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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:01:57

Orbital Elements for KUI89

WDS:	KUI89	WDS ID/Discoverer
P:	82.760	Orbital period (years)
a:	0.224	Semi-major axis (arcseconds)
i:	29.5	Inclination (degrees)
Ω:	33.0	Longitude of ascending node (degrees)
T:	1993.250	Epoch of periastron passage (year)
e:	0.506	Eccentricity
ω:	338.3	Longitude of periastron (degrees)
Start-Year:	1984.0	Year
End-Year:	2066.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KUI89

Position:	185923.80-125025.7	Epoch-2000 right ascension and declination
WDS-ID:	18594-1250	WDS designation
Discoverer Code:	KUI89	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	176162	HD catalog number
Hipparcos number:	93225	Hipparcos catalog number
V1:	5.98	Magnitude of the primary
V2:	6.64	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2009	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KUI89

WDS 6th Orbit including measures of KUI89

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

Ephemeris of KUI89

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.309    178.7
-------------------------
1984.0     0.162    269.6
1985.0     0.151    276.3
1986.0     0.141    284.0
1987.0     0.131    292.9
1988.0     0.122    303.1
1989.0     0.115    314.8
1990.0     0.110    327.9
1991.0     0.107    341.8
1992.0     0.107    356.2
1993.0     0.108     10.4
1994.0     0.111     24.1
1995.0     0.115     37.0
1996.0     0.119     49.0
1997.0     0.123     60.3
1998.0     0.128     70.6
1999.0     0.134     80.2
2000.0     0.140     88.9
2001.0     0.147     96.9
2002.0     0.154    104.2
2003.0     0.161    110.8
2004.0     0.169    116.8
2005.0     0.177    122.2
2006.0     0.185    127.2
2007.0     0.193    131.8
2008.0     0.202    136.0
2009.0     0.210    139.9
2010.0     0.218    143.5
2011.0     0.225    146.8
2012.0     0.233    149.9
2013.0     0.240    152.8
2014.0     0.247    155.6
2015.0     0.254    158.2
2016.0     0.261    160.7
2017.0     0.268    163.0
2018.0     0.274    165.3
2019.0     0.280    167.4
2020.0     0.285    169.4
2021.0     0.290    171.4
2022.0     0.295    173.3
2023.0     0.300    175.2
2024.0     0.305    177.0
2025.0     0.309    178.7
2026.0     0.312    180.4
2027.0     0.316    182.1
2028.0     0.319    183.7
2029.0     0.322    185.3
2030.0     0.324    186.9
2031.0     0.327    188.4
2032.0     0.328    189.9
2033.0     0.330    191.5
2034.0     0.331    193.0
2035.0     0.332    194.4
2036.0     0.333    195.9
2037.0     0.333    197.4
2038.0     0.333    198.9
2039.0     0.332    200.4
2040.0     0.331    201.9
2041.0     0.330    203.4
2042.0     0.328    204.9
2043.0     0.327    206.4
2044.0     0.324    208.0
2045.0     0.322    209.5
2046.0     0.318    211.1
2047.0     0.315    212.8
2048.0     0.311    214.4
2049.0     0.307    216.1
2050.0     0.302    217.9
2051.0     0.297    219.7
2052.0     0.292    221.6
2053.0     0.286    223.6
2054.0     0.280    225.6
2055.0     0.273    227.8
2056.0     0.266    230.0
2057.0     0.258    232.4
2058.0     0.250    235.0
2059.0     0.242    237.7
2060.0     0.233    240.6
2061.0     0.223    243.7
2062.0     0.213    247.2
2063.0     0.203    251.0
2064.0     0.193    255.1
2065.0     0.182    259.8

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.