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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:53:10

Orbital Elements for COU1003AA,AB
WDS: COU1003AA,AB WDS ID/Discoverer
P: 159.300 Orbital period (years)
a: 0.233 Semi-major axis (arcseconds)
i: 100.4 Inclination (degrees)
Ω: 51.0 Longitude of ascending node (degrees)
T: 1971.200 Epoch of periastron passage (year)
e: 0.178 Eccentricity
ω: 317.0 Longitude of periastron (degrees)
Start-Year: 1946.0 Year
End-Year: 2104.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1003AA,AB
Position: 175924.52+292929.6 Epoch-2000 right ascension and declination
WDS-ID: 17594+2929 WDS designation
Discoverer Code: COU1003AA,AB Discover designation and components
ADS number: 10961 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.92 Magnitude of the primary
V2: 9.92 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for COU1003AA,AB



WDS 6th Orbit including measures of COU1003AA,AB

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


Ephemeris of COU1003AA,AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.050    300.0
-------------------------
1946.0     0.110    213.0
1947.0     0.102    211.0
1948.0     0.093    208.7
1949.0     0.084    205.9
1950.0     0.075    202.5
1951.0     0.067    198.2
1952.0     0.059    192.6
1953.0     0.051    185.4
1954.0     0.045    175.8
1955.0     0.039    163.3
1956.0     0.037    148.1
1957.0     0.037    131.6
1958.0     0.039    116.4
1959.0     0.044    103.9
1960.0     0.051     94.2
1961.0     0.059     86.9
1962.0     0.067     81.4
1963.0     0.075     77.0
1964.0     0.084     73.5
1965.0     0.092     70.7
1966.0     0.101     68.4
1967.0     0.109     66.4
1968.0     0.118     64.7
1969.0     0.126     63.2
1970.0     0.133     61.9
1971.0     0.141     60.8
1972.0     0.148     59.7
1973.0     0.154     58.8
1974.0     0.161     57.9
1975.0     0.167     57.1
1976.0     0.172     56.3
1977.0     0.177     55.6
1978.0     0.182     54.9
1979.0     0.186     54.3
1980.0     0.189     53.7
1981.0     0.192     53.1
1982.0     0.195     52.5
1983.0     0.197     51.9
1984.0     0.199     51.4
1985.0     0.200     50.8
1986.0     0.201     50.3
1987.0     0.201     49.7
1988.0     0.201     49.2
1989.0     0.200     48.6
1990.0     0.199     48.1
1991.0     0.198     47.5
1992.0     0.196     47.0
1993.0     0.193     46.4
1994.0     0.191     45.8
1995.0     0.188     45.2
1996.0     0.184     44.6
1997.0     0.180     43.9
1998.0     0.176     43.2
1999.0     0.172     42.5
2000.0     0.167     41.7
2001.0     0.162     40.9
2002.0     0.157     40.1
2003.0     0.152     39.2
2004.0     0.146     38.2
2005.0     0.140     37.1
2006.0     0.134     36.0
2007.0     0.128     34.7
2008.0     0.122     33.3
2009.0     0.115     31.7
2010.0     0.109     30.0
2011.0     0.102     28.0
2012.0     0.096     25.8
2013.0     0.089     23.2
2014.0     0.083     20.3
2015.0     0.077     16.9
2016.0     0.070     12.8
2017.0     0.065      8.0
2018.0     0.060      2.4
2019.0     0.055    355.7
2020.0     0.051    347.9
2021.0     0.048    339.0
2022.0     0.047    329.3
2023.0     0.046    319.2
2024.0     0.048    309.2
2025.0     0.050    300.0
2026.0     0.054    291.9
2027.0     0.058    284.8
2028.0     0.063    278.9
2029.0     0.069    273.8
2030.0     0.075    269.6
2031.0     0.081    266.0
2032.0     0.087    262.9
2033.0     0.094    260.2
2034.0     0.101    257.9
2035.0     0.107    255.9
2036.0     0.114    254.1
2037.0     0.121    252.6
2038.0     0.127    251.1
2039.0     0.134    249.9
2040.0     0.140    248.7
2041.0     0.147    247.6
2042.0     0.153    246.7
2043.0     0.159    245.8
2044.0     0.166    245.0
2045.0     0.172    244.2
2046.0     0.177    243.5
2047.0     0.183    242.8
2048.0     0.189    242.2
2049.0     0.194    241.6
2050.0     0.199    241.0
2051.0     0.204    240.5
2052.0     0.209    240.0
2053.0     0.214    239.5
2054.0     0.218    239.0
2055.0     0.223    238.6
2056.0     0.227    238.1
2057.0     0.231    237.7
2058.0     0.234    237.3
2059.0     0.238    236.9
2060.0     0.241    236.5
2061.0     0.244    236.2
2062.0     0.247    235.8
2063.0     0.250    235.5
2064.0     0.252    235.1
2065.0     0.254    234.8
2066.0     0.256    234.4
2067.0     0.257    234.1
2068.0     0.259    233.8
2069.0     0.260    233.5
2070.0     0.261    233.1
2071.0     0.261    232.8
2072.0     0.262    232.5
2073.0     0.262    232.2
2074.0     0.261    231.9
2075.0     0.261    231.5
2076.0     0.260    231.2
2077.0     0.259    230.9
2078.0     0.258    230.6
2079.0     0.256    230.2
2080.0     0.254    229.9
2081.0     0.252    229.6
2082.0     0.249    229.2
2083.0     0.246    228.9
2084.0     0.243    228.5
2085.0     0.240    228.1
2086.0     0.236    227.7
2087.0     0.232    227.3
2088.0     0.228    226.9
2089.0     0.223    226.5
2090.0     0.218    226.1
2091.0     0.213    225.6
2092.0     0.208    225.1
2093.0     0.202    224.6
2094.0     0.196    224.0
2095.0     0.190    223.4
2096.0     0.183    222.8
2097.0     0.176    222.1
2098.0     0.169    221.4
2099.0     0.162    220.6
2100.0     0.154    219.7
2101.0     0.146    218.8
2102.0     0.138    217.7
2103.0     0.130    216.5



 

Disclaimer
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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.


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