Double Star Calculator - Orbit

Orbital Elements for A3009
WDS: A3009 WDS ID/Discoverer
P: 254.760 Orbital period (years)
a: 1.18105 Semi-major axis (arcseconds)
i: 34.858 Inclination (degrees)
Ω: 64.14 Longitude of ascending node (degrees)
T: 1948.118 Epoch of periastron passage (year)
e: 0.21428 Eccentricity
ω: 96.215 Longitude of periastron (degrees)
Start-Year: 1897.6199 Year
End-Year: 2152.3801 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A3009
Position: 050555.22-135449.5 Epoch-2000 right ascension and declination
WDS-ID: 05059-1355 WDS designation
Discoverer Code: A3009 Discover designation and components
ADS number: 3686 Aitken Double Star catalog
HD number: 32915 HD catalog number
Hipparcos number: 23716 Hipparcos catalog number
V1: 8.21 Magnitude of the primary
V2: 9.74 Magnitude of the secondary
Equinox: Equinox
Date: 2014 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for A3009



WDS 6th Orbit including measures of A3009

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of A3009
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.190   285.98
--------------------------
1897.62    1.153    64.31
1898.62    1.146    65.51
1899.62    1.139    66.72
1900.62    1.132    67.94
1901.62    1.125    69.18
1902.62    1.117    70.44
1903.62    1.110    71.71
1904.62    1.102    73.01
1905.62    1.093    74.32
1906.62    1.085    75.65
1907.62    1.076    77.00
1908.62    1.067    78.38
1909.62    1.058    79.78
1910.62    1.049    81.20
1911.62    1.039    82.65
1912.62    1.029    84.13
1913.62    1.019    85.64
1914.62    1.009    87.17
1915.62    0.999    88.74
1916.62    0.988    90.34
1917.62    0.978    91.97
1918.62    0.967    93.64
1919.62    0.957    95.35
1920.62    0.946    97.10
1921.62    0.935    98.88
1922.62    0.925   100.71
1923.62    0.914   102.58
1924.62    0.903   104.49
1925.62    0.893   106.45
1926.62    0.882   108.46
1927.62    0.872   110.51
1928.62    0.862   112.61
1929.62    0.853   114.76
1930.62    0.843   116.96
1931.62    0.834   119.20
1932.62    0.825   121.50
1933.62    0.817   123.84
1934.62    0.809   126.23
1935.62    0.802   128.67
1936.62    0.795   131.15
1937.62    0.788   133.67
1938.62    0.783   136.23
1939.62    0.778   138.83
1940.62    0.773   141.45
1941.62    0.770   144.11
1942.62    0.767   146.79
1943.62    0.764   149.48
1944.62    0.763   152.19
1945.62    0.762   154.91
1946.62    0.762   157.63
1947.62    0.763   160.35
1948.62    0.765   163.06
1949.62    0.767   165.75
1950.62    0.770   168.43
1951.62    0.774   171.08
1952.62    0.778   173.71
1953.62    0.783   176.30
1954.62    0.789   178.86
1955.62    0.795   181.38
1956.62    0.802   183.86
1957.62    0.809   186.30
1958.62    0.817   188.69
1959.62    0.825   191.04
1960.62    0.833   193.34
1961.62    0.842   195.59
1962.62    0.851   197.79
1963.62    0.861   199.95
1964.62    0.870   202.06
1965.62    0.880   204.12
1966.62    0.890   206.14
1967.62    0.900   208.11
1968.62    0.910   210.04
1969.62    0.920   211.93
1970.62    0.930   213.77
1971.62    0.940   215.58
1972.62    0.950   217.35
1973.62    0.960   219.08
1974.62    0.970   220.78
1975.62    0.980   222.44
1976.62    0.989   224.07
1977.62    0.999   225.67
1978.62    1.008   227.24
1979.62    1.017   228.78
1980.62    1.026   230.29
1981.62    1.034   231.78
1982.62    1.043   233.25
1983.62    1.051   234.69
1984.62    1.059   236.11
1985.62    1.067   237.50
1986.62    1.074   238.88
1987.62    1.081   240.24
1988.62    1.088   241.58
1989.62    1.095   242.91
1990.62    1.102   244.22
1991.62    1.108   245.51
1992.62    1.114   246.79
1993.62    1.120   248.06
1994.62    1.125   249.31
1995.62    1.130   250.56
1996.62    1.135   251.79
1997.62    1.140   253.01
1998.62    1.144   254.22
1999.62    1.148   255.42
2000.62    1.152   256.62
2001.62    1.156   257.80
2002.62    1.160   258.98
2003.62    1.163   260.15
2004.62    1.166   261.32
