Double Star Calculator - Orbit

Orbital Elements for B1663
WDS: B1663 WDS ID/Discoverer
P: 295.000 Orbital period (years)
a: 1.912 Semi-major axis (arcseconds)
i: 103.3 Inclination (degrees)
Ω: 125.5 Longitude of ascending node (degrees)
T: 1808.150 Epoch of periastron passage (year)
e: 0.4 Eccentricity
ω: 259.1 Longitude of periastron (degrees)
Start-Year: 1877.5 Year
End-Year: 2172.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for B1663
Position: 094846.74-523656.5 Epoch-2000 right ascension and declination
WDS-ID: 09488-5237 WDS designation
Discoverer Code: B1663 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 85228 HD catalog number
Hipparcos number: 48133 Hipparcos catalog number
V1: 8.10 Magnitude of the primary
V2: 11.75 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2018b Reference

Double Star Orbit for B1663



WDS 6th Orbit including measures of B1663

-- 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 B1663
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.341   323.79
--------------------------
1877.50    1.910   118.79
1878.50    1.908   118.54
1879.50    1.905   118.28
1880.50    1.902   118.02
1881.50    1.898   117.76
1882.50    1.894   117.49
1883.50    1.889   117.23
1884.50    1.884   116.97
1885.50    1.878   116.70
1886.50    1.872   116.43
1887.50    1.865   116.16
1888.50    1.858   115.89
1889.50    1.850   115.62
1890.50    1.842   115.34
1891.50    1.833   115.07
1892.50    1.824   114.78
1893.50    1.815   114.50
1894.50    1.805   114.21
1895.50    1.794   113.92
1896.50    1.784   113.63
1897.50    1.773   113.33
1898.50    1.761   113.03
1899.50    1.750   112.72
1900.50    1.737   112.41
1901.50    1.725   112.10
1902.50    1.712   111.78
1903.50    1.699   111.46
1904.50    1.685   111.13
1905.50    1.672   110.80
1906.50    1.658   110.46
1907.50    1.643   110.11
1908.50    1.629   109.76
1909.50    1.614   109.40
1910.50    1.599   109.04
1911.50    1.583   108.67
1912.50    1.567   108.29
1913.50    1.551   107.90
1914.50    1.535   107.51
1915.50    1.519   107.10
1916.50    1.502   106.69
1917.50    1.485   106.27
1918.50    1.468   105.84
1919.50    1.451   105.40
1920.50    1.434   104.94
1921.50    1.416   104.48
1922.50    1.398   104.00
1923.50    1.380   103.52
1924.50    1.362   103.02
1925.50    1.344   102.50
1926.50    1.326   101.98
1927.50    1.307   101.43
1928.50    1.289   100.87
1929.50    1.270   100.30
1930.50    1.251    99.71
1931.50    1.232    99.10
1932.50    1.213    98.47
1933.50    1.194    97.82
1934.50    1.175    97.15
1935.50    1.156    96.46
1936.50    1.137    95.74
1937.50    1.118    95.00
1938.50    1.099    94.23
1939.50    1.080    93.44
1940.50    1.061    92.62
1941.50    1.042    91.77
1942.50    1.023    90.89
1943.50    1.004    89.97
1944.50    0.985    89.02
1945.50    0.966    88.03
1946.50    0.948    87.00
1947.50    0.929    85.93
1948.50    0.911    84.82
1949.50    0.893    83.67
1950.50    0.875    82.46
1951.50    0.858    81.21
1952.50    0.841    79.91
1953.50    0.824    78.55
1954.50    0.807    77.13
1955.50    0.791    75.66
1956.50    0.775    74.12
1957.50    0.760    72.53
1958.50    0.745    70.87
1959.50    0.731    69.14
1960.50    0.717    67.34
1961.50    0.704    65.48
1962.50    0.691    63.55
1963.50    0.680    61.54
1964.50    0.669    59.47
1965.50    0.658    57.34
1966.50    0.649    55.14
1967.50    0.641    52.87
1968.50    0.633    50.55
1969.50    0.626    48.18
1970.50    0.621    45.76
1971.50    0.616    43.30
1972.50    0.612    40.81
1973.50    0.610    38.29
1974.50    0.609    35.75
1975.50    0.608    33.21
1976.50    0.609    30.67
1977.50    0.611    28.14
1978.50    0.614    25.63
1979.50    0.618    23.15
1980.50    0.623    20.70
1981.50    0.629    18.30
1982.50    0.636    15.95
1983.50    0.644    13.65
1984.50    0.653    11.41
1985.50    0.662     9.23
1986.50    0.673     7.12
1987.50    0.684     5.07
1988.50    0.696     3.10
1989.50    0.709     1.19
1990.50    0.722   359.35
1991.50    0.736   357.58
1992.50    0.750   355.87
1993.50    0.765   354.23
1994.50    0.780   352.66
1995.50    0.796   351.14
1996.50    0.812   349.69
1997.50    0.829   348.29
1998.50    0.845   346.95
1999.50    0.862   345.66
2000.50    0.880   344.42
2001.50    0.897   343.22
2002.50    0.915   342.08
2003.50    0.933   340.98
2004.50    0.951   339.92
2005.50    0.969   338.89
2006.50    0.987   337.91
