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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:16:17

Orbital Elements for I745
WDS: I745 WDS ID/Discoverer
P: 208.000 Orbital period (years)
a: 0.568 Semi-major axis (arcseconds)
i: 72.1 Inclination (degrees)
Ω: 238.3 Longitude of ascending node (degrees)
T: 2017.190 Epoch of periastron passage (year)
e: 0.775 Eccentricity
ω: 205.8 Longitude of periastron (degrees)
Start-Year: 1921.0 Year
End-Year: 2129.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I745
Position: 054241.65-670819.5 Epoch-2000 right ascension and declination
WDS-ID: 05427-6708 WDS designation
Discoverer Code: I745 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 38746 HD catalog number
Hipparcos number: 26904 Hipparcos catalog number
V1: 7.72 Magnitude of the primary
V2: 10.26 Magnitude of the secondary
Equinox: Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I745



WDS 6th Orbit including measures of I745

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


Ephemeris of I745
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.158    213.9
-------------------------
1921.0     0.895    247.8
1922.0     0.891    247.9
1923.0     0.887    248.1
1924.0     0.884    248.2
1925.0     0.880    248.3
1926.0     0.875    248.5
1927.0     0.871    248.6
1928.0     0.867    248.8
1929.0     0.862    248.9
1930.0     0.857    249.1
1931.0     0.853    249.2
1932.0     0.848    249.3
1933.0     0.842    249.5
1934.0     0.837    249.7
1935.0     0.832    249.8
1936.0     0.826    250.0
1937.0     0.820    250.1
1938.0     0.815    250.3
1939.0     0.809    250.5
1940.0     0.802    250.6
1941.0     0.796    250.8
1942.0     0.790    251.0
1943.0     0.783    251.1
1944.0     0.776    251.3
1945.0     0.770    251.5
1946.0     0.763    251.7
1947.0     0.755    251.9
1948.0     0.748    252.1
1949.0     0.741    252.3
1950.0     0.733    252.5
1951.0     0.725    252.7
1952.0     0.717    252.9
1953.0     0.709    253.1
1954.0     0.701    253.3
1955.0     0.693    253.5
1956.0     0.684    253.8
1957.0     0.676    254.0
1958.0     0.667    254.2
1959.0     0.658    254.5
1960.0     0.649    254.7
1961.0     0.640    255.0
1962.0     0.630    255.3
1963.0     0.621    255.5
1964.0     0.611    255.8
1965.0     0.601    256.1
1966.0     0.591    256.4
1967.0     0.581    256.7
1968.0     0.570    257.1
1969.0     0.560    257.4
1970.0     0.549    257.8
1971.0     0.538    258.1
1972.0     0.527    258.5
1973.0     0.516    258.9
1974.0     0.504    259.3
1975.0     0.493    259.8
1976.0     0.481    260.2
1977.0     0.469    260.7
1978.0     0.457    261.2
1979.0     0.445    261.7
1980.0     0.433    262.3
1981.0     0.420    262.9
1982.0     0.407    263.5
1983.0     0.394    264.2
1984.0     0.381    264.9
1985.0     0.368    265.7
1986.0     0.355    266.5
1987.0     0.341    267.4
1988.0     0.327    268.4
1989.0     0.313    269.5
1990.0     0.299    270.6
1991.0     0.285    271.9
1992.0     0.271    273.3
1993.0     0.257    274.8
1994.0     0.242    276.6
1995.0     0.228    278.6
1996.0     0.214    280.8
1997.0     0.199    283.3
1998.0     0.185    286.3
1999.0     0.171    289.7
2000.0     0.158    293.7
2001.0     0.145    298.5
2002.0     0.133    304.1
2003.0     0.122    310.8
2004.0     0.113    318.8
