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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:33:38

Orbital Elements for COU1667
WDS: COU1667 WDS ID/Discoverer
P: 223.200 Orbital period (years)
a: 0.218 Semi-major axis (arcseconds)
i: 124.2 Inclination (degrees)
Ω: 58.5 Longitude of ascending node (degrees)
T: 2009.800 Epoch of periastron passage (year)
e: 0.596 Eccentricity
ω: 77.2 Longitude of periastron (degrees)
Start-Year: 1914.0 Year
End-Year: 2136.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1667
Position: 021043.10+442618.2 Epoch-2000 right ascension and declination
WDS-ID: 02107+4426 WDS designation
Discoverer Code: COU1667 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.2 Magnitude of the primary
V2: 9.2 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 COU1667



WDS 6th Orbit including measures of COU1667

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


Ephemeris of COU1667
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.133    247.5
-------------------------
1914.0     0.194    156.8
1915.0     0.193    155.9
1916.0     0.193    155.0
1917.0     0.192    154.0
1918.0     0.192    153.1
1919.0     0.191    152.1
1920.0     0.190    151.2
1921.0     0.190    150.2
1922.0     0.189    149.3
1923.0     0.189    148.3
1924.0     0.188    147.3
1925.0     0.187    146.3
1926.0     0.187    145.3
1927.0     0.186    144.3
1928.0     0.186    143.3
1929.0     0.185    142.3
1930.0     0.185    141.3
1931.0     0.184    140.3
1932.0     0.184    139.3
1933.0     0.184    138.3
1934.0     0.183    137.2
1935.0     0.183    136.2
1936.0     0.182    135.2
1937.0     0.182    134.1
1938.0     0.182    133.1
1939.0     0.181    132.0
1940.0     0.181    131.0
1941.0     0.181    129.9
1942.0     0.180    128.9
1943.0     0.180    127.8
1944.0     0.180    126.7
1945.0     0.179    125.7
1946.0     0.179    124.6
1947.0     0.179    123.5
1948.0     0.179    122.4
1949.0     0.178    121.3
1950.0     0.178    120.2
1951.0     0.178    119.2
1952.0     0.178    118.1
1953.0     0.178    117.0
1954.0     0.177    115.9
1955.0     0.177    114.8
1956.0     0.177    113.7
1957.0     0.177    112.5
1958.0     0.176    111.4
1959.0     0.176    110.3
1960.0     0.176    109.2
1961.0     0.176    108.1
1962.0     0.175    107.0
1963.0     0.175    105.8
1964.0     0.175    104.7
1965.0     0.175    103.6
1966.0     0.174    102.4
1967.0     0.174    101.3
1968.0     0.173    100.2
1969.0     0.173     99.0
1970.0     0.173     97.8
1971.0     0.172     96.7
1972.0     0.172     95.5
1973.0     0.171     94.3
1974.0     0.170     93.1
1975.0     0.170     91.9
1976.0     0.169     90.7
1977.0     0.168     89.5
1978.0     0.167     88.3
1979.0     0.166     87.1
1980.0     0.165     85.8
1981.0     0.164     84.5
1982.0     0.163     83.2
1983.0     0.162     81.9
1984.0     0.160     80.6
1985.0     0.159     79.2
1986.0     0.157     77.9
1987.0     0.155     76.4
1988.0     0.153     75.0
1989.0     0.151     73.5
1990.0     0.149     72.0
1991.0     0.146     70.4
1992.0     0.143     68.7
1993.0     0.140     67.0
1994.0     0.137     65.2
1995.0     0.134     63.3
1996.0     0.130     61.3
1997.0     0.126     59.2
1998.0     0.121     56.9
1999.0     0.116     54.5
2000.0     0.111     51.8
2001.0     0.105     48.8
2002.0     0.099     45.5
2003.0     0.093     41.8
2004.0     0.087     37.5
2005.0     0.080     32.5
2006.0     0.073     26.5
2007.0     0.066     19.3
