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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:15:57

Orbital Elements for A1564
WDS: A1564 WDS ID/Discoverer
P: 181.700 Orbital period (years)
a: 0.232 Semi-major axis (arcseconds)
i: 71.0 Inclination (degrees)
Ω: 160.8 Longitude of ascending node (degrees)
T: 1845.800 Epoch of periastron passage (year)
e: 0.207 Eccentricity
ω: 50.6 Longitude of periastron (degrees)
Start-Year: 1935.0 Year
End-Year: 2115.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A1564
Position: 053922.55+434233.5 Epoch-2000 right ascension and declination
WDS-ID: 05394+4343 WDS designation
Discoverer Code: A1564 Discover designation and components
ADS number: 4236 Aitken Double Star catalog
HD number: 37265 HD catalog number
Hipparcos number: 26607 Hipparcos catalog number
V1: 8.98 Magnitude of the primary
V2: 9.15 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1997 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A1564



WDS 6th Orbit including measures of A1564

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


Ephemeris of A1564
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.141    177.6
-------------------------
1935.0     0.198      0.9
1936.0     0.194      1.8
1937.0     0.190      2.7
1938.0     0.185      3.7
1939.0     0.181      4.7
1940.0     0.177      5.8
1941.0     0.172      6.9
1942.0     0.168      8.1
1943.0     0.163      9.3
1944.0     0.159     10.6
1945.0     0.154     12.0
1946.0     0.150     13.5
1947.0     0.145     15.0
1948.0     0.140     16.7
1949.0     0.136     18.5
1950.0     0.131     20.4
1951.0     0.127     22.4
1952.0     0.123     24.6
1953.0     0.118     26.9
1954.0     0.114     29.5
1955.0     0.110     32.2
1956.0     0.107     35.0
1957.0     0.103     38.1
1958.0     0.100     41.5
1959.0     0.097     45.0
1960.0     0.094     48.7
1961.0     0.091     52.7
1962.0     0.089     56.9
1963.0     0.088     61.2
1964.0     0.087     65.6
1965.0     0.086     70.2
1966.0     0.086     74.8
1967.0     0.086     79.4
1968.0     0.087     83.9
1969.0     0.088     88.3
1970.0     0.090     92.6
1971.0     0.092     96.7
1972.0     0.094    100.6
1973.0     0.097    104.3
1974.0     0.100    107.8
1975.0     0.104    111.1
1976.0     0.107    114.1
1977.0     0.111    117.0
1978.0     0.115    119.6
1979.0     0.119    122.1
1980.0     0.123    124.4
1981.0     0.127    126.6
1982.0     0.131    128.7
1983.0     0.136    130.6
1984.0     0.140    132.4
1985.0     0.144    134.0
1986.0     0.148    135.6
1987.0     0.152    137.1
1988.0     0.156    138.6
1989.0     0.160    139.9
1990.0     0.164    141.2
1991.0     0.168    142.5
1992.0     0.171    143.6
1993.0     0.175    144.8
1994.0     0.178    145.9
1995.0     0.181    146.9
1996.0     0.184    147.9
1997.0     0.186    148.9
1998.0     0.189    149.9
1999.0     0.191    150.9
2000.0     0.193    151.8
2001.0     0.195    152.7
2002.0     0.196    153.6
2003.0     0.197    154.4
2004.0     0.198    155.3
2005.0     0.199    156.2
2006.0     0.199    157.0
2007.0     0.199    157.9
2008.0     0.198    158.8
2009.0     0.198    159.6
2010.0     0.197    160.5
2011.0     0.195    161.4
2012.0     0.194    162.3
2013.0     0.192    163.2
2014.0     0.189    164.1
2015.0     0.186    165.1
2016.0     0.183    166.1
2017.0     0.180    167.1
2018.0     0.176    168.2
2019.0     0.172    169.3
2020.0     0.168    170.5
2021.0     0.163    171.7
2022.0     0.158    173.1
2023.0     0.152    174.5
2024.0     0.147    176.0
2025.0     0.141    177.6
2026.0     0.135    179.4
2027.0     0.129    181.4
2028.0     0.122    183.5
2029.0     0.116    185.9
2030.0     0.109    188.6
2031.0     0.103    191.6
2032.0     0.097    195.0
2033.0     0.090    198.9
2034.0     0.084    203.4
2035.0     0.079    208.5
2036.0     0.074    214.4
2037.0     0.069    221.1
2038.0     0.066    228.5
2039.0     0.063    236.7
2040.0     0.062    245.3
2041.0     0.063    254.0
2042.0     0.064    262.5
2043.0     0.067    270.5
2044.0     0.070    277.7
2045.0     0.075    284.2
2046.0     0.080    289.8
2047.0     0.086    294.8
2048.0     0.092    299.0
2049.0     0.099    302.8
2050.0     0.105    306.0
2051.0     0.112    308.9
2052.0     0.119    311.5
2053.0     0.126    313.7
2054.0     0.133    315.8
2055.0     0.139    317.6
2056.0     0.146    319.3
2057.0     0.153    320.8
2058.0     0.159    322.2
2059.0     0.165    323.5
2060.0     0.171    324.7
2061.0     0.177    325.8
2062.0     0.183    326.8
2063.0     0.189    327.8
2064.0     0.194    328.7
2065.0     0.199    329.6
2066.0     0.204    330.5
2067.0     0.209    331.2
2068.0     0.214    332.0
2069.0     0.218    332.7
2070.0     0.222    333.4
2071.0     0.226    334.1
2072.0     0.230    334.8
2073.0     0.233    335.4
2074.0     0.237    336.0
2075.0     0.240    336.6
2076.0     0.242    337.2
2077.0     0.245    337.8
2078.0     0.247    338.3
2079.0     0.250    338.9
2080.0     0.252    339.4
2081.0     0.253    340.0
2082.0     0.255    340.5
2083.0     0.256    341.0
2084.0     0.257    341.5
2085.0     0.258    342.0
2086.0     0.259    342.5
2087.0     0.259    343.0
2088.0     0.260    343.5
2089.0     0.260    344.1
2090.0     0.260    344.6
2091.0     0.260    345.1
2092.0     0.259    345.6
2093.0     0.259    346.1
2094.0     0.258    346.6
2095.0     0.257    347.1
2096.0     0.256    347.6
2097.0     0.254    348.1
2098.0     0.253    348.7
2099.0     0.251    349.2
2100.0     0.249    349.7
2101.0     0.247    350.3
2102.0     0.245    350.9
2103.0     0.243    351.4
2104.0     0.240    352.0
2105.0     0.238    352.6
2106.0     0.235    353.2
2107.0     0.232    353.8
2108.0     0.229    354.5
2109.0     0.226    355.1
2110.0     0.223    355.8
2111.0     0.219    356.5
2112.0     0.216    357.2
2113.0     0.212    358.0
2114.0     0.209    358.7






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