029    233.7
2005.0     0.021    313.8
2006.0     0.046    353.2
2007.0     0.073      3.9
2008.0     0.098      8.9
2009.0     0.120     11.9
2010.0     0.139     14.0
2011.0     0.156     15.7
2012.0     0.171     17.0
2013.0     0.184     18.1
2014.0     0.196     19.1
2015.0     0.206     20.0
2016.0     0.216     20.8
2017.0     0.224     21.5
2018.0     0.231     22.2
2019.0     0.237     22.9
2020.0     0.243     23.5
2021.0     0.247     24.1
2022.0     0.252     24.7
2023.0     0.255     25.2
2024.0     0.258     25.8
2025.0     0.260     26.3
2026.0     0.262     26.8
2027.0     0.263     27.3
2028.0     0.264     27.9
2029.0     0.265     28.4
2030.0     0.265     28.9
2031.0     0.264     29.4
2032.0     0.264     29.9
2033.0     0.263     30.4
2034.0     0.261     30.9
2035.0     0.260     31.5
2036.0     0.258     32.0
2037.0     0.255     32.5
2038.0     0.253     33.1
2039.0     0.250     33.6
2040.0     0.247     34.2
2041.0     0.244     34.8
2042.0     0.240     35.4
2043.0     0.236     36.1
2044.0     0.232     36.7
2045.0     0.228     37.4
2046.0     0.224     38.1
2047.0     0.219     38.8
2048.0     0.214     39.6
2049.0     0.209     40.4
2050.0     0.204     41.2
2051.0     0.199     42.1
2052.0     0.194     43.0
2053.0     0.188     44.0
2054.0     0.183     45.0
2055.0     0.177     46.1
2056.0     0.171     47.3
2057.0     0.165     48.6
2058.0     0.159     49.9
2059.0     0.153     51.4
2060.0     0.146     53.0
2061.0     0.140     54.7
2062.0     0.134     56.6
2063.0     0.127     58.7
2064.0     0.121     61.0
2065.0     0.115     63.6
2066.0     0.109     66.4
2067.0     0.103     69.6
2068.0     0.097     73.2
2069.0     0.092     77.2

Disclaimer

Acknowledgements

The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.