2007.50    1.006   336.96
2008.50    1.024   336.05
2009.50    1.042   335.17
2010.50    1.061   334.32
2011.50    1.079   333.50
2012.50    1.097   332.70
2013.50    1.115   331.93
2014.50    1.134   331.19
2015.50    1.152   330.47
2016.50    1.170   329.77
2017.50    1.188   329.09
2018.50    1.205   328.44
2019.50    1.223   327.80
2020.50    1.240   327.18
2021.50    1.258   326.57
2022.50    1.275   325.99
2023.50    1.292   325.42
2024.50    1.308   324.86
2025.50    1.325   324.32
2026.50    1.341   323.79
2027.50    1.356   323.27
2028.50    1.372   322.76
2029.50    1.387   322.27
2030.50    1.402   321.79
2031.50    1.417   321.31
2032.50    1.431   320.85
2033.50    1.445   320.39
2034.50    1.458   319.95
2035.50    1.472   319.51
2036.50    1.484   319.08
2037.50    1.496   318.66
2038.50    1.508   318.24
2039.50    1.520   317.83
2040.50    1.530   317.42
2041.50    1.541   317.03
2042.50    1.551   316.63
2043.50    1.560   316.24
2044.50    1.569   315.86
2045.50    1.577   315.48
2046.50    1.584   315.10
2047.50    1.591   314.73
2048.50    1.598   314.36
2049.50    1.603   313.99
2050.50    1.608   313.63
2051.50    1.612   313.26
2052.50    1.616   312.90
2053.50    1.619   312.54
2054.50    1.621   312.19
2055.50    1.622   311.83
2056.50    1.622   311.47
2057.50    1.621   311.11
2058.50    1.620   310.75
2059.50    1.618   310.40
2060.50    1.614   310.04
2061.50    1.610   309.67
2062.50    1.605   309.31
2063.50    1.599   308.94
2064.50    1.591   308.57
2065.50    1.583   308.20
2066.50    1.573   307.82
2067.50    1.562   307.44
2068.50    1.550   307.05
2069.50    1.537   306.66
2070.50    1.523   306.25
2071.50    1.507   305.84
2072.50    1.490   305.43
2073.50    1.472   305.00
2074.50    1.452   304.56
2075.50    1.431   304.10
2076.50    1.408   303.64
2077.50    1.384   303.16
2078.50    1.359   302.65
2079.50    1.332   302.14
2080.50    1.303   301.59
2081.50    1.273   301.03
2082.50    1.241   300.43
2083.50    1.208   299.80
2084.50    1.174   299.14
2085.50    1.137   298.44
2086.50    1.099   297.68
2087.50    1.060   296.88
2088.50    1.019   296.01
2089.50    0.977   295.06
2090.50    0.934   294.03
2091.50    0.889   292.90
2092.50    0.843   291.64
2093.50    0.796   290.24
2094.50    0.747   288.66
2095.50    0.699   286.86
2096.50    0.649   284.78
2097.50    0.599   282.37
2098.50    0.550   279.51
2099.50    0.500   276.09
2100.50    0.452   271.93
2101.50    0.406   266.80
2102.50    0.363   260.42
2103.50    0.325   252.44
2104.50    0.295   242.58
2105.50    0.274   230.84
2106.50    0.265   217.78
2107.50    0.271   204.57
2108.50    0.289   192.45
2109.50    0.318   182.14
2110.50    0.354   173.76
2111.50    0.396   167.04
2112.50    0.442   161.66
2113.50    0.490   157.31
2114.50    0.539   153.75
2115.50    0.589   150.78
2116.50    0.640   148.29
2117.50    0.690   146.16
2118.50    0.740   144.31
2119.50    0.789   142.70
2120.50    0.838   141.28
2121.50    0.886   140.02
2122.50    0.933   138.88
2123.50    0.979   137.85
2124.50    1.024   136.91
2125.50    1.068   136.05
2126.50    1.111   135.26
2127.50    1.153   134.53
2128.50    1.193   133.84
2129.50    1.232   133.20
2130.50    1.270   132.60
2131.50    1.307   132.04
2132.50    1.342   131.50
2133.50    1.376   130.99
2134.50    1.409   130.51
2135.50    1.441   130.04
2136.50    1.472   129.60
2137.50    1.501   129.17
2138.50    1.529   128.76
2139.50    1.556   128.37
2140.50    1.582   127.99
2141.50    1.607   127.62
2142.50    1.630   127.26
2143.50    1.653   126.91
2144.50    1.674   126.57
2145.50    1.695   126.24
2146.50    1.714   125.91
2147.50    1.732   125.60
2148.50    1.749   125.29
2149.50    1.766   124.98
2150.50    1.781   124.68
2151.50    1.795   124.39
2152.50    1.809   124.10
2153.50    1.821   123.81
2154.50    1.833   123.53
2155.50    1.844   123.25
2156.50    1.854   122.98
2157.50    1.863   122.71
2158.50    1.871   122.44
2159.50    1.878   122.17
2160.50    1.885   121.90
2161.50    1.891   121.64
2162.50    1.896   121.38
2163.50    1.901   121.11
2164.50    1.904   120.85
2165.50    1.907   120.60
2166.50    1.910   120.34
2167.50    1.911   120.08
2168.50    1.912   119.82
2169.50    1.913   119.57
2170.50    1.912   119.31
2171.50    1.912   119.05






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 16:21:12



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