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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:02:58

Orbital Elements for COU1085
WDS: COU1085 WDS ID/Discoverer
P: 165.500 Orbital period (years)
a: 0.385 Semi-major axis (arcseconds)
i: 146.0 Inclination (degrees)
Ω: 87.5 Longitude of ascending node (degrees)
T: 1973.880 Epoch of periastron passage (year)
e: 0.1 Eccentricity
ω: 97.9 Longitude of periastron (degrees)
Start-Year: 1943.0 Year
End-Year: 2107.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for COU1085
Position: 043930.99+340745.0 Epoch-2000 right ascension and declination
WDS-ID: 04395+3408 WDS designation
Discoverer Code: COU1085 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 282346 HD catalog number
Hipparcos number: 21697 Hipparcos catalog number
V1: 10.07 Magnitude of the primary
V2: 11.36 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for COU1085



WDS 6th Orbit including measures of COU1085

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


Ephemeris of COU1085
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.376    233.4
-------------------------
1943.0     0.367     71.0
1944.0     0.364     69.0
1945.0     0.361     66.9
1946.0     0.357     64.9
1947.0     0.354     62.8
1948.0     0.351     60.6
1949.0     0.347     58.5
1950.0     0.343     56.2
1951.0     0.340     53.9
1952.0     0.336     51.6
1953.0     0.332     49.2
1954.0     0.329     46.8
1955.0     0.325     44.3
1956.0     0.321     41.8
1957.0     0.318     39.2
1958.0     0.314     36.5
1959.0     0.311     33.8
1960.0     0.308     31.0
1961.0     0.304     28.1
1962.0     0.302     25.2
1963.0     0.299     22.3
1964.0     0.296     19.3
1965.0     0.294     16.2
1966.0     0.292     13.1
1967.0     0.291     10.0
1968.0     0.289      6.9
1969.0     0.288      3.7
1970.0     0.288      0.5
1971.0     0.287    357.2
1972.0     0.288    354.0
1973.0     0.288    350.8
1974.0     0.289    347.6
1975.0     0.290    344.4
1976.0     0.291    341.3
1977.0     0.293    338.2
1978.0     0.295    335.1
1979.0     0.297    332.0
1980.0     0.299    329.0
1981.0     0.302    326.1
1982.0     0.305    323.2
1983.0     0.308    320.3
1984.0     0.311    317.6
1985.0     0.314    314.8
1986.0     0.317    312.2
1987.0     0.321    309.6
1988.0     0.324    307.0
1989.0     0.328    304.5
1990.0     0.331    302.1
1991.0     0.335    299.7
1992.0     0.338    297.3
1993.0     0.342    295.0
1994.0     0.345    292.8
1995.0     0.348    290.6
1996.0     0.352    288.4
1997.0     0.355    286.3
1998.0     0.358    284.2
1999.0     0.360    282.1
2000.0     0.363    280.1
2001.0     0.365    278.1
2002.0     0.368    276.1
2003.0     0.370    274.1
2004.0     0.372    272.2
2005.0     0.374    270.3
2006.0     0.375    268.4
2007.0     0.377    266.5
2008.0     0.378    264.6
2009.0     0.379    262.8
2010.0     0.380    260.9
2011.0     0.381    259.1
2012.0     0.381    257.3
2013.0     0.382    255.4
2014.0     0.382    253.6
2015.0     0.382    251.8
2016.0     0.382    250.0
2017.0     0.382    248.1
2018.0     0.382    246.3
2019.0     0.381    244.5
2020.0     0.381    242.7
2021.0     0.380    240.8
2022.0     0.379    239.0
2023.0     0.378    237.1
2024.0     0.377    235.2
2025.0     0.376    233.4
2026.0     0.375    231.5
2027.0     0.374    229.6
2028.0     0.372    227.7
2029.0     0.371    225.8
2030.0     0.370    223.8
2031.0     0.368    221.9
2032.0     0.367    219.9
2033.0     0.366    217.9
2034.0     0.364    215.9
2035.0     0.363    213.9
2036.0     0.362    211.9
2037.0     0.360    209.8
2038.0     0.359    207.8
2039.0     0.358    205.7
2040.0     0.357    203.6
2041.0     0.356    201.6
2042.0     0.355    199.4
2043.0     0.354    197.3
2044.0     0.353    195.2
2045.0     0.353    193.1
2046.0     0.352    190.9
2047.0     0.351    188.8
2048.0     0.351    186.6
2049.0     0.351    184.5
2050.0     0.351    182.3
2051.0     0.351    180.1
2052.0     0.351    178.0
2053.0     0.351    175.8
2054.0     0.351    173.6
2055.0     0.352    171.5
2056.0     0.352    169.3
2057.0     0.353    167.2
2058.0     0.354    165.1
2059.0     0.355    163.0
2060.0     0.355    160.8
2061.0     0.357    158.7
2062.0     0.358    156.7
2063.0     0.359    154.6
2064.0     0.360    152.5
2065.0     0.362    150.5
2066.0     0.363    148.5
2067.0     0.365    146.5
2068.0     0.366    144.5
2069.0     0.368    142.5
2070.0     0.369    140.5
2071.0     0.371    138.6
2072.0     0.372    136.7
2073.0     0.374    134.7
2074.0     0.376    132.9
2075.0     0.377    131.0
2076.0     0.379    129.1
2077.0     0.380    127.3
2078.0     0.382    125.4
2079.0     0.383    123.6
2080.0     0.385    121.8
2081.0     0.386    120.0
2082.0     0.387    118.2
2083.0     0.388    116.5
2084.0     0.389    114.7
2085.0     0.390    113.0
2086.0     0.391    111.2
2087.0     0.391    109.5
2088.0     0.392    107.7
2089.0     0.392    106.0
2090.0     0.392    104.3
2091.0     0.393    102.6
2092.0     0.392    100.8
2093.0     0.392     99.1
2094.0     0.392     97.4
2095.0     0.391     95.6
2096.0     0.391     93.9
2097.0     0.390     92.2
2098.0     0.389     90.4
2099.0     0.387     88.6
2100.0     0.386     86.9
2101.0     0.384     85.1
2102.0     0.383     83.3
2103.0     0.381     81.4
2104.0     0.378     79.6
2105.0     0.376     77.7
2106.0     0.374     75.8



 

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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