2005.62    1.169   262.48
2006.62    1.171   263.63
2007.62    1.174   264.78
2008.62    1.176   265.92
2009.62    1.178   267.06
2010.62    1.180   268.20
2011.62    1.182   269.33
2012.62    1.183   270.46
2013.62    1.185   271.59
2014.62    1.186   272.72
2015.62    1.187   273.84
2016.62    1.188   274.96
2017.62    1.189   276.08
2018.62    1.189   277.20
2019.62    1.190   278.31
2020.62    1.190   279.43
2021.62    1.190   280.54
2022.62    1.190   281.66
2023.62    1.191   282.77
2024.62    1.190   283.89
2025.62    1.190   285.00
2026.62    1.190   286.12
2027.62    1.190   287.23
2028.62    1.189   288.35
2029.62    1.189   289.47
2030.62    1.189   290.58
2031.62    1.188   291.70
2032.62    1.187   292.82
2033.62    1.187   293.94
2034.62    1.186   295.07
2035.62    1.186   296.19
2036.62    1.185   297.31
2037.62    1.184   298.44
2038.62    1.183   299.57
2039.62    1.183   300.70
2040.62    1.182   301.83
2041.62    1.181   302.96
2042.62    1.180   304.09
2043.62    1.180   305.23
2044.62    1.179   306.36
2045.62    1.178   307.50
2046.62    1.178   308.64
2047.62    1.177   309.78
2048.62    1.176   310.92
2049.62    1.176   312.06
2050.62    1.175   313.20
2051.62    1.175   314.35
2052.62    1.174   315.49
2053.62    1.174   316.64
2054.62    1.174   317.79
2055.62    1.173   318.93
2056.62    1.173   320.08
2057.62    1.173   321.23
2058.62    1.173   322.38
2059.62    1.173   323.53
2060.62    1.173   324.68
2061.62    1.173   325.83
2062.62    1.173   326.98
2063.62    1.173   328.12
2064.62    1.173   329.27
2065.62    1.173   330.42
2066.62    1.174   331.57
2067.62    1.174   332.71
2068.62    1.175   333.86
2069.62    1.175   335.00
2070.62    1.176   336.15
2071.62    1.177   337.29
2072.62    1.178   338.43
2073.62    1.178   339.57
2074.62    1.179   340.70
2075.62    1.180   341.84
2076.62    1.181   342.97
2077.62    1.182   344.10
2078.62    1.184   345.23
2079.62    1.185   346.36
2080.62    1.186   347.48
2081.62    1.187   348.60
2082.62    1.189   349.72
2083.62    1.190   350.84
2084.62    1.192   351.95
2085.62    1.193   353.07
2086.62    1.195   354.17
2087.62    1.196   355.28
2088.62    1.198   356.38
2089.62    1.199   357.48
2090.62    1.201   358.58
2091.62    1.203   359.67
2092.62    1.204     0.76
2093.62    1.206     1.85
2094.62    1.208     2.93
2095.62    1.210     4.02
2096.62    1.211     5.09
2097.62    1.213     6.17
2098.62    1.215     7.24
2099.62    1.216     8.31
2100.62    1.218     9.38
2101.62    1.220    10.44
2102.62    1.221    11.50
2103.62    1.223    12.56
2104.62    1.224    13.61
2105.62    1.226    14.67
2106.62    1.227    15.72
2107.62    1.229    16.76
2108.62    1.230    17.81
2109.62    1.232    18.85
2110.62    1.233    19.89
2111.62    1.234    20.93
2112.62    1.235    21.97
2113.62    1.236    23.00
2114.62    1.237    24.04
2115.62    1.238    25.07
2116.62    1.238    26.10
2117.62    1.239    27.13
2118.62    1.239    28.16
2119.62    1.240    29.19
2120.62    1.240    30.21
2121.62    1.240    31.24
2122.62    1.240    32.27
2123.62    1.240    33.30
2124.62    1.240    34.32
2125.62    1.239    35.35
2126.62    1.238    36.38
2127.62    1.238    37.41
2128.62    1.237    38.44
2129.62    1.236    39.48
2130.62    1.234    40.51
2131.62    1.233    41.55
2132.62    1.231    42.59
2133.62    1.229    43.64
2134.62    1.227    44.68
2135.62    1.225    45.74
2136.62    1.222    46.79
2137.62    1.220    47.85
2138.62    1.217    48.91
2139.62    1.214    49.98
2140.62    1.210    51.06
2141.62    1.207    52.14
2142.62    1.203    53.23
2143.62    1.199    54.33
2144.62    1.195    55.43
2145.62    1.190    56.54
2146.62    1.185    57.66
2147.62    1.180    58.79
2148.62    1.175    59.93
2149.62    1.169    61.08
2150.62    1.164    62.24
2151.62    1.157    63.41






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:33:37



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