2008.0     0.060     10.7
2009.0     0.055      0.2
2010.0     0.051    347.9
2011.0     0.050    334.4
2012.0     0.051    320.6
2013.0     0.054    307.8
2014.0     0.058    296.7
2015.0     0.064    287.4
2016.0     0.071    279.8
2017.0     0.078    273.6
2018.0     0.086    268.4
2019.0     0.093    264.1
2020.0     0.100    260.4
2021.0     0.107    257.2
2022.0     0.114    254.3
2023.0     0.121    251.8
2024.0     0.127    249.6
2025.0     0.133    247.5
2026.0     0.139    245.6
2027.0     0.144    243.9
2028.0     0.149    242.3
2029.0     0.154    240.8
2030.0     0.159    239.4
2031.0     0.163    238.0
2032.0     0.168    236.8
2033.0     0.172    235.6
2034.0     0.176    234.4
2035.0     0.179    233.3
2036.0     0.183    232.3
2037.0     0.186    231.3
2038.0     0.189    230.3
2039.0     0.192    229.3
2040.0     0.195    228.4
2041.0     0.197    227.5
2042.0     0.200    226.6
2043.0     0.202    225.8
2044.0     0.205    224.9
2045.0     0.207    224.1
2046.0     0.209    223.3
2047.0     0.211    222.5
2048.0     0.212    221.8
2049.0     0.214    221.0
2050.0     0.216    220.2
2051.0     0.217    219.5
2052.0     0.219    218.8
2053.0     0.220    218.1
2054.0     0.221    217.3
2055.0     0.222    216.6
2056.0     0.223    215.9
2057.0     0.224    215.3
2058.0     0.225    214.6
2059.0     0.226    213.9
2060.0     0.227    213.2
2061.0     0.227    212.5
2062.0     0.228    211.9
2063.0     0.229    211.2
2064.0     0.229    210.6
2065.0     0.230    209.9
2066.0     0.230    209.2
2067.0     0.230    208.6
2068.0     0.231    207.9
2069.0     0.231    207.3
2070.0     0.231    206.6
2071.0     0.231    206.0
2072.0     0.231    205.3
2073.0     0.231    204.7
2074.0     0.231    204.0
2075.0     0.231    203.4
2076.0     0.231    202.8
2077.0     0.231    202.1
2078.0     0.231    201.5
2079.0     0.231    200.8
2080.0     0.231    200.2
2081.0     0.231    199.5
2082.0     0.230    198.9
2083.0     0.230    198.2
2084.0     0.230    197.6
2085.0     0.229    196.9
2086.0     0.229    196.2
2087.0     0.229    195.6
2088.0     0.228    194.9
2089.0     0.228    194.3
2090.0     0.227    193.6
2091.0     0.227    192.9
2092.0     0.226    192.2
2093.0     0.226    191.6
2094.0     0.225    190.9
2095.0     0.225    190.2
2096.0     0.224    189.5
2097.0     0.223    188.8
2098.0     0.223    188.1
2099.0     0.222    187.4
2100.0     0.222    186.7
2101.0     0.221    186.0
2102.0     0.220    185.3
2103.0     0.220    184.6
2104.0     0.219    183.9
2105.0     0.218    183.1
2106.0     0.217    182.4
2107.0     0.217    181.7
2108.0     0.216    180.9
2109.0     0.215    180.2
2110.0     0.214    179.4
2111.0     0.214    178.7
2112.0     0.213    177.9
2113.0     0.212    177.2
2114.0     0.211    176.4
2115.0     0.211    175.6
2116.0     0.210    174.8
2117.0     0.209    174.0
2118.0     0.208    173.3
2119.0     0.208    172.5
2120.0     0.207    171.6
2121.0     0.206    170.8
2122.0     0.205    170.0
2123.0     0.204    169.2
2124.0     0.204    168.4
2125.0     0.203    167.5
2126.0     0.202    166.7
2127.0     0.201    165.8
2128.0     0.201    165.0
2129.0     0.200    164.1
2130.0     0.199    163.2
2131.0     0.198    162.4
2132.0     0.198    161.5
2133.0     0.197    160.6
2134.0     0.196    159.7
2135.0     0.196    158.8






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


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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