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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:08:00

Orbital Elements for KUI94

WDS:	KUI94	WDS ID/Discoverer
P:	79.000	Orbital period (years)
a:	0.34	Semi-major axis (arcseconds)
i:	106.0	Inclination (degrees)
Ω:	338.0	Longitude of ascending node (degrees)
T:	1981.000	Epoch of periastron passage (year)
e:	0.38	Eccentricity
ω:	12.0	Longitude of periastron (degrees)
Start-Year:	1986.0	Year
End-Year:	2064.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KUI94

Position:	194157.63+401514.6	Epoch-2000 right ascension and declination
WDS-ID:	19420+4015	WDS designation
Discoverer Code:	KUI94	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	186307	HD catalog number
Hipparcos number:	96907	Hipparcos catalog number
V1:	6.5	Magnitude of the primary
V2:	7.8	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KUI94

WDS 6th Orbit including measures of KUI94

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

Ephemeris of KUI94

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.434    151.6
-------------------------
1986.0     0.121    309.7
1987.0     0.100    298.6
1988.0     0.083    282.4
1989.0     0.074    260.2
1990.0     0.077    236.2
1991.0     0.091    216.8
1992.0     0.111    203.4
1993.0     0.134    194.4
1994.0     0.159    188.0
1995.0     0.183    183.4
1996.0     0.207    179.9
1997.0     0.231    177.1
1998.0     0.254    174.8
1999.0     0.275    172.9
2000.0     0.296    171.2
2001.0     0.315    169.8
2002.0     0.334    168.5
2003.0     0.351    167.4
2004.0     0.366    166.3
2005.0     0.381    165.4
2006.0     0.395    164.5
2007.0     0.407    163.6
2008.0     0.418    162.8
2009.0     0.428    162.1
2010.0     0.436    161.4
2011.0     0.444    160.7
2012.0     0.450    160.0
2013.0     0.456    159.4
2014.0     0.460    158.7
2015.0     0.463    158.1
2016.0     0.465    157.5
2017.0     0.465    156.8
2018.0     0.465    156.2
2019.0     0.464    155.6
2020.0     0.461    155.0
2021.0     0.458    154.3
2022.0     0.453    153.7
2023.0     0.448    153.0
2024.0     0.441    152.3
2025.0     0.434    151.6
2026.0     0.425    150.9
2027.0     0.415    150.1
2028.0     0.405    149.4
2029.0     0.393    148.5
2030.0     0.381    147.6
2031.0     0.367    146.7
2032.0     0.353    145.6
2033.0     0.338    144.5
2034.0     0.322    143.3
2035.0     0.305    141.9
2036.0     0.287    140.3
2037.0     0.268    138.6
2038.0     0.249    136.6
2039.0     0.229    134.2
2040.0     0.209    131.4
2041.0     0.188    128.0
2042.0     0.168    123.8
2043.0     0.148    118.4
2044.0     0.128    111.3
2045.0     0.111    101.8
2046.0     0.097     89.2
2047.0     0.088     73.4
2048.0     0.087     55.6
2049.0     0.093     38.7
2050.0     0.105     24.8
2051.0     0.120     14.1
2052.0     0.138      6.0
2053.0     0.155    359.7
2054.0     0.172    354.7
2055.0     0.187    350.5
2056.0     0.199    347.0
2057.0     0.208    343.7
2058.0     0.212    340.7
2059.0     0.212    337.7
2060.0     0.207    334.6
2061.0     0.196    331.3
2062.0     0.182    327.6
2063.0     0.164    323.1

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.