2005.0     0.105    327.9
2006.0     0.101    338.2
2007.0     0.099    349.0
2008.0     0.101    359.9
2009.0     0.105     10.2
2010.0     0.111     19.5
2011.0     0.119     27.7
2012.0     0.127     34.9
2013.0     0.134     41.3
2014.0     0.138     47.1
2015.0     0.139     52.7
2016.0     0.133     58.5
2017.0     0.120     65.3
2018.0     0.099     74.3
2019.0     0.075     88.9
2020.0     0.055    115.8
2021.0     0.054    155.2
2022.0     0.072    184.6
2023.0     0.099    200.0
2024.0     0.128    208.6
2025.0     0.158    213.9
2026.0     0.187    217.6
2027.0     0.215    220.3
2028.0     0.242    222.4
2029.0     0.267    224.1
2030.0     0.292    225.5
2031.0     0.316    226.7
2032.0     0.340    227.7
2033.0     0.362    228.6
2034.0     0.383    229.3
2035.0     0.404    230.0
2036.0     0.424    230.7
2037.0     0.443    231.2
2038.0     0.462    231.8
2039.0     0.480    232.3
2040.0     0.497    232.7
2041.0     0.514    233.1
2042.0     0.530    233.5
2043.0     0.546    233.9
2044.0     0.561    234.3
2045.0     0.576    234.6
2046.0     0.590    234.9
2047.0     0.604    235.2
2048.0     0.618    235.5
2049.0     0.631    235.8
2050.0     0.643    236.1
2051.0     0.656    236.3
2052.0     0.667    236.6
2053.0     0.679    236.8
2054.0     0.690    237.0
2055.0     0.701    237.3
2056.0     0.712    237.5
2057.0     0.722    237.7
2058.0     0.732    237.9
2059.0     0.741    238.1
2060.0     0.751    238.3
2061.0     0.760    238.5
2062.0     0.768    238.7
2063.0     0.777    238.9
2064.0     0.785    239.0
2065.0     0.793    239.2
2066.0     0.801    239.4
2067.0     0.808    239.5
2068.0     0.815    239.7
2069.0     0.822    239.9
2070.0     0.829    240.0
2071.0     0.835    240.2
2072.0     0.841    240.3
2073.0     0.847    240.5
2074.0     0.853    240.6
2075.0     0.859    240.8
2076.0     0.864    240.9
2077.0     0.869    241.1
2078.0     0.874    241.2
2079.0     0.879    241.4
2080.0     0.883    241.5
2081.0     0.888    241.6
2082.0     0.892    241.8
2083.0     0.896    241.9
2084.0     0.899    242.1
2085.0     0.903    242.2
2086.0     0.906    242.3
2087.0     0.909    242.5
2088.0     0.912    242.6
2089.0     0.915    242.7
2090.0     0.918    242.8
2091.0     0.920    243.0
2092.0     0.923    243.1
2093.0     0.925    243.2
2094.0     0.927    243.4
2095.0     0.928    243.5
2096.0     0.930    243.6
2097.0     0.931    243.7
2098.0     0.933    243.9
2099.0     0.934    244.0
2100.0     0.935    244.1
2101.0     0.935    244.2
2102.0     0.936    244.4
2103.0     0.936    244.5
2104.0     0.937    244.6
2105.0     0.937    244.7
2106.0     0.937    244.8
2107.0     0.937    245.0
2108.0     0.936    245.1
2109.0     0.936    245.2
2110.0     0.935    245.3
2111.0     0.934    245.5
2112.0     0.933    245.6
2113.0     0.932    245.7
2114.0     0.931    245.8
2115.0     0.930    246.0
2116.0     0.928    246.1
2117.0     0.926    246.2
2118.0     0.925    246.3
2119.0     0.923    246.5
2120.0     0.920    246.6
2121.0     0.918    246.7
2122.0     0.916    246.9
2123.0     0.913    247.0
2124.0     0.910    247.1
2125.0     0.908    247.2
2126.0     0.905    247.4
2127.0     0.901    247.5
2128.0     0.898    247.6






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.


www.stella-vega.de